03.016
2015-12-09
PLS8-X_PLS8-V_HD_v03.016
Confidential / Released
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3.4Revised description of power save mode and removed previous sections 3.4.1, 3.4.2,
3.9Shortened section, because PLS8-X and PLS8-V are data on ly modules, an d the mod-
3.13.1Revised section to mention VCC µC in PWR_IND circuit.
3.13.3Revised description of remote host wakeup functionality.
3.13.6New section 700MHz Antenna Switch Control.
5.2Revised ratings for VGNSS in Figure 24.
6.2.1Revised temperature allocation model given in Table 18.
Added information on dead reckoning syn ch ro niz at ion line.
Updated NAPRD version in Table 2.
and 3.4.2.
ule’s digital audio interface therefore on ly sup por ts local tones.
Updated other sections accordingly.
PLS8-X/PLS8-V Hardware Interface Description" Version 03.016
6.5Host wakeup functionality added for GPIOs in Table 22.
7.2.3.1Revised ramp down rate given in Table 29.
9.2Revised maximum antenna gain limits - added Table 30.
Preceding document: "Cinterion
New document: "Cinterion
ChapterWhat is new
Throughout
document
2.3Revised Figure 2 to differentiate between PLS8-X and PLS8-V.
3.5New section RTC Backup.
6.5Added characteristics for VDDLP line (RTC backup) in Table 22.
6.6Revised current consumption ratings for IDLE mode in Table 24.
7.2.3.1Revised description for average ramp up and ramp down rates in Table 29.
Added real time clock (RTC) information.
Added VDDLP line information.
Added current consumption rating for GPRS data transfer (4Tx/1Rx @ total mismatch).
Revised average GSM/UMTS/LTE current consumption ratings while GNSS is ON.
The document1 describes the hardware of the two Cinterion® modules variants PLS8-V and
PLS8-X, designed to connect to a cellular device application and the air interface. It helps you
quickly retrieve interface specifications, electrical and mechanical details and information on
the requirements to be considered for integrating further components.
The product variants differ in their radio access technology support:
•PLS8-X is available for operation in LTE, UMTS and GSM radio networks - for supported
frequency bands please refer to Section 2.1. Connected to this, the module has two separate firmware images on board that can be activated based on the used (U)SIM card.
Employing the module’s two (U)SIM interfaces, it is thus possible to switch between firmware images on the fly - making PLS8-X a multi carrier/provider module.
•PLS8-V in contrast is available for operation in LTE radio networks only - for supported fre-
quency bands please refer to Section 2.1. It has only a single firmware image on board that
can be activated by (U)SIM card - making it a single carrier/provider module.
If not otherwise mentioned, this document applies to both product variants. Where necessary
a note is made to differentiate between the variants.
1.1Supported Products
This document applies to the following Gemalto M2M products:
•Cinterion
•Cinterion
®
PLS8-V module
®
PLS8-X module
1.2Related Documents
[1]AT Command Set for your Gemalto M2M product
[2]Release Notes for your Gemalto M2M product
[3]Application Note 48: SMT Module Integration
[4]Universal Serial Bus Specification Revision 2.0, April 27, 2000
1.3Terms and Abbreviations
AbbreviationDescription
ANSIAmerican National Standards Institute
ARPAntenna Reference Point
CEConformité Européene (European Conformity)
CSCoding Scheme
CSCircuit Switched
CSDCircuit Switched Data
DCSDigital Cellular System
1.
The document is effective only if listed in the appropriate Release Notes as part of the technical
documentation delivered with your Gemalto M2M product.
DLDownload
dnuDo not use
DRXDiscontinuous Reception
DSBDevelopment Support Board
DTXDiscontinuous Transmission
EDGEEnhanced Data rates for GSM Evolution
EGSMExtended GSM
EMCElectromagnetic Compatibility
ESDElectrostatic Discharge
ETSEuropean Telecommunication Standard
ETSIEuropean Telecommunications Standards Institute
FCCFederal Communications Commission (U.S.)
Page 10 of 105
FDDFrequency Division Duplex
GPRSGeneral Packet Radio Service
GSMGlobal Standard for Mobile Communications
HiZHigh Impedance
HSDPAHigh Speed Downlink Packet Access
I/OInput/Output
IMEIInternational Mobile Equipment Identity
ISOInternational Standards Organization
ITUInternational Telecommunications Union
kbpskbits per second
LCILow Current Indicator
LEDLight Emitting Diode
LGALand Grid Array
LTELong term evolution
MBBMoist ur e ba rr ier bag
MbpsMbits per second
MCSModulation and Coding Scheme
MIMOMultiple Input Multiple Output
MLCCMulti Layer Ceramic Capacitor
MOMobile Originated
MSMobile Station, also referred to as TE
MSLMoisture Sensitivity Level
MTMobile Terminated
ncNot connected
NTCNegative Temperature Coefficient
PCBPrinted Circuit Board
PCLPower Control Level
PCSPersonal Communication System, also referred to as GSM 1900
PDPull Down resistor
PDUProtocol Data Unit
PSPacket Switched
PSKPhase Shift Keying
PUPull Up resistor
QAMQuadrature Amplitude Modulation
R&TTERadio and Telecommunication Terminal Equipment
RFRadio Frequency
Page 11 of 105
rfuReserved for future use
ROPRRadio Output Power Reduction
RTCReal Time Clock
RxReceive Direction
SARSpecific Absorption Rate
SELVSafety Extra Low Voltage
SIMSubscriber Identification Module
SMDSurface Mount Device
SMSShort Message Service
SMTSurface Mount Technology
SRAMStatic Random Access Memory
SRBSignalling Radio Bearer
TETerminal Equipment
TPCTransmit Power Control
TSTechnical Specification
TxTransmit Direction
ULUpload
UMTSUniversal Mobile Telecommunications System
URCUnsolicited Result Code
USBUniversal Serial Bus
UICCUSIM Integrated Circuit Card
USIMUMTS Subscriber Identification Module
WB-AMRWideband Adaptive Multirate
WCDMAWideband Code Division Multiple Access
PLS8-X/PLS8-V has been designed to comply with the directives and standards listed below.
It is the responsibility of the application manufacturer to ensure compliance of the final product
with all provisions of the applicable directives and standards as well as with the technical specifications provided in the "PLS8-X/PLS8-V Hardware Interface Description".
Table 1: Directives
1
2002/95/EC (RoHS 1)
2011/65/EC (RoHS 2)
Table 2: Standards of North American type approval
CFR Title 47Code of Federal Regulations, Part 22, Part 24 and Part 27; US Equipmen t
OET Bulletin 65
(Edition 97-01)
UL 60 950-1Product Safety Certification (Safety requirements)
NAPRD.03 V5.23Overview of PCS Type certification review board Mobile Equipment Type
RSS132, RSS133,
RSS139
Directive of the European Parliament and of the Council of
27 January 2003 (and revised on 8 June 2011) on the
restriction of the use of certain hazardous substances in
electrical and electronic equipment (RoHS)
Authorization FCC
Evaluating Compliance with FCC Guidelines for Human Exposure to Radio-
frequency Electromagnetic Fields
Certification and IMEI control
PCS Type Certification Review board (PTCRB)
Canadian Standard
Table 3: Requirements of quality
IEC 60068Environmental testing
DIN EN 60529IP codes
1.
Manufacturers of applications which can be used in the US shall en sure that their applications have a
PTCRB approval. For this purpose they can refer to the PTCRB approval of the respective module.
Table 4: Standards of the Ministry of Information Industry of the People’s Republic of China
SJ/T 11363-2006 “Requirements for Concentration Limits for Certain Hazardous Substances
in Electronic Information Products” (2006-06).
SJ/T 11364-2006“Marking for Control of Pollution Caused by Electronic
Information Products” (2006-06).
According to the “Chinese Administration on th e Control of
Pollution caused by Electronic Information Products”
(ACPEIP) the EPUP, i.e., Environmental Protection Use
Period, of this product is 20 years as per the symbol
shown here, unless otherwise marked. The EPUP is valid only as long as
the product is operated within the operating limits described in the Hardware
Interface Description.
Please see Table 5 for an overview of toxic or hazardous substances or elements that might be contained in product parts in concentrations above the
limits defined by SJ/T 11363-2006.
Page 13 of 105
Table 5: Toxic or hazardous substances or elements with defined concentration limits
1.4.2SAR requirements specific to portable mobiles
Mobile phones, PDAs or other portable transmitters and receivers incorporating a GSM module
must be in accordance with the guidelines for human exposure to radio frequency energy. This
requires the Specific Absorption Rate (SAR) of portable PLS8-X/ PLS8-V based applications to
be evaluated and approved for compliance with national and/or international regulations.
Since the SAR value varies significantly with the individual product design manufacturers are
advised to submit their product for approval if designed for portable use. For US markets the
relevant directives are mentioned below. It is the responsibility of the manufacturer of the final
product to verify whether or not further standards, recommendations or directives are in force
outside these areas.
Products intended for sale on US markets
ES 59005/ANSI C95.1 Considerations for evaluation of human exposure to electromagnetic
fields (EMFs) from mobile telecommunication equipment (MTE) in the
frequency range 30MHz - 6GHz
IMPORTANT:
Manufacturers of portable applications based on PLS8-X/PLS8-V modules are required to
have their final product certified and apply for their own FCC Grant and Industry Canada Certificate related to the specific portable mobile.
The power supply connected to the PLS8-X/PLS8-V module shall be in compliance with the
SELV requirements defined in EN 60950-1.
1.4.4Safety Precautions
The following safety precautions must be observed during all phases of the operation, usage,
service or repair of any cellular terminal or mobile incorporating PLS8-X/PLS8-V. Manufacturers of the cellular terminal are advised to convey the following safety information to users and
operating personnel and to incorporate these guidelines into all manuals supplied with the
product. Failure to comply with these precautions violates safety standards of design, manufacture and intended use of the product. Gemalto M2M assumes no liability for customer’s failure to comply with these precautions.
When in a hospital or other health care facility, observe the restrictions on the use of
mobiles. Switch the cellular terminal or mobile off, if instructed to do so by the guidelines posted in sensitive areas. Medical equipment may be sensitive to RF energy.
The operation of cardiac pacemakers, other implanted med ical equipment and hearing
aids can be affected by interference from cellular terminals or mobiles placed close to
the device. If in doubt about potential danger, contact the physician or the manufacturer of the device to verify that the equipment is properly shielded. Pacemaker
patients are advised to keep their hand-held mobile away from the pacemaker, while
it is on.
Switch off the cellular terminal or mobile before boarding an aircraft. Make su re it cannot be switched on inadvertently. The operation of wirele ss appliances in an aircraft is
forbidden to prevent interference with communications systems. Failure to observe
these instructions may lead to the suspension or denial of cellular services to the
offender, legal action, or both.
Do not operate the cellular terminal or mobile in the presence of flammable gases or
fumes. Switch off the cellular terminal when you are near petrol stations, fuel d epots,
chemical plants or where blasting operations are in progress. Oper ation of any electrical equipment in potentially explosive atmospheres can constitute a safety hazard.
Your cellular terminal or mobile receives and transmits radio frequency energy while
switched on. Remember that interference can occur if it is used close to TV sets,
radios, computers or inadequately shielded equipment. Follow any special re gulations
and always switch off the cellular terminal or mobile wherever forbidden, or when you
suspect that it may cause interference or danger.
IMPORTANT!
Cellular terminals or mobiles operate using radio signals an d cellular networks.
Because of this, connection cannot be guaranteed at all times under all conditions.
Therefore, you should never rely solely upon any wireless device for essential communications, for example emergency calls.
Remember, in order to make or receive calls, the cellular terminal or mobile must be
switched on and in a service area with adequate cellular signal strength.
Some networks do not allow for emergency calls if certain network services or phone
features are in use (e.g. lock functions, fixed dialing etc.). You may need to deactivate
those features before you can make an emergency call.
Some networks require that a valid SIM card be properly inserted in the cellu lar terminal or mobile.
Class 4 (+33dBm ±2dB) for EGSM850
Class 4 (+33dBm ±2dB) for EGSM900
Class 1 (+30dBm ±2dB) for GSM1800
Class 1 (+30dBm ±2dB) for GSM1900
Class E2 (+27dBm ± 3dB) for GSM 850 8-PSK
Class E2 (+27dBm ± 3dB) for GSM 900 8-PSK
Class E2 (+26dBm +3 /-4dB) for GSM 1800 8-PSK
Class E2 (+26dBm +3 /-4dB) for GSM 1900 8-PSK
Class 3 (+24dBm +1/-3dB) for UMTS 1900,WCDMA FDD BdII
Class 3 (+24dBm +1/-3dB) for UMTS AWS, WCDMA FDD BdIV
Class 3 (+24dBm +1/-3dB) for UMTS 850, WCDMA FDD BdV
Class 3 (+23dBm +-2dB) for LTE 1900, LTE FDD Bd2
Class 3 (+23dBm +-2dB) for LTE AWS, LTE FDD Bd4
Class 3 (+23dBm +-2dB) for LTE 850, LTE FDD Bd5
Class 3 (+23dBm +-2dB) for LTE 700, LTE FDD Bd13
Class 3 (+23dBm +-2dB) for LTE 700, LTE FDD Bd17
V
Normal operation: -30°C to +85°C
Extended operation: -40°C to +95°C
Weight: approx. 4.5g
BATT+
< 4.2V
RoHSAll hardware components fully compliant with EU RoHS Directive
LTE features
3GPP Release 9UE CAT 3 supported
DL 100Mbps, UL 50Mbps
2x2 MIMO in DL direction
HSPA features
3GPP Release 8UE CAT. 14, 24
DC-HSPA+ – DL 42Mbps
HSUPA – UL 5.76Mbps
Compressed mode (CM) supported according to 3GPP TS25.212
USBUSB 2.0 High Speed (480Mbit/s) device interface
Serial interfaceASC0:
•8-wire modem interface with status and control lines, unbalanced,
asynchronous
•Adjustable baud rate of 115,200bps to 921,600bps
•Supports RTS0/CTS0 hardware flow control
UICC interface2 UICC interfaces (switchable)
Supported chip cards: UICC/SIM/USIM 3V, 1.8V
Audio1 digital interface (PCM or I
StatusSignal line to indicate network connectivity state
2
S)
Page 18 of 105
RING0Signal line to indicate incoming calls and other types of
Power on/off, Reset
Power on/offSwitch-on by hardware signal IGT
Switch-off by AT command (AT^SMSO) or IGT
Automatic switch-off in case of critical temperature or voltage conditions
ResetOrderly shutdown and reset by AT command
Emergency-offEmergency-off by hardware signal EMERG_OFF if IGT is not active
Special Features
AntennaSAIC (Single Antenna Interference Cancellation) / DARP (Downlink
Advanced Receiver Performance)
Rx Diversity (receiver type 3i - 64-QAM) / MIMO
GPIO10 I/O pins of the application interface programmable as GPIO.
GPIOs can be configured as low current indicator (LCI).
GPIO1 can be configured as dead reckoning synchronization signal.
GPIO2 can be configured as 700MHz antenna switch control signal.
GPIOs can be configured as remote host wakeup lines.
Programming is done via AT commands.
URCs
ADC inputsAnalog-to-Digital Converter with three unbalanced analog inputs.
Evaluation kit
Evaluation modulePLS8-X/PLS8-V module soldered onto a dedicated PCB tha t can be con-
nected to an adapter in order to be mounted onto the DSB75.
DSB75 DSB75 Development Support Board designed to test and type approve
Gemalto M2M modules and provide a sample configuration for application engineering. A special adapter is required to connect the PLS8-X/
PLS8-V evaluation module to the DSB75.
PLS8-X/PLS8-V is equipped with an SMT application interface (LGA pads) that connects to the
external application. The host interface incorporates several sub-interfaces described in the following sections:
•Operating modes - see Section 3.1
•Power supply - see Section 3.2
•RTC backup - see Section 3.5
•Serial interface USB - see Section 3.6
•Serial interface ASC0 - Section 3.7
•UICC/SIM/USIM interface - see Section 3.8
•Digital audio interface (PCM or I
•ADC interface - Section 3.11
•GPIO interface - Section 3.12
•Control and status lines: PWR_IND, STATUS, RING0, STATUS, LCI - see Section 3.13
The table below briefly summarizes the various operating modes referred to in the following
chapters.
Table 6: Overview of operating modes
ModeFunction
Normal
operation
Power
Down
Airplane
mode
GSM / GPRS /
UMTS / HSPA /
LTE SLEEP
GSM / GPRS /
UMTS / HSPA /
LTE IDLE
GPRS DATAGPRS data transfer in progress. Power consumption depends on net-
EGPRS DATAEGPRS data transfer in progress. Power consumption depends on net-
UMTS DATAUMTS data transfer in progress. Power consumption depends on net-
HSPA DATAHSPA data transfer in progress. Power consumption depends on net-
LTE DATALTE data transfer in progress. Power consumption depends on network
Normal shutdown after sending the AT^SMSO command. Only a voltage regulator is active
for powering the RTC. Software is not active. Interfaces are not accessible. Operating voltage (connected to BATT+) remains applied.
Airplane mode shuts down the radio part of the module , causes th e module to log off from
the GSM/GPRS network and disables all AT commands whose execution r equires a rad io
connection.
Airplane mode can be controlled by AT command (see [1]).
Power saving set automatically when no call is in progress and the USB
connection is detached and no active communication via ASC0. Also,
the GNSS active antenna mode has to be turned off or set to "auto".
Power saving disabled or an USB connection active , but no da ta tra nsfer in progress.
work settings (e.g. power control level), uplink / downlink data rates and
GPRS configuration (e.g. used multislot settings).
work settings (e.g. power control level), uplink / downlink data rates and
EGPRS configuration (e.g. used multislot settings).
work settings (e.g. TPC Pattern) and data transfer rate.
work settings (e.g. TPC Pattern) and data transfer rate.
settings (e.g. TPC Pattern) and data transfer rate.
PLS8-X/PLS8-V needs to be connected to a power supply at the SMT application interface - 4
lines BATT+, and GND. There are two separate voltage domains for BATT+:
•BATT+_RF with 2 lines for the RF power amplifier supply
•BATT+ with 2 lines for the general power management.
The main power supply from an external application has to be a single voltage source and has
to be expanded to two sub paths (star structure). Each voltage domain must be deco upled by
application with low ESR capacitors (
as close as possible to LGA pads. Figure 3 shows a sample circuit for decoupling capacitors
for BATT+.
> 47µF MLCC @ BATT+; > 4x47µF MLCC @ BATT+_RF)
Figure 3: Decoupling capacitor(s) for BATT+
In addition, the VDDLP pad may be connected to an external capacito r or a battery to backup
the RTC (see Section 3.5). Please note that for proper module startup the voltage at BATT+
should be higher than at VDDLP.
The power supply of PLS8-X/PLS8-V must be able to provide the peak current during the uplink
transmission.
All key functions for supplying power to the device are handled by the power managemen t IC.
It provides the following features:
•Stabilizes the supply voltages for the baseband using switching regulators and low drop linear voltage regulators.
•Switches the module's power voltages for the power-up and -down procedures.
•Delivers, across the VEXT line, a regulated voltage for an external application.
When designing the power supply for your application please pay specific attention to power
losses. Ensure that the input voltage V
board, not even in a transmit burst where current consumption can rise to typical peaks of 2A.
It should be noted that PLS8-X/PLS8-V switches off when exceeding these limits. Any voltage
drops that may occur in a transmit burst should not exceed 400mV to ensure the expected RF
performance in 2G networks.
never drops below 3.3V on the PLS8-X/PLS8-V
BATT+
The module switches off if the minimum battery voltage (V
Example:
VImin = 3.3V
Dmax = 0.4V
V
min = VImin + Dmax
BATT
V
min = 3.3V + 0.4V = 3.7V
BATT
Figure 4: Power supply limits during transmit burst
min) is reached.
BATT
3.2.2Monitoring Power Supply by AT Command
To monitor the supply voltage you can use the AT^SBV command which returns the averaged
value related to BATT+ and GND at the SMT application interface.
The module continuously measures the voltage at intervals depending on the operating mode
of the RF interface. The duration of measuring ranges from 0.5 seconds in DATA mode to 50
seconds when PLS8-X/PLS8-V is in Limited Service (deregistered). The displayed voltage (in
mV) is averaged over the last measuring period before the AT^SBV command was executed.
* USB interface may take up to 12s to reach its active state
VEXT
~36ms
ASC0
Initial stateIntermediate state
Page 25 of 105
3.3 Power-Up / Power-Down Scenarios
50
3.3Power-Up / Power-Down Scenarios
In general, be sure not to turn on PLS8-X/PLS8-V while it is beyond the safety limits of voltage
and temperature stated in Section 6.1. PLS8-X/PLS8-V immediately switches off after having
started and detected these inappropriate conditions. In extreme cases this can cause permanent damage to the module.
3.3.1Turn on PLS8-X/PLS8-V
When the PLS8-X/PLS8-V module is in Power Down mode, it can be started to Normal mode
by driving the IGT (ignition) line to ground. it is recommended to use an open drain/collector
driver to avoid current flowing into this signal line. Pulling this signal low triggers a power-on
sequence. To turn on PLS8-X/PLS8-V, IGT has to be kept active at least 100 milliseconds.
After turning on PLS8-X/PLS8-V, IGT should be set inactive to prevent the module from turning
on again after a shut down by AT command or EMERG_OFF. For details on signal states during startup see also Section 3.3.2.
Figure 5: Power-on with IGT
Note: After power up IGT should remain high. Also note that with a USB connection the USB
host may take up to 12 seconds to set up the virtual COM port connection.
After startup or mode change the following URCs are sent to every port able to receive AT commands indicating the module’s ready state:
•"^SYSSTART" indicates that the module has entered Normal mode.
•"^SYSSTART AIRPLANE MODE" indicates that the module has entered Airplane mode.
These URCs notify the external application that the first AT command can be sent to the module. If these URCs are not used to detect then the only way of checking the module’s ready
state is polling. To do so, try to send characters (e.g. “at”) until the module is responding.
Table 7 describes the various states each interface signal passes through after startup and dur-
ing operation.
Signals are in an initial state while the module is initializing. Once the startup initialization has
completed, i.e. when the software is running, all signals are in defined state. The state of several signals will change again once the respective interface is activated or configured by AT
command.
Table 7: Signal states
Signal namePower on reset
Duration appr. 60ms
CCINxPD and PU (24k)PU(24k)I, PU(24k)
CCRSTxNot driven (similar PD)Not driven (similar PD)O, L
CCIOxPD(10k)PD(10k)PD(10k)
CCCLKxNot driven (similar PD)Not driven (similar PD)O, L
CCVCCxOffOffOff
RXD0PDPUPU
TXD0PDPDPD
CTS0PDPDPD
RTS0PU and PDPDPD
DTR0PDPDPD
DCD0PDPU
DSR0PDPDPD
RING0PDO, HO, H
PCM_I2S_INPUPDPD
PCM_I2S_CLKPDPDPD
PCM_I2S_FSCPDPDPD
PCM_I2S_OUTPDPDPD
I2S_MCLKOUTPDPDPD
PWR_INDZO, LO, L
STATUSPDPDPD
EMERG_OFFPUI, PUI, PU
IGTI, PUI, PUI, PU
GPIO1...10
1.
2.
3.
4.
4
If CCINx = High level
If CCINx = Low level
No external pull down allowed during this phase.
Please note that during its startup phase the GPIO8 signal will be in an active low state for appr. 80ms.
PDPDPD
Startup phase
Duration appr. 4s
3
State after first
firmware initialization
After 4-5s
1
2
O, H
PU(10k)
Clock
1.8V/3V
1
2
1
2
1
2
PD
L = Low level
H = High level
I = Input
O = Output
1.
Internal pulls are implemented using JFETs; strengths vary between devices, possible range: 55k…390k
PD = Pull down resistor with appr. 100k
PD(…k) = Pull down resistor with ...k
PU = Pull up resistor with appr. 100k
PU(…k) = Pull up resistor with ...k, Z = High impedance
The best and safest approach to powering down PLS8-X/PLS8-V is to issue the AT^SMSO
command. This procedure lets PLS8-X/PLS8-V log off from the network and allows the software to enter into a secure state and save data before disconnecting the power supply. The
mode is referred to as Power Down mode. In this mode, only the RTC stays active. After sending AT^SMSO do not enter any other AT commands. While powering down the module may
still send some URCs. To verify that the module turned off it is possible to monitor the
PWR_IND signal. A high state of the PWR_IND signal line indicates that the module is being
switched off as shown in Figure 6.
Be sure not to disconnect the supply voltage V
before the module’s switch off procedure
BATT+
has been completed and the VEXT signal has gone low. Otherwise you run the risk of losing
data. Signal states during switch off are shown in Figure 6.
While PLS8-X/PLS8-V is in Power Down mode the application interface is switched off and
must not be fed from any other source. Therefore, your application must be designed to avoid
any current flow into any digital signal lines of the application interface. No special care is required for the USB interface which is protected from reverse current.
Note 1: Depending on capacitance load from host application
Note 2: The power supply voltage (BATT+) may be disconnected or switched off only after
the VEXT went low.
Note 3: After module shutdown by means of AT command is completed, please allow for a
PLS8-X_PLS8-V_HD_v03.0162015-12-09
time period of at least 1 second before restarting the module.
The IGT line can be configured for use in two different switching modes: You can set the IGT
line to switch on the module only, or to switch it on and off. The switching mode is determined
by the parameter "MEShutdown/OnIgnition" of the AT^SCFG command. This approach is useful for external application manufacturers who wish to have an ON/OFF switch installed on the
host device.
By factory default, the ON/OFF switch mode of IGT is disabled:
at^scfg=meshutdown/onignition
^SCFG: "MEShutdown/OnIgnition","off"
OK
# Query the current status of IGT.
# IGT can be used only to switch on PLS8-X/
PLS8-V.
IGT works as described in Section 3.3.1.
To configure IGT for use as ON/OFF switch:
at^scfg=meshutdown/onignition
^SCFG: "MEShutdown/OnIgnition","on"
OK
# Enable the ON/OFF switch mode of IGT.
# IGT can be used to switch on and off PLS8-X/
PLS8-V.
Take great care before changing the switching mode of the IGT line. To ensure that the IGT
line works properly as ON/OFF switch it is of vital importance that the following conditions are
met:
Switch-on condition: If the PLS8-X/PLS8-V is off, the IGT line must be asserted for at least 100
milliseconds before being released.
Switch-off condition: If the PLS8-X/PLS8-V is on, the IGT line must be asserted for at least 2.1
seconds before being released. The module switches off after the line is
released. The switch-off routine is identical with the procedure initiated
by AT^SMSO, i.e. the software performs an orderly shutdown as
described in Section 3.3.3.
Before switching off the module wait at least 12 seconds after startup.
•The PLS8-X/PLS8-V board is exceeding the critical limits of overtemperature or undertemperature
•Undervoltage or overvoltage is detected
The automatic shutdown procedure is equivalent to the power down initiated with the AT^SMSO
command, i.e. PLS8-X/PLS8-V logs off from the network and the software en ters a secure state
avoiding loss of data.
Alert messages transmitted before the device switches off are implemented as Unsolicited Result Codes (URCs). The presentation of the temperature URCs can be enabled or disabled with
the AT commands AT^SCTM. The URC presentation mode varies with the condition, please
see Section 3.3.5.1 to Section 3.3.5.4 for details. For further instructions o n AT commands refer
to [1].
3.3.5.1Thermal Shutdown
The board temperature is constantly monitored by an internal NTC resistor located on the PCB.
The values detected by the NTC resistor are measured directly on the board and the refore, are
not fully identical with the ambient temperature.
Each time the board temperature goes out of range or back to normal, PLS8-X/PLS8-V instantly displays an alert (if enabled).
•URCs indicating the level "1" or "-1" allow the user to take appropriate precautions, such as
protecting the module from exposure to extreme conditions. The presentation of the URCs
depends on the settings selected with the AT^SCTM write command:
AT^SCTM=1: Presentation of URCs is always enabled.
AT^SCTM=0 (default): Presentation of URCs is enabled during the 2 minutes guard period
after start-up of PLS8-X/PLS8-V. After expiry of the 2 minutes guard period, the presentation will be disabled, i.e. no URCs with alert levels "1" or ''-1" will be generated.
•URCs indicating the level "2" or "-2" are instantly followed by an orderly shutdown. The presentation of these URCs is always enabled, i.e. they will be outp ut even though the factory
setting AT^SCTM=0 was never changed.
The maximum temperature ratings are stated in Section 6.2. Refer to Table 8 for the associated
URCs.
Table 8: Temperature dependent behavior
Sending temperature alert (2 minutes after PLS8-X/PLS8-V start-up, otherwise only if URC presentation enabled)
^SCTM_B: 1Caution: Board close to overtemperatur e limit, i.e., boar d is 5° C below over tem-
perature limit.
^SCTM_B: -1Caution: Board close to undertemperature limit, i.e., board is 5°C above under-
temperature limit.
^SCTM_B: 0Board back to uncritical temperature range, i.e., board is 6°C below its over- or
Automatic shutdown (URC appears no matter whether or not presentation was enabled)
^SCTM_B: 2Alert: Board equal or beyond overtemperature limit. PLS8-X/PLS8-V switche s
off.
^SCTM_B: -2Alert: Board equal or below undertemperature limit. PLS8-X/PLS8-V switches
off.
Page 30 of 105
The AT^SCTM command can also be used to check the present status of the board. Depending
on the selected mode, the read command returns the current board temperature in degrees
Celsius or only a value that indicates whether the board is within the safe or critical temperature
range. See [1] for further instructions.
3.3.5.2Deferred Shutdown at Extreme Temperature Conditions
In the following cases, automatic shutdown will be deferred if a critical temperature limit is exceeded:
•While an emergency call is in progress.
•During a two minute guard period after power-up. This guard period has been introduced in
order to allow for the user to make an emergency call. The start of any one of these calls
extends the guard period until the end of the call. Any other network activity may be terminated by shutdown upon expiry of the guard time.
While in a "deferred shutdown" situation, PLS8-X/PLS8-V continues to measure the temperature and to deliver alert messages, but deactivates the shutdown functionality. Once the 2 minute guard period is expired or the call is terminated, full temperature control will be resumed. If
the temperature is still out of range, PLS8-X/PLS8-V switches off immediately (without another
alert message).
CAUTION! Automatic shutdown is a safety feature intended to prevent damage to the module.
Extended usage of the deferred shutdown facilities provided may result in damage to the module, and possibly other severe consequences.
If the measured battery voltage is no more sufficient to set up a call the following URC will be
presented:
^SBC: Undervoltage.
The URC indicates that the module is close to the undervoltage threshold. If undervoltage persists the module keeps sending the URC several times before switching off automatically.
This type of URC does not need to be activated by the user. It will be output automatically when
fault conditions occur.
3.3.5.4Overvoltage Shutdown
The overvoltage shutdown threshold is 100mV above the maximum supply voltage V
BATT+
specified in Table 22.
When the supply voltage approaches the overvoltage shutdown threshold the module will send
the following URC:
^SBC: Overvoltage warning
This alert is sent once.
When the overvoltage shutdown threshold is exceeded the module will send the following URC
^SBC: Overvoltage shutdown
before it shuts down cleanly.
This type of URC does not need to be activated by the user. It will be output automatically when
fault conditions occur.
Keep in mind that several PLS8-X/PLS8-V components are directly linked to BATT+ and , there-
fore, the supply voltage remains applied at major parts of PLS8-X/PLS8-V, even if the module
is switched off. Especially the power amplifier is very sensitive to high voltage and might even
be destroyed.
Caution: Use the EMERG_OFF line only when, due to serious problems, the software is not
responding for more than 5 seconds. Pulling the EMERG_OFF line causes the loss of all information stored in the volatile memory. Therefore, this procedure is intended only for use in case
of emergency, e.g. if PLS8-X/PLS8-V does not respond, if reset or shutdown via AT command
fails.
The EMERG_OFF line is available on the application interface and can be used to switch off
the module. To control the EMERG_OFF line it is recommended to use an open drain / collector
driver.
To switch off, the EMERG_OFF line must be pulled to ground for longer than 4 0 milliseconds.
After the 40 milliseconds and an additional delay period of 500 millise conds t he module shuts
down as shown in Figure 8.
Figure 8: Shutdown by EMERG_OFF signal
Note: The power supply voltage (BATT+) may be disconnected or switched off only after having
reached Shut Down as indicated by the PWR_IND signal going high. The power supply has to
be available (again) before the module is restarted.
PLS8-X/PLS8-V is able to reduce its functionality to a minimum (during the so-called SLEEP
mode) in order to minimize its current consumption. This behavior is configurable by AT command:
•AT^SCFG= "MEopMode/PwrSave": The power save mode is by default disabled. If
enabled, the module will switch into a power saving (SLEEP) state while inactive, waking
up only after one of the following events: Cyclically after expiry of a specified power saving
period, sending a URC (incl. for incoming calls), toggling the RTS0 line (falling edge only),
toggling the DTR0 line (both edges). See Section 3.4.1 for a description on how to immediately wake up PLS8-X/PLS8-V from SLEEP mode again using RTS0.
•AT^SCFG= "MEopMode/ExpectDTR": Power saving will take effect only if there is no transmission data pending on any port. The expect DTR AT command ensures that data becoming pending on any port before an external application has signalled its readiness to receive
the data is discarded. By default this behavior is enabled for all ports. For this feature to
work the external application should be able to trigger and control the DTR line.
•AT^SCFG="Radio/OutputPowerReduction": Output power reduction is possible for the
module in GPRS multislot scenarios to reduce its output power according to 3GPP 45.005
section.
Please refer to [1] for more information on the above AT commands used to configure the module’s power saving behavior.
The implementation of the USB host interface also influences the module’s power saving
behavior and therefore its current consumption. For more information see Section 3.6. Another
feature influencing the current consumption is the configuration of the GNSS antenna interface.
For details see Section 6.8.
RTS0 can be used to wake up PLS8-X/PLS8-V from SLEEP mode. Assertion of RTS0 (i.e., toggle from inactive high to active low) serves as wake up event, thus allowing an external application to almost immediately terminate power saving. After RTS0 assertion, the CTS0 line
signals module wake up, i.e., readiness of the AT command interface. It is therefore recommended to enable RTS/CTS flow control (default setting).
Figure 9 shows the described RTS0 wake up mechanism.
The internal Real Time Clock of PLS8-X/PLS8-V is supplied from a separate voltage regulator
in the power supply component which is also active when PLS8-X/PLS8-V is in Power Down
mode and BATT+ is available. An alarm function is provided that allows to wake up PLS8-X/
PLS8-V. When the alarm time is reached the module wakes up to the functionality level
(AT+CFUN) that was valid before power down. For example, if the module was in Airplane
mode before power down, the module will wake up without logging on to the GSM/UMTS network.
In addition, you can use the VDDLP pad on the SMT interface to backup the RTC from an external capacitor or a battery (rechargeable or non-chargeable). The capacitor is charged from
the internal LDO of PLS8-X/PLS8-V. If the voltage supply at BATT+ is disconnected the RTC
can be powered by the capacitor. The size of the capacitor determines the duration of bu ffering
when no voltage is applied to PLS8-X/PLS8-V, i.e. the greater the capacitor the longer PLS8X/PLS8-V will save the date and time. It limits the output current of an empty capacitor or battery.
All serial (including RS) and pull-up resistors for data lines are implemented.
USB_DN
3)
3)
If the USB interface is operated in High S peed mode (48 0 MHz), it is recomm e nded to take
special care routing the data lines USB_DP and USB_DN. Application layout should in this
case impleme nt a differential impeda nc e of 90 ohms for proper signal integrity.
R
S
R
S
VBUS
1µF
2)
Since VUSB_IN is used for detection only it is recomm ende d not to add an y further
blocking capacitors on the VUS B_IN line.
Host wakeup
RING0
SMT
Page 36 of 105
3.6 USB Interface
50
3.6USB Interface
PLS8-X/PLS8-V supports a USB 2.0 High Speed (480Mbps) device interface. The USB interface is primarily intended for use as command and data interface and for downloading firmware.
The USB host is responsible for supplying the VUSB_IN line. This line is for voltage detection
only. The USB part (driver and transceiver) is supplied by means of BATT+. This is because
PLS8-X/PLS8-V is designed as a self-powered device compliant with the “Universal Ser ial Bus
Specification Revision 2.0”
1
.
Figure 11: USB circuit
To properly connect the module's USB interface to the external application, a USB 2.0 compatible connector and cable or hardware design is required. For more information on the USB related signals see Table 22. Furthermore, the USB modem driver distribute d with PLS8-X/PLS8V needs to be installed.
1.
The specification is ready for download on http://www.usb.org/developers/docs/
While a USB connection is active, the module will never switch into SLEEP mode. Only if the
USB interface is in Suspended state or Detached (i.e., VUSB_IN = 0) is the module able to
switch into SLEEP mode thereby saving power
reduction mechanisms:
•Recommended implementation of USB Suspend/Resume/Remote Wakeup:
The USB host should be able to bring its USB interface into the Suspended state as
described in the “Universal Serial Bus Specification Revision 2.0“
work, the VUSB_IN line should always be kept enabled. On incoming calls and other events
PLS8-X/PLS8-V will then generate a Remote Wakeup request to resume the USB host controller.
See also [4] (USB Specification Revision 2.0, Section 10.2.7, p.282):
"If USB System wishes to place the bus in the Suspended state, it commands the Host Controller to stop all bus traffic, including SOFs. This causes all USB devices to enter the Suspended state. In this state, the USB System may enable the Host Controller to respond to
bus wakeup events. This allows the Host Controller to respond to bus wakeup signaling to
restart the host system."
1
. There are two possibilities to enable power
2
. For this functionality to
•Implementation for legacy USB applications not supporting USB Suspend/Resume:
As an alternative to the regular USB suspend and resume mechanism it is possible to
employ a remote wakeup line (e.g., the RING0 line) to wake up the host applica tion in case
of incoming calls or events signalized by URCs while the USB interface is in Detached state
(i.e., VUSB_IN = 0). Every wakeup event will force a new USB enumeration. Therefore, the
external application has to carefully consider the enumeration timings to avoid loosing any
signalled events. For details on this host wakeup functionality see Section 3.13.3. To prevent existing data call connections from being disconnected while the USB interface is in
detached state (i.e., VUSB_IN=0) it is possible to call AT&D0, thus ignoring the status of
the DTR line (see also [1]).
1.
Please note that if the USB interface is employed, and a USB cable is connected, there should also be
a terminal programm linked to the USB port in order to receive and process the initial SYSSTART URC
after module startup. Otherwise, the SYSSTART URC remains pending in the USB driver's output buffer
and this unprocessed data prevents the module from power saving.
2.
The specification is ready for download on http://www.usb.org/developers/docs/
PLS8-X/PLS8-V offers an 8-wire unbalanced, asynchronous modem interface ASC0 conforming to ITU-T V.24 protocol DCE signalling. The electrical characteristics do not comply with ITUT V.28. The significant levels are 0V (for low data bit or active state) and 1.8V (for high data bit
or inactive state). For electrical characteristics please refer to Table 22.
PLS8-X/PLS8-V is designed for use as a DCE. Based on the conventions for DCE-DTE connections it communicates with the customer application (DTE) using the following signals:
•Port TXD @ application sends data to the module’s TXD0 signal line
•Port RXD @ application receives data from the module’s RXD0 signal line
Figure 12: Serial interface ASC0
Features:
•Includes the data lines TXD0 and RXD0, the status lines RTS0 and CTS0 and, in addition,
the modem control lines DTR0, DSR0, DCD0 and RING0.
•The RING0 signal serves to indicate incoming calls and other types of URCs (Unsolicited
Result Code). It can also be used to send pulses to the host application, for example to
wake up the application from power saving state. See [1] for details on h ow to configure the
RING0 line by AT^SCFG.
•Configured for 8 data bits, no parity and 1 stop bit.
•ASC0 can be operated at fixed bit rates from 115,200bps up to 921,600bps.
•Supports RTS0/CTS0 hardware flow control.
•Wake up from SLEEP mode by RTS0 activation (high to low transition; see Section 3.4.1).
Note: If the ASC0 serial interface is the application’s only interface, it is suggested to connect
test points on the USB signal lines as a potential tracing possibility.
PLS8-X/PLS8-V has two UICC/SIM/USIM interfaces compatible with the 3GPP 31.102 and
ETSI 102 221. These are wired to the host interface in order to be connected to an external
SIM card holder. Five pads on the SMT application interface are reserved for each of the two
SIM interfaces.
The UICC/SIM/USIM interfaces support 3V and 1.8V SIM cards. Please refer to Table 22 for
electrical specifications of the UICC/SIM/USIM interface lines depending on whether a 3V or
1.8V SIM card is used.
The CCINx signal serves to detect whether a tray (with SIM card) is present in the card holder.
Using the CCINx signal is mandatory for compliance with the GSM 11.11 recommendation if
the mechanical design of the host application allows the user to remove the SIM card during
operation. To take advantage of this feature, an appropriate SIM card detect switch is required
on the card holder. For example, this is true for the model supplied by Molex, which has been
tested to operate with PLS8-X/PLS8-V and is part of the Gemalto M2M reference equipment
submitted for type approval. See Chapter 10 for Molex ordering numbers.
Table 10: Signals of the SIM interface (SMT application interface)
SignalDescription
GNDGround connection for SIM interfaces. Optionally a separate SIM ground line using e.g.,
pad N11 may be used to improve EMC.
CCCLK1
CCCLK2
CCVCC1
CCVCC2
CCIO1
CCIO2
CCRS1
CCRS2
CCIN1
CCIN2
Chipcard clock lines for 1
SIM supply voltage lines for 1
Serial data lines for 1
Chipcard reset lines for 1
Input on the baseband processor for detecting a SIM card tray in the holder. If the SIM is
removed during operation the SIM interface is shut down immediately to prevent destruction of the SIM. The CCINx signal is active low.
The CCINx signal is mandatory for applications that allow the user to remove the SIM card
during operation.
The CCINx signal is solely intended for use with a SIM card. It must not be used for any
other purposes. Failure to comply with this requirement may inva lidate the type approval of
PLS8-X/PLS8-V.
st
and 2nd SIM interface.
st
and 2nd SIM interface.
st
and 2nd SIM interface, input and output.
st
and 2nd SIM interface
Note: No guarantee can be given, nor any liability accepted, if loss of data is encountered after
removing the SIM card during operation. Also, no guarantee can be given for properly initializing any SIM card that the user inserts after having removed the SIM card during operation. In
this case, the application must restart PLS8-X/PLS8-V.
*Should be placed
as close as possible
to SMT application
interface
3.8 UICC/SIM/USIM Interface
50
Figure 13: First UICC/SIM/USIM interface
Page 41 of 105
The total cable length between the SMT application interface pads on PLS8-X/PLS8-V and the
pads of the external SIM card holder must not exceed 100mm in order to meet the specifications of 3GPP TS 51.010-1 and to satisfy the requirements of EMC compliance.
To avoid possible cross-talk from the CCCLKx signal to the CCIOx signal be careful that both
lines are not placed closely next to each other. A useful approach is using the GND line to
shield the CCIOx line from the CCCLKx line.
An example for an optimized ESD protection for the SIM interface is shown in Section 3.8.1.
Note: Figure 13 shows how to connect a SIM card holder to the first SIM interface. With the
second SIM interface some internally integrated components on the SIM circuit will have to be
externally integrated as shown for the second SIM interface in Figure 14.
5-line transient voltage
supressor array, e.g.,
NUP5120X6 or
ESDA6V1-5P6
Page 42 of 105
3.8 UICC/SIM/USIM Interface
50
3.8.1Enhanced ESD Protection for SIM Interface
To optimize ESD protection for the SIM interfaces it is possible to add ESD diodes to the interface lines of the first and second SIM interface as shown in the example given in Figure 15.
The example was designed to meet ESD protection according ETSI EN 301 489-1/ 7: Contact
discharge: ± 4kV, air discharge: ± 8kV.
PLS8-X/PLS8-V has a digital audio interface that can be employed either as pulse code modulation interface (see Section 3.9.1) or as inter IC sound interface (see Section 3.10). Operation
can be configured by AT command (see [1]). Default setting is pulse code modulation.
Note: As PLS8-X/PLS8-V is a data only module, the module’s digital audio interface supports
local tones only and is otherwise reserved for future use.
3.9.1Pulse Code Modulation Interface (PCM)
PLS8-X/PLS8-V's PCM interface can be used to connect audio devices capable of pulse code
modulation. For the PCM interface configuration the parameters <clock>, <mode>,
<frame_mode>, <ext_clk_mode> and <sample_rate> of the AT^SAIC command can be configured in any combination (for details on AT^SAIC see [1]). Table 11 lists the available PCM
interface signals.
PLS8-X/PLS8-V has various audio modes selectable with AT^SNFS (for details see [1]).
3.10Inter IC Sound Interface (I2S)
The I2S Interface is a standardized bidirectional I2S ("Inter-IC Sound Interface") based digital
audio interface for transmission of mono audio signals. The I
configured using the AT command AT^SAIC (see [1]). An activation is possible only out of tone
presentation. The I
2
S properties and capabilities comply with the requirements layed out in the
Phillips I2S Bus Specifications, revised June 5, 1996. The digital audio interface pads available
2
for the PCM interface are also available for the I
S interface. In I2S mode they have the same
electrical characteristics. For the master clock option there is a separate line (see Section 6.5
for more information on these lines). Table 12 lists the available I
PLS8-X/PLS8-V provides three unbalanced ADC input lines: ADC1_IN, ADC2_IN and
ADC3_IN. They can be used to measure three independent, externally connected DC volta ges
in the range of 0.3V to 3.075V.
The AT^SRADC command can be employed to select the ADC line, set the measurement
mode and read out the measurment results.
3.12GPIO Interface
PLS8-X/PLS8-V has 10 GPIOs for external hardware devices. Each GPIO can be configured
for use as input or output. All settings are AT command controlled.
The IO port driver has to be open before using and configuring GPIOs. Before changing the
configuration of a GPIO pin (e.g. input to output) the pin has to be closed. If the GPIO pins are
not configured or the pins/driver were closed, the GPIO pins are high-Z with pull down resistor.
If a GPIO is configured to input, the pin has high-Z without pull resistor.
GPIO1 can be configured as dead reckoning synchronization line (see Chapter 4), GPIO2 can
be configured as 700MHz antenna switch control signal (see Section 3.13.6), GPIO6 may be
configured as low current indicator signal (see Section 3.13.4), and GPIOs may be set as remote host wakeup lines (see Section 3.13.3).
If the PLS8-X/PLS8-V stays in power save (SLEEP) mode a level state transition at GPIO1,
GPIO3, GPIO4, GPIO5 and GPIO9 will wake up the module. To query the level state the
AT^SCPOL command may be used.
PWR_IND notifies the on/off state of the module. For state detection an external p ull-up resistor
is required (cp. R1 in below Figure 16). As long as the feeding voltage is applied at the pull-up
resistor, a high state of PWR_IND indicates that the module is switched off.
Figure 16: PWR_IND signal
3.13.2Behavior of the RING0 Line
The RING0 line serves to indicate incoming calls and other types of URCs (Unsolicited Result
Code).
Although not mandatory for use in a host application, it is strongly suggested that you connect
the RING0 line to an interrupt line of your application. In this case, the application can be designed to receive an interrupt when a falling edge on RING0 occurs. This solution is most effective, particularly, for waking up an application from power saving. Therefore, utilizing the
RING0 line provides an option to significantly reduce the overall current consumption of your
application.
The RING0 line behavior and usage can be configured by AT command. For details see [1]:
AT^SCFG.
If no call, data or message transfer is in progress, the external host application may shut down
its own module interfaces or other components in order to save power. If a call, data, or other
request (URC) arrives, the external application can be notified of this event and be woken up
again by a state transition of a configurable remote wakeup line. Available as remote wakeup
lines are all GPIO signals as well as the RING0 line. Please refer to [1]: AT^SCFG: "RemoteWakeUp/..." for details on how to configure these lines for defined wakeup events on
specified device interfaces. Possible states are listed in Table 13.
If no line is specifically configured as remote wakeup signal, the remote USB suspend and resume mechanism as specified in the “Universal Serial Bus Specification Revision 2.0“
1
applies
for the USB interface (see Section 3.6), or the RING0 line may be employed with USB applications not supporting this mechanism (see also Section 3.6.1). This legacy behaviour of the
RING0 line as remote host wakeup line has to be enabled and con figured by AT command (see
[1]: AT^SCFG: "URC/Ringline"). Possible states are listed in Table 13.
Table 13: Host wakeup lines
SignalI/O/PDescription
RING0OInactive to active low transition:
0 = The host shall wake up
1 = No wake up request
GPIOxOInactive to active high transition:
0 = No wake up request
1 = The host shall wake up
1.
The specification is ready for download on http://www.usb.org/developers/docs/
A low current indication is optionally available over a GPIO line. By default, low current indication is disabled and the GPIO pads can be configured and employed as usual.
For a GPIO pad to work as a low current indicator the feature has to be enabled by AT command (see [1]: AT^SCFG: MEopMode/PowerMgmt/LCI). By default, the GPIO6 pad is configured as LCI signal.
If enabled, the GPIOx/LCI signal is high when the module is sleeping . During its sleep the module will for the most part be slow clocked with 32kHz RTC.
Table 14: Low current indicator line
SignalI/O/PDescription
GPIOx/LCIOInactive to actice high transition:
0 = High current consumption
The module draws its power via BATT+
1 = Low current consumption (only reached during SLEEP mode)
The module draws only a low current via BATT+
Figure 17: Low current indication timing (still to be confirmed)
tLCTime for the I
tLCpkMax. time duration for the inrush current peak at the end of the low current period.
tLCruWhen the GPIOx signal becomes inactive (low) the current ramps up to the
current consumption: ILCmax<100mA.
BATT+
maximum low current value within tLCru.
ILCpkWhen the module turns from sleep to normal operation some internal supply
voltages will be switched on. That causes a small inrush current peak.
ILCmaxDuring the low current period tLC the current consumption does not exceed
3.13.5Network Connectivity and Technology Status Signals
The STATUS line serves to indicate the module’s network connectivity state or the underlying
network technology (2G or 3G/4G) and can be used to control an externally connected LED as
shown in Figure 18. To operate the LED a buffer, e.g. a transistor or gate, must be included in
the external application.
Figure 18: LED circuit (example)
For electrical characteristics of the STATUS line see Table 22. The network connectivity and
technology signal function is volatile and has to be activated after module startup with AT^SLED.
For details on the command as well as status and mode indications through blinking intervals
see [1].
To provide for an antenna optimization over a wide frequency range, the GPIO2
(ANT_SWITCH) line can be configured as a control signal for a possible external antenna
switch that is able to change between an antenna covering the 700MHz band and an a ntenna
covering all other bands - depending on the frequency band currently being used by the module.
If the control switch functionality is enabled, GPIO2 is set to "high" (1) if the module is employing frequencies in the 700 MHz range (i.e., LTE band 17) and "low" (0) for all other frequencies,
including the 800/850 MHz frequency bands.
A GPIO2 signal switch is triggered by all module internal activities involving a change of the
used frequency, even if only temporary (e.g., inter-band scanning using compressed mode).
The maximum delay/deviation between internal usage ch ange of the frequency ban d, and the
GPIO2 signal change is 10 microseconds.
For electrical characteristics of the GPIO2 (ANT_SWITCH) line see Table 22. The antenna
switch control is non-volatile and has to be activated after module startup with AT^SCFG="GPIO/
Mode/Antenna". For details on the command see [1].
PLS8-X/PLS8-V integrates a GNSS receiver that offers the full performance of GPS/
GLONASS technology. The GNSS receiver is able to continuously track all satellites in view,
thus providing accurate satellite position data.
The integrated GNSS receiver supports the NMEA protocol via USB or ASC0 interface. NMEA
is a combined electrical and data specification for communication between various (marine)
electronic devices including GNSS receivers. It has been defined and controlled by the US
based National Marine Electronics Association. For more information on the NMEA Standard
please refer to http://www.nmea.org.
Depending on the receiver’s knowledge of last position, current time and ephemeris data, th e
receiver’s startup time (i.e., TTFF = Time-To-First-Fix) may vary: If the receiver has no knowledge of its last position or time, a startup takes considerably longer than if the receiver has still
knowledge of its last position, time and almanac or has still access to valid ephimeris data and
the precise time. For more information see Section 6.8.
By default, the GNSS receiver is switched off. It has to be switched on and configured using AT
commands. For more information on how to control the GNSS interface via the AT commands
see [1].
Dead Reckoning Sync Line:
Dead reckoning solutions are used in (automotive) platforms to determine the (vehicles) location even when there is no GPS signal available (e.g. in tunnels, basement garages or even
between high buildings in cities).
In addition to dead reckoning related NMEA sentences (for details see [1]: GNSS sentences),
PLS8-X/PLS8-V provides a dead reckoning synchronization line (DR_SYNC line) to be
employed in external dead reckoning applications. DR_SYNC is derived from the GPS signal
clock as 1 pulse per second (1PPS) signal, with a frequency of 1Hz, an accuracy of +/-5 ms,
and a high state pulse of 1ms. The DR_SYNC signal is provided as long as synchronized with
the GPS satellite clock, and continues for approximately 6 minutes after GPS signal loss.
DR_SYNC can be configured for the GPIO1 pad.
DR_SYNC can be activated using the AT command AT^SGPSC. For more information on the
command please refer to [1], for electrical characteristics see Table 22.
The PLS8-X/PLS8-V GSM/UMTS/LTE antenna interface comprises a GSM/UMTS/LTE main
antenna as well as a UMTS/LTE Rx diversity/MIMO antenna to improve signal reliability and
quality
total mismatch at the antenna interface without any damage, even when transmitting at maximum RF power.
The external antennas must be matched properly to achieve best performance regarding radiated power, modulation accuracy and harmonic suppression. Matching networks are not included on the PLS8-X/PLS8-V PCB and should be placed in the host application, if the a ntenna
does not have an impedance of 50
Regarding the return loss PLS8-X/PLS8-V provides the following values in the active band:
Table 15: Return loss in the active band
1
. The interface has an impedance of 50. PLS8-X/PLS8-V is capable of sustaining a
.
State of moduleReturn loss of moduleRecommended return loss of application
Receive>
Transmit not applicable >
Idle<
8dB> 12dB
12dB
5dBnot applicable
1.
By delivery default the UMTS/LTE Rx diversity/MIMO antenna is configured as available for the module
since its usage is mandatory for LTE. Please refer to [1] for details on how to configure antenna settings.
The antenna is connected by soldering the antenna pads (ANT_MAIN; ANT_DRX_MIMO) and
their neighboring ground pads directly to the application’s PCB.
The distance between the antenna pads and their neighboring GND pads has been optimized
for best possible impedance. To prevent mismatch, special attention should be paid to these
Figure 19: Antenna pads (bottom view)
pads on the application’ PCB.
The wiring of the antenna connection, starting from the antenna p ad to the application’s ante n-
na should result in a 50
be optimized with regard to the PCB’s layer stack. Some examples are given in Section 5.1.2.
To prevent receiver desensitization due to interferences generated by fast transients like high
line impedance. Line width and distance to the GND plane need to
speed clocks on the external application PCB, it is recommended to realize the antenna connection line using embedded Stripline rather than Micro-Stripline technology. Please see Sec-
tion 5.1.2 for examples of how to design the antenna connection in order to achieve the
required 50
For type approval purposes, the use of a 50
be necessary. In this case the U.FL-R-SMT connector should be placed as close as possible
Several dedicated tools are available to calculate line arrangements for specific applications
and PCB materials - for example from http://www.polarinstruments.com/ (commercial software)
or from http://web.awrcorp.com/Usa/Products/Optional-Products/TX-Line/ (free software).
Embedded Stripline
This below figure shows line arrangement examples for embedded stripline.
Figure 22 shows a sample connection of a module‘s antenna pad at the bottom layer of the
module PCB with an application PCB‘s coaxial antenna connector. Line impedance depends
on line width, but also on other PCB characteristics like dielectric, height and layer gap. The
sample stripline width of 0.33mm is recommended for an application with a PCB layer stack
resembling the one of the PLS8-X/PLS8-V evaluation board shown in Figure 23. For different
layer stacks the stripline width will have to be adapted accordingly.
In addition to the RF antenna interface PLS8-X/PLS8-V also has a GNSS antenna interface.
See Section 6.5 to find out where the GNSS antenna pad is located. The GNSS pad itself is
the same as for the RF antenna interface (see Section 5.1.1).
It is possible to connect active or passive GNSS antennas. In either case they must have 50
impedance. The simultaneous operation of GSM and GNSS is implemented. For electrical
characteristics see Section 6.8.
PLS8-X/PLS8-V provides the supply voltage VGNSS for the GNSS active antenna (3.05V). It
has to be enabled by software when the GNSS receiver becomes active, otherwise VGNSS
should be off (power saving). VGNSS is not short circuit protected. This will have to be provided
for by an external application. The DC voltage should be fed back via ANT_GNSS_DC for coupling into the GNSS antenna path. Figure 24 shows the flexibility in realizing the power supply
for an active GNSS antenna by giving two sample circuits realizing the supply voltage for an
active GNSS antenna - one with short circuit protection and one with an external LDO employed.
6 Electrical, Reliability and Radio Characteristics
81
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6Electrical, Reliability and Radio Characteristics
6.1Absolute Maximum Ratings
The absolute maximum ratings stated in Table 16 are stress ratings under any conditions.
Stresses beyond any of these limits will cause permanent damage to PLS8-X/PLS8-V.
Table 16: Absolute maximum ratings
ParameterMinMaxUnit
Supply voltage BATT+-0.5+6.0V
Voltage at all digital lines in Power Down mode-0.5+0.5V
Voltage at digital lines in normal operation -0.5+2.3V
Voltage at SIM/USIM interface, CCVCC 1.8V in normal operation-0.5+2.3V
Voltage at SIM/USIM interface, CCVCC 3.0V in normal operation-0.5+3.4V
VDDLP input voltage-0.3+3.5V
Voltage at ADC lines if the module is powered by BATT+-0.5+3.5V
Voltage at ADC lines if the module is not powered-0.5+0.5V
VEXT maximum current shorted to GND -300 mA
VUSB_IN, USB_DN, USB_DP-0.35.75V
Voltage at PWR_IND line-0.55.5V
PWR_IND input current if PWR_IND= low2mA
Voltage at following signals:
Extreme temperature range
Extended temperature range
Automatic shutdown
3
Temperature measured on PLS8-X/PLS8-V board
1.
Operating temperature range according to 3GPP type approval specification.
2.
Extended operation allows normal mode data transmissions for limited time until automatic thermal shutdown takes effect.
Within the extended temperature range (outside the operating temperature range) there should not be
any unrecoverable malfunctioning. General performance parameters like Pout or RX sensitivity however
may be reduced in their values. The module’s life time may also be affected, if deviating from a general
temperature allocation model (for details see Section 6.2.1).
3.
Due to temperature measurement uncertainty, a tolerance on the stated shutdown thresholds may occur.
The possible deviation is in the range of ± 2°C at the overtemperature and undertemperature limit.
1
+15
-30
2
-40+95°C
+25+55
+85
°C
°C
<-40--->+95°C
See also Section 3.3.5 for information about the NTC for on-board temperature measurement,
automatic thermal shutdown and alert messages.
Note that within the specified operating temperature ranges the board temperature may vary
to a great extent depending on operating mode, used frequency band, radio output power and
current supply voltage. Note also the differences and dependencies that usually exist between
board (PCB) temperature and ambient temperature as shown in the following Figure 26. The
possible ambient temperature range depends on the mechanical application design including
the module and the PCB with its size and layout. A thermal solution will have to take t hese differences into account and should therefore be an integral part of application design.
Figure 26: Board and ambient temperature differences
The temperature allocation model shown in Table 18 assumes shares of a module’s average
lifetime of 10 years (given in %) during which the module is operated at certain temperatures.
Table 18: Temperature allocation model
Module lifetime share (in %)
1
11553353 11
Module Temperature (in °C)-40-30-102040708595
1.
Based on an assumed average module lifetime of 10 years (=100%).
Any deviations from the above temperature allocation model may reduce the module’s life
span, for example if the module is operated close to the maximum automatic shutdown temperature not only for 1% but for 20% of its product life.
6.3Storage Conditions
The conditions stated below are only valid for modules in their original packed state in weather
protected, non-temperature-controlled storage locations. Normal storage time under these
conditions is 12 months maximum. The modules will be delivered in a packaging that meets
the requirements according "IPD/JEDEC J-STD-033B.1" for Low Temperature Carriers.
Table 19: Storage conditions
TypeConditionUnitReference
Humidity relative: Low
High
Air pressure: Low
High
Movement of surrounding air1.0m/sI EC TR 60 27 1 -3 -1 : 1K4
Water: rain, dripping, icing
From experience with other modules an elongation of up to 200µm/m is acceptable for PLS8-X/
PLS8-V modules as a result of bending strains.
Tests (based on EN 60068-2-21) showed that if applying a force of 10N at the middle of the
module, i.e., the evaluation module with the actual PLS8-X/PLS8-V module soldered onto the
evaluation PCB as shown in Figure 27, the possible elongation is clearly below the value of
200µm/m. Therefore, a force of 10N is recommended as maximum force.
Please note that these values only apply for a one-off short stress. The module will have to be
mounted free of any strains and without being exposed to dynamic pressures.
The SMT application interface on the PLS8-X/PLS8-V provides connecting pads to integrate
the module into external applications. Table 21 lists the pads’ assignments. Figure 28 (bottom
view) and Figure 29 (top view) show the connecting pads’ numbering plan.
Please note that pads marked "rfu" (reserved for future use) and further qualified as "dnu" (do
not use) may be soldered but should not be connected to an external application. Pads marked
"rfu" and qualified as "GND" (ground) are assigned to ground with PLS8-X/PLS8-V modules,
but may have different assignments with future Gemalto M2M products using the same pad layout.
Gemalto strongly recommends to solder all connecting pads for mechanical stability and heat
dissipation.
rfu: Reserved for future use (should not
be connected to external application)
nc: Internally not connected (may be arbitrarily connected to external application)
(dnu): Do not use
6.5 Pad Assignment and Signal Description
81
Page 65 of 105
Figure 28: PLS8-X/PLS8-V bottom view: Pad assignments
rfu: Reserved for future use (should not
be connected to external application)
nc: Internally not connected (may be arbitrarily connected to external application)
(dnu): Do not use
6.5 Pad Assignment and Signal Description
81
Page 66 of 105
PLS8-X_PLS8-V_HD_v03.0162015-12-09
Figure 29: PLS8-X/PLS8-V top view: Pad assignments
Please note that the reference voltages listed in Table 22 are the values measured directly on
the PLS8-X/PLS8-V module. They do not apply to the accessories connected.
Table 22: Signal description
FunctionSignal nameIOSignal form and levelComment
Power supply
Power supply
External
supply voltage
BATT+_RFIV
max = 4.2V
I
V
norm = 3.8V
I
V
min = 3.3V during Tx burst on board
I
Imax
2A, during Tx burst (GSM)
Lines of BATT+ and GND
must be connected in parallel for supply purposes
because higher peak currents may occur.
Minimum voltage must not
fall below 3.3V including
drop, ripple, spikes.
For proper module power up
the voltage at BATT+ must
be greater than at VDDLP.
BATT+IV
n Tx = n x 577µs peak current every
4.615ms
max = 4.2V
I
V
norm = 3.8V
I
V
min = 3.3V during Tx burst on board
I
Imax = 350mA
GNDGroundApplication Ground
VEXTOCLmax = 1µF
VEXT may be used for application circuits.
= 1.80V +1% -5%
V
O
I
max = -50mA
O
If unused keep line open.
The external digital logic
must not cause any spikes
or glitches on voltage VEXT.
Do not exeed IOmax
Supply volt-
VGNSSOCLmax = 2.2µ
age for
active
GNSS
antenna
(Output)
Supply volt-
ANT_GNSS_DCIV
age for
active
GNSS
antenna
(Input)
IgnitionIGTIR
Emergency off
EMERG_
OFF
IR
V
= 3.05V ±1%
O
@I
= -20mA
O
I
max = -50mA
O
max = 6V
I
The input curren has to be limited at
50mA (antenna short circuit protection)
200k
PU
VOHmax=1.8V
VIHmax =2.1V
V
min = 1.17V
IH
VILmax = 300mV
Low impulse width > 100ms
40k
PU
V
max=1.8V
OH
VIHmax =2.1V
V
min = 1.17V
IH
VILmax = 300mV
~~|___|~~ low impulse width > 40ms
Available if GNSS antenna
DC power is enabled (configurable by AT command;
see Section 6.8).
If unused connect to GND.
This signal switches the
module ON.
It is recommended to drive
this line low by an open drain
or open collector driver connected to GND.
It is recommended to drive
this line low by an open drain
or open collector driver connected to GND.
Maximum cable length or
copper track should be not
longer than 100mm to SIM
card holder.
CCIO2: External 10k
pull-
up required - for details
please refer to Section 3.8.
If unused keep line open.
Power indicator
DCD0 O
RING0O
TXD0IV
RTS0I
DTR0I
PWR_INDOV
max = 0.6V at 30µA
IL
V
min = 1.20V at -30µA
IH
V
max = 2V
IH
max = 5.5V
IH
V
max = 0.4V at Imax = 1mA
OL
PWR_IND (Power Indicator)
notifies the module’s on/off
state.
PWR_IND is an open collector that needs to be connected to an external pull-up
resistor. Low state of the
open collector indicates that
the module is on. Vice versa,
high level notifies the Power
Down mode.
Therefore, signal may be
used to enable external voltage regulators that supply
an external logic for communication with the module,
e.g. level converters.
If unused keep lines open.
Following functions can be
configured for GPIOs using
AT commands:
GPIO1 --> Dead reckoning
synchronization
GPIO2 --> 700MHz antenna
control switch
Any GPIO --> Low current
indication. By default GPIO6
is configured as LCI line.
Any GPIO --> Remote host
wakeup line
1 pulse per second dead
reckoning synchronization
signal for usage in external
dead reckoning applications
(see Chapter 4).
Line can be configured as a
control signal for a possible
external 700MHz antenna
switch (see Section 3.13.6).
USB typical and maximum ratings are mentioned in Table 22: VUSB_IN.
1.
Please note that the listed frequency bands apply as follows:
PLS8-X: LTE: Bd 2, 4, 5, 13 and 17; UMTS/HSPA+ Bd II. IV and V; GSM 850/900/1800/1900MHz
PLS8-V: LTE: Bd 2, 4 and 13
2.
With an impedance of Z
Down ratings that were measured at 3.4V.
3.
Measurements start 6 minutes after switching ON the module,
Averaging times: SLEEP mode - 3 minutes, transfer modes - 1.5 minutes
Communication tester settings:no neighbour cells, no cell reselection etc,
RMC (Reference Measurement Channel)
4.
One fix per second.
5.
Communication tester settings:
- Channel Bandwidth: 5MHz
- Number of Resource Blocks: 25 (DL), 1 (UL)
- Modulation: QPSK
LTE active(UART / USB active); @DRX=6 &
GNSS NMEA output off
LTE active(UART / USB active); @DRX=6 &
GNSS NMEA output on
=50 at the antenna pads. Measured at 25°C and 4.2V - except for Power
Band 2, 4, 5, 13 and 17
LTE 700 Band 17-97-102dBm
LTE 700 Band 13TBD.TBD.dBm
LTE 850 Band 5-98-104dBm
LTE AWS Band 4-100-103dBm
LTE 1900 Band 2-98-103dBm
RF Power @ ARP
Load
with 50
LTE 700 Band 17+21+23+25dBm
LTE 700 Band 13+21+23+25dBm
LTE 850 Band 5+21+23+25dBm
LTE AWS Band 4+21+23+ 25dBm
LTE 1900 Band 2+21+23+25dBm
UMTS/HSPA connectivity
Receiver Input Sensitivity @
3
Band II, IV, V
UMTS 850 Band V-104.7-110dBm
ARP
UMTS AWS Band IV-106.7-110dBm
UMTS 1900 Band II-104.7-109dBm
RF Power @ ARP
Load
with 50
UMTS 850 Band V+21+24+25dBm
UMTS AWS Band IV+21+24+25dBm
UMTS 1900 Band II+21+24+25dBm
Tx noise @ ARP with max.
GNSS band-170dBm/Hz
RF power for UMTS:
Band 1 channel 9777
Band 2 channel 9477
GPRS coding schemesClass 12, CS1 to CS4
EGPRSClass 12, MCS1 to MCS9
GSM ClassSmall MS
Static Receiver input Sensi-
Table 25: RF Antenna interface GSM / UMTS/LTE (at operating temperature range
1)2
ParameterConditionsMin.Typical Max.Unit
RF Power @
ARP
with 50
Load
(ROPR=8,
i.e., max.
reduction)
GPRS, 1 TX GSM 850 / E-GSM 90033dBm
GSM 1800 / GSM 190030dBm
EDGE, 1 TXGSM 850 / E-GSM 90027dBm
GSM 1800 / GSM 190026dBm
GPRS, 2 TX GSM 850 / E-GSM 90030dBm
GSM 1800 / GSM 190027dBm
EDGE, 2 TXGSM 850 / E-GSM 90024dBm
GSM 1800 / GSM 190023dBm
GPRS, 3 TX GSM 850 / E-GSM 90028.2dBm
GSM 1800 / GSM 190025.2dBm
EDGE, 3 TXGSM 850 / E-GSM 90022.2dBm
GSM 1800 / GSM 190021.2dBm
GPRS, 4 TX GSM 850 / E-GSM 90027dBm
GSM 1800 / GSM 190024dBm
EDGE, 4 TXGSM 850 / E-GSM 90021dBm
GSM 1800 / GSM 190020dBm
1.
At extended temperature range no active power reduction is implemented - any deviations are hardware
related.
2.
Please note that the listed frequency bands apply as follows:
PLS8-X: LTE: Bd 2, 4, 5, 13 and 17; UMTS/HSPA+ Bd II. IV and V; GSM 850/900/1800/1900MHz
PLS8-V: LTE: Bd 2, 4 and 13
3.
Applies also to UMTS/LTE Rx diversity/MIMO antenna.
The following tables list general characteristics of the GNSS interface.
Table 26: GNSS properties
ParameterConditionsMin.Typical Max.Unit
Frequency
GPS
GLONASS1597.551
Tracking SensitivityOpen sky
Active antenna or LNA
Passive antenna
Acquisition SensitivityOpen sky
Active antenna or LNA
Passive antenna
Cold Start sensitivity
Time-to-First-Fix (TTFF)
1.
Test condition: Assumes 300 seconds timeout, QoS=1000m, and 50% yield.
2.
Test condition: TTFF is defined for an open sky environment, i.e., with a clear view to the sky and a
minimum signal level of -130dBm at the antenna for at least 3…4 satellites. This signal level represents
C/No=42dB in an NMEA $GPGSV message.
3.
For test purposes a cold start may be triggered by AT command: AT^SBNW="agps",-1 - see also [1].
4.
To optimize GPS start-up behavior, it is recommended to backup the module’s internal real time clock
via VDDLP line as described in Section 3.5.
1
2
Cold
Warm
3
4
1575.42
MHz
1605.886
-159
dBm
-156
-149
dBm
-145
-145dBm
2532s
1029s
Through the external GNSS antenna DC feeding the module is able to supply an active GNSS
antenna. The supply voltage level at the GNSS antenna interface depends on the GNSS configuration done with AT command as shown in Table 27.
Table 27: Power supply for active GNSS antenna
FunctionSetting samplesIOSignal form and level
GNSS active antenna supplySupply voltage with:
GNSS receiver off
Active antenna off
Supply voltage with:
GNSS receiver on
Active antenna on
SLEEP mode
Supply voltage with:
GNSS receiver on
Active antenna auto
The module is not protected against Electrostatic Discharge (ESD) in general. Consequently,
it is subject to ESD handling precautions that typically apply to ESD sensitive components.
Proper ESD handling and packaging procedures must be applied throughout the processing,
handling and operation of any application that incorporates a PLS8-X/PLS8-V module.
Special ESD protection provided on PLS8-X/PLS8-V:
BATT+: Inductor/capacitor
An example for an enhanced ESD protection for the SIM interface is shown in Section 3.8.1.
The remaining interfaces of PLS8-X/PLS8-V with the exception of the antenna interface are not
accessible to the user of the final product (since they are installed within the device) and are
therefore only protected according to the ANSI/ESDA/JEDEC JS-001-2011 requirements.
PLS8-X/PLS8-V has been tested according to the following standards. Electrostatic values can
be gathered from the following table.
All SMT interfaces± 500V Charge Device Model (CDM) n.a.
ETSI EN 301 489-1/7
BATT+± 4kV± 8kV
Note: The values may vary with the individual application design. For example, it matters
whether or not the application platform is grounded over external devices like a computer or
other equipment, such as the Gemalto M2M reference application described in Chapter 9.
7.2 Mounting PLS8-X/PLS8-V onto the Application Platform
94
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7.2Mounting PLS8-X/PLS8-V onto the Application Platform
This section describes how to mount PLS8-X/PLS8-V onto the PCBs, including land pattern
and stencil design, board-level characterization, soldering conditions, durability and mechanical handling. For more information on issues related to SMT module integration see also [3].
Note: Gemalto strongly recommends to solder all connecting pads for mechanical stability and
heat dissipation. Not only must all supply pads and signals be connected appropriately, but all
pads denoted as “Do not use“ should also be soldered (but not electrically connected). Note
also that in order to avoid short circuits between signal tracks on an exte rnal application's PCB
and various markings at the bottom side of the module, it is recommended not to route the signal tracks on the top layer of an external PCB directly under the module, or at least to ensure
that signal track routes are sufficiently covered with solder resist.
7.2.1SMT PCB Assembly
7.2.1.1Land Pattern and Stencil
The land pattern and stencil design as shown below is based on Gemalto M2M characterizations for lead-free solder paste on a four-layer test PCB and a 110 as well as a 150 micron-thick
stencil.
The land pattern given in Figure 32 reflects the module‘s pad layout, including signal pads and
ground pads (for pad assignment see Section 6.5). Besides these pads there are ground areas
on the module's bottom side that must not be soldered, e.g., the po sition marker . To p revent
short circuits, it has to be ensured that there are no wires on the external application side that
may connect to these module ground areas.
7.2 Mounting PLS8-X/PLS8-V onto the Application Platform
94
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The stencil design illustrated in Figure 33 and Figure 34 is recommended by Gemalto M2M as
a result of extensive tests with Gemalto M2M Daisy Chain modules.
7.2 Mounting PLS8-X/PLS8-V onto the Application Platform
94
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7.2.1.2Board Level Characterization
Board level characterization issues should also be taken into account if devising an SMT process.
Characterization tests should attempt to optimize the SMT process with regard to board level
reliability. This can be done by performing the following physical tests on sample boards: Peel
test, bend test, tensile pull test, drop shock test and temperature cycling. Sample surface
mount checks are described in [3].
It is recommended to characterize land patterns before an actual PCB production, taking individual processes, materials, equipment, stencil design, and reflow profile into account. For land
and stencil pattern design recommendations see also Section 7.2.1.1. Optimizing the solder
stencil pattern design and print process is necessary to ensure print uniformity, to decrease solder voids, and to increase board level reliability.
Daisy chain modules for SMT characterization are available on request. For details refer to [3].
Generally, solder paste manufacturer recommendations for screen printing process parame-
ters and reflow profile conditions should be followed. Maximum ratings are described in Section
7.2.3.
7.2.2Moisture Sensitivity Level
PLS8-X/PLS8-V comprises components that are susceptible to damage induced by absorbed
moisture.
Gemalto M2M’s PLS8-X/PLS8-V module complies with the latest revision of the IPC/JEDEC JSTD-020 Standard for moisture sensitive surface mount devices and is classified as MSL 4.
For additional moisture sensitivity level (MSL) related information see Section 7.2.4 and Sec-
7.2 Mounting PLS8-X/PLS8-V onto the Application Platform
94
7.2.3Soldering Conditions and Temperature
7.2.3.1Reflow Profile
Page 87 of 105
Figure 35: Reflow Profile
Table 29: Reflow temperature ratings
1
Profile FeaturePb-Free Assembly
Preheat & Soak
Temperature Minimum (T
Temperature Maximum (T
Time (t
Smin
to t
Smax
) (tS)
Average ramp up rate (T
Liquidous temperature (T
Time at liquidous (t
)
L
Peak package body temperature (T
Time (t
temperature (T
) within 5 °C of the peak package body
P
)
P
Average ramp-down rate (T
Smin
Smax
)
)
150°C
200°C
60-120 seconds
to TP)3K/second max.
Smax
)
L
217°C
60-90 seconds
)245°C +0/-5°C
P
30 seconds max.
to T
P
)TBD.
Smax
Time 25°C to maximum temperature8 minutes max.
1.
Please note that the reflow profile features and ratings listed above are based on the joint industry
standard IPC/JEDEC J-STD-020D.1, and are as such meant as a general guideline. For more information on reflow profiles and their optimization please refer to [3].
7.2 Mounting PLS8-X/PLS8-V onto the Application Platform
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7.2.3.2Maximum Temperature and Duration
The following limits are recommended for the SMT board-level soldering process to attach the
module:
•A maximum module temperature of 245°C. This specifies the temperature as measured at
the module’s top side.
•A maximum duration of 30 seconds at this temperature.
Please note that while the solder paste manufacturers' recommendations for best temperature
and duration for solder reflow should generally be followed, the limits listed above must not be
exceeded.
PLS8-X/PLS8-V is specified for one soldering cycle only. Once PLS8-X/PLS8-V is removed
from the application, the module will very likely be destroyed and cannot be soldered onto another application.
7.2 Mounting PLS8-X/PLS8-V onto the Application Platform
94
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7.2.4Durability and Mechanical Handling
7.2.4.1Storage Life
PLS8-X/PLS8-V modules, as delivered in tape and reel carriers, must be stored in sealed, moisture barrier anti-static bags. The shelf life in a sealed moisture bag is an estimated 12 months.
However, such a life span requires a non-condensing atmospheric environment, ambient temperatures below 40°C and a relative humidity below 90%. Additional storage conditions are listed in Table 22.
7.2.4.2Processing Life
PLS8-X/PLS8-V must be soldered to an application within 72 hours after opening the moistu re
barrier bag (MBB) it was stored in.
As specified in the IPC/JEDEC J-STD-033 Standard, the manufacturing site processing the
modules should have ambient temperatures below 30°C and a relative humidity below 60%.
7.2.4.3Baking
Baking conditions are specified on the moisture sensitivity label attached to each MBB (see
Figure 40 for details):
•It is not necessary to bake PLS8-X/PLS8-V, if the conditions specified in Section 7.2.4.1
and Section 7.2.4.2 were not exceeded.
•It is necessary to bake PLS8-X/PLS8-V, if any condition specified in Section 7.2.4.1 and
Section 7.2.4.2 was exceeded.
If baking is necessary, the modules must be put into trays that can be b aked to at least 125°C.
Devices should not be baked in tape and reel carriers at any temperature.
7.2.4.4Electrostatic Discharge
Electrostatic discharge (ESD) may lead to irreversible damage for the module. It is therefore
advisable to develop measures and methods to counter ESD and to use these to control the
electrostatic environment at manufacturing sites.
Please refer to Section 6.9 for further information on electrostatic discharge.
The single-feed tape carrier for PLS8-X/PLS8-V is illustrated in Figure 36. The figure also
shows the proper part orientation. The tape width is 44mm and the PLS8-X/PLS8-V modules
are placed on the tape with a 40mm pitch. The reels are 330mm in diameter with 100mm hubs.
Each reel contains 500 modules.
PLS8-X/PLS8-V is distributed in tape and reel carriers. The tape and reel carriers used to distribute PLS8-X/PLS8-V are packed as described below, including the following required shipping materials:
•Moisture barrier bag, including desiccant and humidity indicator card
•Transportation bag
7.3.2.1Moisture Barrier Bag
The tape reels are stored inside a moisture barrier bag (MBB), t ogether with a humidity in dicator card and desiccant pouches - see Figure 39. The bag is ESD protected and delimits mois-
ture transmission. It is vacuum-sealed and should be handled carefully to avoid puncturing or
tearing. The bag protects the PLS8-X/PLS8-V modules from moisture exposure. It should not
be opened until the devices are ready to be soldered onto the application.
Figure 39: Moisture barrier bag (MBB) with imprint
The label shown in Figure 40 summarizes requirements regarding moisture sensitivity, including shelf life and baking requirements. It is attached to the outside of the moisture barrier bag.
MBBs contain one or more desiccant pouches to absorb moisture that may be in the bag. The
humidity indicator card described below should be used to determine whether the enclosed
components have absorbed an excessive amount of moisture.
The desiccant pouches should not be baked or reused once removed from the MBB.
The humidity indicator card is a moisture indicator and is included in the MBB to show the ap-
proximate relative humidity level within the bag. A sample humidity card is shown in Figure 41.
If the components have been exposed to moisture above the recommended limits, the units will
have to be rebaked.
Figure 41: Humidity Indicator Card - HIC
A baking is required if the humidity indicator inside the bag indicates 10% RH or more.
7.3.2.2Transportation Box
Tape and reel carriers are distributed in a box, marked with a barcode label for identification
purposes. A box contains 2 reels with 500 modules each.
Figure 42 shows a typical example of how to integrate an PLS8-X/PLS8-V module wit h a n a p-
plication.
The PWR_IND line is an open collector that needs an external pull-up resistor which connects
to the voltage supply VCC µC of the microcontroller. Low state of the open collector pulls the
PWR_IND signal low and indicates that the PLS8-X/PLS8-V module is active, high level n otifies
the Power Down mode.
If the module is in Power Down mode avoid current flowing from any other source into the module circuit, for example reverse current from high state external control lines. Therefore, the
controlling application must be designed to prevent reverse flow.
While developing SMT applications it is strongly recommended to provide test points
for certain signals, i.e., lines to and from the module - for debug and/or test purposes.
The SMT application should allow for an easy access to these signals. For details on
how to implement test points see [3].
The EMC measures are best practice recommendations. In fact, an adequate EMC strategy for
an individual application is very much determined by the overall layout and, especially, the position of components.
Some LGA pads are connected to clocks or high speed data streams that might interfere with
the module’s antenna. The RF receiver would then be blocked at certain frequencies (self interference). The external application’s PCB tracks connected to these pads should therefore
be well shielded or kept away from the antenna. This applies especially to the USB and UICC/
SIM interfaces.
Depending on the micro controller used by an external application PLS8-X/PLS8-V‘s digital input and output lines may require level conversion. Section 8.1 shows a possible sample level
conversion circuit.
Disclaimer:
No warranty, either stated or implied, is provided on the sample schematic diagram shown in
Figure 42 and the information detailed in this section. As functionality and compliance with na-
tional regulations depend to a great amount on the used electronic components and the individual application layout manufacturers are required to ensure adequate design and operating
safeguards for their products using PLS8-X/PLS8-V modules.
Depending on the micro controller used by an external application PLS8-X/PLS8-V‘s digital input and output lines (i.e., ASC0 lines) may require level conversion. The following Figure 43
shows a sample circuit with recommended level shifters for an external application‘s micro controller (with VLOGIC between 3.0V...3.6V). The level shifters can be used for digital input and
output lines with V
The Gemalto M2M reference setup submitted to type approve PLS8-X/PLS8-V is shown in Fig-
ure 44. The module (i.e., the evaluation module) is connected to t he DSB75 by means of a flex
cable and a special DSB75 adapter. The GSM/UMTS/LTE test equipment is connected via
edge mount SMA connectors soldered to the module’s antenna pads.
For ESD tests and evaluation purposes, it is also possible connect the module to the GSM/
UMTS/LTE test equipment through an SMA-to-Hirose-U.FL antenna cable and the SMA ante nna connectors of the DSB75 adapter.
A further option is to mount the evaluation module directly onto the DSB75 adapter’s 80-pin
board-to-board connector and to connect the test equipment as shown below.
9.2 Compliance with FCC and IC Rules and Regulations
100
Page 99 of 105
9.2Compliance with FCC and IC Rules and Regulations
The Equipment Authorization Certification for the Gemalto M2M modules refere nce application
described in Section 9.1 will be registered under the following identifiers:
•PLS8-X:
FCC Identifier 2ALQBKC220
Industry Canada Certification Number: 4228A-KC220
Granted to KONE CORPORATION
Manufacturers of mobile or fixed devices incorporating PLS8-X/PLS8-V modules are authorized to use the FCC Grants and Industry
for their own final products according to the conditions referenced in these documents. In this
case, the FCC label of the module shall be visible from the outside, or the host device shall
bear a second label stating "Contains FCC ID: 2ALQBKC220" and accordingly “Contains IC: 4228A-KC220“. The integration is limited to fixed or mobile categorised host devices, where
a separation distance between the antenna and any person of min. 20cm can be assured
during normal operating conditions.
Canada Certificates of the PLS8-X/PLS8-V modules
For mobile and fixed operation configurations the antenna gain, including cable loss, must not
exceed the limits listed in the following Table 30 for FCC and IC.
Table 30: Antenna gain limits for FCC and IC
Operational band
Maximum gain in lower operational bands with f< 1GHz
(GSM850, WCDMA BdV, LTE Bd5 / Bd13 / Bd17
Maximum gain in higher operational bands with f=1700MHz
(WCDMA BdIV, LTE Bd4)
Maximum gain in higher operational bands with f=1900MHz
(GSM1900, WCDMA BdII, LTE Band 2)
1.
Please note that the listed frequency bands apply as follows:
PLS8-X: LTE: Bd 2, 4, 5, 13 and 17; WCDMA Bd II, IV and V; GSM 850/1900MHz
PLS8-V: LTE: Bd 2, 4 and 13
1
FCC limitIC limitUnit
3.250.16dBi
5.55.5dBi
2.512.51dBi
IMPORTANT:
Manufacturers of portable applications incorporating PLS8-X/PLS8-V modules ar e required to
have their final product certified and apply for their own FCC Grant and Industry Canada Certificate related to the specific portable mobile. This is mandatory to meet the SAR requirements
for portable mobiles (see Section 1.4 for detail).
Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
9.2 Compliance with FCC and IC Rules and Regulations
100
Page 100 of 105
Note: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules and with Industry Canada licence-exempt RSS
standard(s). These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
•Consult the dealer or an experienced radio/TV technician for help.
This Class B digital apparatus complies with Canadian ICES-003.
If Canadian approval is requested for devices incorporating PLS8-X/PLS8-V modules the
above note will have to be provided in the English and French language in the final user documentation. Manufacturers/OEM Integrators must ensure that the final user documentation does
not contain any information on how to install or remove the module from the final product.
PLS8-X_PLS8-V_HD_v03.0162015-12-09
Confidential / Released
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