Telit Wireless Solutions HE910-EUG V2, HE910-EU V2, HE910-NA V2, HE910-NAG V2 Hardware User's Manual

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
Notice
While reasonable efforts have been made to assure the accuracy of this document, Telit assumes no liability resulting from any inaccuracies or omissions in this document, or from use of the information obtained herein. The information in this document has been carefully checked and is believed to be entirely reliable. However, no responsibility is assumed for inaccuracies or omissions. Telit reserves the right to make changes to any products described herein and reserves the right to revise this document and to make changes from time to time in content hereof with no obligation to notify any person of revisions or changes. Telit does not assume any liability arising out of the application or use of any product, software, or circuit described herein; neither does it convey license under its patent rights or the rights of others.
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Components, units, or third-party products used in the product described herein are NOT fault-tolerant and are NOT designed, manufactured, or intended for use as on-line control equipment in the following hazardous environments requiring fail-safe controls: the operation of Nuclear Facilities, Aircraft Navigation or Aircraft Communication Systems, Air Traffic Control, Life Support, or Weapons Systems (High Risk Activities"). Telit and its supplier(s) specifically disclaim any expressed or implied warranty of fitness for such High Risk Activities.
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Copyright © Telit Communications S.p.A. 2013.
Contents
4.2.2. Hardware Shutdown
The aim of this document is the description of some hardware solutions useful for developing a product with the Telit HE910-EU/EUG V2 HE910-NA/NAG V2 module. All the features and solutions detailed are applicable to all HE910 V2, whereas “HE910 V2” is intended the modules listed in the applicability table.
When a specific feature is applicable to a specific product, it will be clearly highlighted.
This document is intended for Telit customers who are about to implement their applications using our HE910 V2 modules.
For general contact, technical support, to report documentation errors and to order manuals, contact Telit Technical Support Center (TTSC) at:
TS-EMEA@telit.com TS-NORTHAMERICA@telit.com TS-LATINAMERICA@telit.com TS-APAC@telit.com
Alternatively, use:
http://www.telit.com/en/products/technical-support-center/contact.php
For detailed information about where to buy the Telit modules or for recommendations on accessories and components visit:
http://www.telit.com
To register for product news and announcements or for product questions contact Telit Technical Support Center (TTSC).
Our aim is to make this guide as helpful as possible. Please keep us informed of comments and suggestions for improvements.
Telit appreciates feedback from the users of our information.
This document contains the following chapters:
Chapter 1: “Introduction” provides a scope for this document, target audience, contact and
support information, and text conventions.
Chapter 2: “General Product Description” gives an overview of the features of the product. Chapter 3: “HE910 V2 Module Connections deals with the pin out configuration and layout. Chapter 4: “Hardware Commands” How to operate the module via hardware. Chapter 5: “Power supply Power supply requirements and general design rules. Chapter 6: “Antenna” The antenna connection and board layout design are the most important
parts in the full product design.
Chapter 7: “USB Port” The USB port on the Telit HE910 V2 is the core of the interface
between the module and OEM hardware.
Chapter 8: “Serial ports” Refers to the serial ports of the Telit HE910 V2. Chapter 9: “Audio Section overview” Refers to the audio blocks of the Base Band Chip of the
HE910 V2 Telit Module.
Chapter 10: “General Purpose I/O” How the general purpose I/O pads can be configured. Chapter 11: “DAC and ADC section Deals with these two kinds of converters. Chapter 12: “Mounting the Module on the application board Mechanical dimensions and
recommendations on how to mount the module on the user’s board.
Chapter 13: “Packing System Deals with packing system. Chapter 14: “Application Design Guide Deals with the application design of host system. Chapter 15: “Conformity Assessment Issues” provides some fundamental hints about the
conformity assessment that the final application might need.
Chapter 16: “Safety Recommendation provides some safety recommendations that must be
followed by the customer in the design of the application that makes use of the Telit HE910 V2.
Chapter 17: “Document History
Danger – This information MUST be followed or catastrophic equipment failure or bodily injury may occur.
Caution or Warning – Alerts the user to important points about integrating the module. If these points are not followed, the module and end user equipment may fail or malfunction.
Tip or Information – Provides advice and suggestions that may be useful when integrating the module.
All dates are in ISO 8601 format, i.e. YYYY-MM-DD.
HE910 V2 Product Description, 80418ST10602A HE910 V2 Software User guide, 1vv0301071 HE910 V2 AT command reference guide, 80428ST10592A HE910 V2 Digital Voice Interface Application Note, 80000NT10101A Telit EVK2 User Guide, 1vv0300704
The aim of this document is the description of some hardware solutions useful for developing a product with the Telit HE10 V2 module.
In this document all the basic functions of a mobile phone will be taken into account; for each one of them a proper hardware solution will be suggested and eventually the wrong solutions and common errors to be avoided will be evidenced. Obviously this document cannot embrace the whole hardware solutions and products that may be designed. The wrong solutions to be avoided must be considered as mandatory, while the suggested hardware configurations must not be considered mandatory, instead the information given must be used as a guide and a starting point for properly developing your product with the Telit HE10 V2 module.
NOTE:
The integration of the GSM/GPRS/EGPRS/WCDMA/HSPA+ HE910 V2 cellular module within user application must be done according to the design rules described in this manual.
The information presented in this document is believed to be accurate and reliable. However, no responsibility is assumed by Telit Communication S.p.A. for its use, such as any infringement of patents or other rights of third parties. No license is granted by implication or otherwise under any patent rights of Telit Communication S.p.A. other than for circuitry embodied in Telit products. This document is subject to change without notice.
HE910 V2 Variants
Variant name
Upload
Download
Frequencies
Features
HSUPA
(Mbps)
HSDPA
(Mbps)
UMTS/HSPA+
bands(MHz)
GSM/GPRS/EDGE
Quad-band
Data
Voice
GPS
EMEA/APAC/Latin American markets
HE910-EU V2
5.76
14.4
900, 2100
■ ■
HE910-EUG V2
5.76
14.4
900, 2100
■ ■ ■
North American markets
HE910-NA V2
5.76
14.4
850, 1900
■ ■
HE910-NAG V2
5.76
14.4
850, 1900
■ ■ ■
The Telit HE910 V2 module overall dimensions are:
Length: 28.2 mm
Width: 28.2 mm
Thickness: 2.2 mm
The module weight of HE910 V2 is about 4.0 gram.
Operating Temperature Range
–40°C ~ +85°C
Storage and non-operating
Temperature Range
40°C ~ +90°C
As a part of Telit’s corporate policy of environmental protection, the HE910 V2 complies
with the RoHS (Restriction of Hazardous Substances) directive of the European Union (EU directive 2011/65/EU).
The operating frequencies in GSM850, EGSM900, DCS1800, PCS1900, WCDMA modes are conformed to the 3GPP specifications.
Mode
Freq. TX (MHz)
Freq. RX (MHz)
Channels
TX - RX offset
GSM850
824.2 ~ 848.8
869.2 ~ 893.8
128 ~ 251
45 MHz
EGSM900
890.0 ~ 914.8
935.0 ~ 959.8
0 ~ 124
45 MHz
880.2 ~ 889.8
925.2 ~ 934.8
975 ~ 1023
45 MHz
DCS1800
1710.2 ~ 1784.8
1805.2 ~ 1879.8
512 ~ 885
95MHz
PCS1900
1850.2 ~ 1909.8
1930.2 ~ 1989.8
512 ~ 810
80MHz
WCDMA850
(HE910-NA/NAG
V2 only)
826.4 ~ 846.6
871.4 ~ 891.6
Tx: 4132 ~ 4233 Rx: 4357 ~ 4458
45MHz
WCDMA900
(HE910-EU/EUG
V2 only)
882.4 ~ 912.6
927.4 ~ 957.6
Tx: 2712 ~ 2863 Rx: 2937 ~ 3088
45MHz
WCDMA1900
(HE910-NA/NAG
V2 only)
1852.4 ~ 1907.6
1932.4 ~ 1987.6
Tx: 9262 ~ 9538 Rx: 9662 ~ 9938
80MHz
WCDMA2100
(HE910-EU/EUG
V2 only)
1922.4 ~ 1977.6
2112.4 ~ 2167.6
Tx: 9612 ~ 9888
Rx: 10562 ~ 10838
190MHz
Pin
Signal
I/O
Function
Type
USB HS 2.0 Communication Port
B15
USB_D+
I/O
USB differential Data(+)
C15
USB_D-
I/O
USB differential Data(-)
A13
VBUS
I
Power sense for the internal USB transceiver
5V
Asynchronous UART – Prog. / data +HW Flow Control
N15
C103/TXD
I
Serial data input from DTE
CMOS 1.8V
M15
C104/RXD
O
Serial data output to DTE
CMOS 1.8V
M14
C108/DTR
I
Input for Data terminal ready signal (DTR) from DTE
CMOS 1.8V
L14
C105/RTS
I
Input for Request to send signal (RTS) from DTE
CMOS 1.8V
P15
C106/CTS
O
Output for Clear to send signal (CTS) to DTE
CMOS 1.8V
N14
C109/DCD
O
Output for Data carrier detect signal (DCD) to DTE
CMOS 1.8V
P14
C107/DSR
O
Output for Data set ready signal (DSR) to DTE
CMOS 1.8V
R14
C125/RING
O
Output for Ring indicator signal (RI) to DTE
CMOS 1.8V
Asynchronous Auxiliary UART
D15
TX_AUX
O
Auxillary UART (TX Data to DTE)
CMOS 1.8V
E15
RX_AUX
I
Auxillary UART (RX Data from DTE)
CMOS 1.8V
RUIM Card Interface(*)
A3
SIMVCC
-
External SIM signal - Power supply for the SIM
1.8/2.85V
A4
SIMIN
I
External SIM signal – Presence(active low)
CMOS 1.8V
A5
SIMIO
I/O
External SIM signal – Data I/O
1.8/2.85V
A6
SIMCLK
O
External SIM signal - Clock
1.8/2.85V
A7
SIMRST
O
External SIM signal - Reset
1.8/2.85V
Digital Voice interface (DVI)
B9
DVI_WA0
I/O
Digital Voice interface (WA0)
CMOS 1.8V
B6
DVI_RX
I
Digital Voice interface (RX)
CMOS 1.8V
B7
DVI_TX
O
Digital Voice interface (TX)
CMOS 1.8V
B8
DVI_CLK
I/O
Digital Voice interface (CLK)
CMOS 1.8V
Digital IO
C8
GPIO_01
I/O
GPIO_01 / STAT LED
CMOS 1.8V
C9
GPIO_02
I/O
GPIO_02
CMOS 1.8V
C10
GPIO_03
I/O
GPIO_03
CMOS 1.8V
C11
GPIO_04
I/O
GPIO_04
CMOS 1.8V
B14
GPIO_05
I/O
GPIO_05
CMOS 1.8V
C12
GPIO_06
I/O
GPIO_06
CMOS 1.8V
C13
GPIO_07
I/O
GPIO_07 / DAC_OUT
CMOS 1.8V
K15
GPIO_08
I/O
GPIO_08
CMOS 1.8V
L15
GPIO_09
I/O
GPIO_09
CMOS 1.8V
G15
GPIO_10
I/O
GPIO_10
CMOS 1.8V
ADC Section
B1
ADC_IN1
AI
Analog/Digital converter input
A/D
Pin
Signal
I/O
Function
Type
RF Section
K1
ANTENNA
I/O
CDMA Antenna (50Ohm)
RF
GPS Section
R9
ANT_GPS
I
GPS Antenna (50Ohm)
RF
R7
GPS_LNA_EN
O
Output enable for External LNA supply
CMOS 1.8V
Miscellaneous Function
R13
HW_SHUTDOWN*
I
Hardware unconditional shutdown
CMOS 1.8V
Open collector
R12
ON_OFF*
I
Input Command for Power ON/Software shutdown
CMOS 1.8V
Open collector
C14
VRTC
I
VRTC Backup Capacitor
Power
R11
VAUX/PWRMON
O
Supply Output for external accessories / Power ON Monitor
1.8V
Power Supply
M1
VBATT
-
Main Power Supply (Baseband)
Power
M2
VBATT
-
Main Power Supply (Baseband)
Power
N1
VBATT_PA
-
Main Power Supply (PAM)
Power
N2
VBATT_PA
-
Main Power Supply (PAM)
Power
P1
VBATT_PA
-
Main Power Supply (PAM)
Power
P2
VBATT_PA
-
Main Power Supply (PAM)
Power
E1
GND
-
Ground
G1
GND
-
Ground
H1
GND
-
Ground
J1
GND
-
Ground
L1
GND
-
Ground
A2
GND
-
Ground
E2
GND
-
Ground
F2
GND
-
Ground
G2
GND
-
Ground
H2
GND
-
Ground
J2
GND
-
Ground
K2
GND
-
Ground
L2
GND
-
Ground
R2
GND
-
Ground
M3
GND
-
Ground
N3
GND
-
Ground
P3
GND
-
Ground
R3
GND
-
Ground
D4
GND
-
Ground
M4
GND
-
Ground
N4
GND
-
Ground
P4
GND
-
Ground
R4
GND
-
Ground
N5
GND
-
Ground
P5
GND
-
Ground
R5
GND
-
Ground
N6
GND
-
Ground
Pin
Signal
I/O
Function
Type
P6
GND
-
Ground
R6
GND
-
Ground
P8
GND
-
Ground
R8
GND
Ground
P9
GND
-
Ground
P10
GND
-
Ground
R10
GND
-
Ground
M12
GND
-
Ground
B13
GND
-
Ground
P13
GND
-
Ground
E14
GND
-
Ground
Reserved
C1
Reserved
-
Reserved
D1
Reserved
-
Reserved
B2
Reserved
-
Reserved
C2
Reserved
-
Reserved
D2
Reserved
-
Reserved
B3
Reserved
-
Reserved
C3
Reserved
-
Reserved
D3
Reserved
-
Reserved
E3
Reserved
-
Reserved
F1
Reserved
-
Reserved
F3
Reserved
-
Reserved
G3
Reserved
-
Reserved
H3
Reserved
-
Reserved
J3
Reserved
-
Reserved
K3
Reserved
-
Reserved
L3
Reserved
-
Reserved
B4
Reserved
-
Reserved
C4
Reserved
-
Reserved
B5
Reserved
-
Reserved
C5
Reserved
-
Reserved
C6
Reserved
-
Reserved
C7
Reserved
-
Reserved
N7
Reserved
-
Reserved
P7
Reserved
-
Reserved
A8
Reserved
-
Reserved
N8
Reserved
-
Reserved
A9
Reserved
-
Reserved
N9
Reserved
-
Reserved
A10
Reserved
-
Reserved
B10
Reserved
-
Reserved
B11
Reserved
-
Reserved
N10
Reserved
-
Reserved
A11
Reserved
-
Reserved
N11
Reserved
-
Reserved
P11
Reserved
-
Reserved
Pin
Signal
I/O
Function
Type
A12
Reserved
-
Reserved
B12
Reserved
-
Reserved
D12
Reserved
-
Reserved
N12
Reserved
-
Reserved
P12
Reserved
-
Reserved
D13
Reserved
-
Reserved
E13
Reserved
-
Reserved
F13
Reserved
-
Reserved
G13
Reserved
-
Reserved
H13
Reserved
-
Reserved
J13
Reserved
-
Reserved
K13
Reserved
-
Reserved
L13
Reserved
-
Reserved
M13
Reserved
-
Reserved
N13
Reserved
-
Reserved
A14
Reserved
-
Reserved
D14
Reserved
-
Reserved
F14
Reserved
-
Reserved
G14
Reserved
-
Reserved
H14
Reserved
-
Reserved
J14
Reserved
-
Reserved
K14
Reserved
-
Reserved
F15
Reserved
-
Reserved
H15
Reserved
-
Reserved
J15
Reserved
-
Reserved
WARNING:
Reserved pins must not be connected.
NOTE:
The following table is listing the main Pinout differences between the HE910 V2 variants.
Product
GPS
Notes HE910-EUG V2
Yes
HE910-EU V2
NO
Reserved pads: R7, R9
HE910-NAG V2
Yes
HE910-NA V2
NO
Reserved pads: R7, R9
NOTE:
DTR pin must be connected in order to enter HE910 V2’s power saving mode. RI pin must be connected in order to wake up the host when a call is coming in sleep mode of
host.
NOTE:
Almost all pins not in use must be left disconnected. The only exceptions are the following pins:
PAD
Signal
M1,M2,N1,N2,P1,P2
VBATT&VBATT_PA
E1,G1,H1,J1,L1,A2, E2,F2,G2,H2,J2,K2, L2,R2,M3,N3,P3,R3, D4,M4,N4,P4,R4,N5 ,P5,R5,N6,P6,R6,P8, R8,P9,P10,R10,M12, B13,P13,E14
GND
R12
ON_OFF*
R13
HW_SHUTDOWN*
B15
USB_D+
If not used should be connected to a Test Point
C15
USB_D-
If not used should be connected to a Test Point
A13
VBUS
If not used should be connected to a Test Point
N15
C103/TXD
If not used should be connected to a Test Point
M15
C104/RXD
If not used should be connected to a Test Point
L14
C105/RTS
If the flow control is not used it should be connected to GND
P15
C106/CTS
If not used should be connected to a Test Point
D15
TXD_AUX
If not used should be connected to a Test Point
E15
RXD_AUX
If not used should be connected to a Test Point
K1
Main Antenna
R9
ANT_GPS (If supported by the product)
If the GPS is not used it could be left unconnected
RTS must be connected to the GND (on the module side) if flow control is not used. The above pins are also necessary to debug the application when the module is assembled on
it so we recommend connecting them also to dedicated test point.
NOTE:
The pin defined as RES must be considered RESERVED and not connected on any pin in the application. The related area on the application has to be kept empty.
NOTE:
The pin defined as RES must be considered RESERVED and not connected on any pin in the application. The related area on the application has to be kept empty.
To turn on the HE910 V2, the pad ON_OFF* must be tied low for at least 1 second and then released.
The maximum current that can be drained from the ON_OFF* pad is 0.1 mA. A simple circuit to power on the module is illustrated below:
Upon turning on HE910 V2 module, the HE910 V2 module is not active yet because the boot sequence of HE910 V2 is still executing internally. It takes about 10 seconds to complete the initialization of the module internally.
For this reason, it would be useless to try to access HE910 V2 during the Initialization state as below. The HE910 V2 module needs at least 10 seconds after the PWRMON goes High to become operational by reaching the activation state.
During the Initialization state, any kind of AT-command is not available. DTE must wait for the Activation state to communicate with HE910 V2.
To check if the HE910 V2 has powered on, the hardware line PWRMON must be monitored. When PWRMON goes high, the module has powered on.
NOTE:
Do not use any pull up resistor on the ON_OFF* line. It is pulled up internally. Using a pull up resistor may bring latch up problems on the HE910 V2 power regulator and improper power on/off of the module. The line ON_OFF* must be connected only in open collector configuration.
NOTE:
In this document all the lines are inverted. Active low signals are labeled with a name that ends with "*" or with a bar over the name.
NOTE:
In order to avoid a back powering effect it is recommended to avoid having any HIGH logic level signal applied to the digital pins of the HE910 V2 module when the module is powered OFF or during an ON/OFF transition.
For example:
1. To drive the ON_OFF* pad with a totem pole output of a +3/5 V microcontroller
(uP_OUT1):
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