Sierra Wireless HL7618 User Manual

Product Technical Specification
AirPrime HL7618
December 02, 2015
Product Technical Specification
Due to the nature of wireless communications, transmission and reception of data can never be guaranteed. Data may be delayed, corrupted (i.e., have errors) or be totally lost. Although significant delays or losses of data are rare when wireless devices such as the Sierra Wireless modem are used in a normal manner with a well-constructed network, the Sierra Wireless modem should not be used in situations where failure to transmit or receive data could result in damage of any kind to the user or any other party, including but not limited to personal injury, death, or loss of property. Sierra Wireless accepts no responsibility for damages of any kind resulting from delays or errors in data transmitted or received using the Sierra Wireless modem, or for failure of the Sierra Wireless modem to transmit or receive such data.
Safety and Hazards
Do not operate the Sierra Wireless modem in areas where cellular modems are not advised without proper device certifications. These areas include environments where cellular radio can interfere such as explosive atmospheres, medical equipment, or any other equipment which may be susceptible to any form of radio interference. The Sierra Wireless modem can transmit signals that could interfere with this equipment. Do not operate the Sierra Wireless modem in any aircraft, whether the aircraft is on the ground or in flight. In aircraft, the Sierra Wireless modem MUST BE POWERED OFF. When operating, the Sierra Wireless modem can transmit signals that could interfere with various onboard systems.
Note: Some airlines may permit the use of cellular phones while the aircraft is on the ground and the door
The driver or operator of any vehicle should not operate the Sierra Wireless modem while in control of a vehicle. Doing so will detract from the driver or operator’s control and operation of that vehicle. In some states and provinces, operating such communications devices while in control of a vehicle is an offence.
is open. Sierra Wireless modems may be used at this time.
Limitations of Liability
This manual is provided “as is”. Sierra Wireless makes no warranties of any kind, either expressed or implied, including any implied warranties of merchantability, fitness for a particular purpose, or noninfringement. The recipient of the manual shall endorse all risks arising from its use.
The information in this manual is subject to change without notice and does not represent a commitment on the part of Sierra Wireless. SIERRA WIRELESS AND ITS AFFILIATES SPECIFICALLY DISCLAIM LIABILITY FOR ANY AND ALL DIRECT, INDIRECT, SPECIAL, GENERAL, INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR EXEMPLARY DAMAGES INCLUDING, BUT NOT LIMITED TO, LOSS OF PROFITS OR REVENUE OR ANTICIPATED PROFITS OR REVENUE ARISING OUT OF THE USE OR INABILITY TO USE ANY SIERRA WIRELESS PRODUCT, EVEN IF SIERRA WIRELESS AND/OR ITS AFFILIATES HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR THEY ARE FORESEEABLE OR FOR CLAIMS BY ANY THIRD PARTY.
Notwithstanding the foregoing, in no event shall Sierra Wireless and/or its affiliates aggregate liability arising under or in connection with the Sierra Wireless product, regardless of the number of events, occurrences, or claims giving rise to liability, be in excess of the price paid by the purchaser for the Sierra Wireless product.
Customer understands that Sierra Wireless is not providing cellular or GPS (including A-GPS) services. These services are provided by a third party and should be purchased directly by the Customer.
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Product Technical Specification
SPECIFIC DISCLAIMERS OF LIABILITY: CUSTOMER RECOGNIZES AND ACKNOWLEDGES SIERRA WIRELESS IS NOT RESPONSIBLE FOR AND SHALL NOT BE HELD LIABLE FOR ANY DEFECT OR DEFICIENCY OF ANY KIND OF CELLULAR OR GPS (INCLUDING A-GPS) SERVICES.
Patents
This product may contain technology developed by or for Sierra Wireless Inc.
®
This product includes technology licensed from QUALCOMM
This product is manufactured or sold by Sierra Wireless Inc. or its affiliates under one or more patents licensed from InterDigital Group and MMP Portfolio Licensing.
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Copyright
© 2015 Sierra Wireless. All rights reserved.
Trademarks
Sierra Wireless®, AirPrime®, AirLink®, AirVantage®, WISMO®, ALEOS® and the Sierra Wireless and Open AT logos are registered trademarks of Sierra Wireless, Inc. or one of its subsidiaries.
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Windows
Macintosh countries.
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Other trademarks are the property of their respective owners.
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is a registered trademark of NETGEAR, Inc., used under license.
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and Windows Vista® are registered trademarks of Microsoft Corporation.
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and Mac OS X® are registered trademarks of Apple Inc., registered in the U.S. and other
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Contact Information
Phone: 1-604-232-1488
Sales Desk:
Post:
Technical Support:
RMA Support:
Web:
Hours: 8:00 AM to 5:00 PM Pacific Time
Contact:
Sierra Wireless 13811 Wireless Way Richmond, BC Canada V6V 3A4
support@sierrawireless.com
repairs@sierrawireless.com
Fax: 1-604-231-1109
http://www.sierrawireless.com/
http://www.sierrawireless.com/sales
Consult our website for up-to-date product descriptions, documentation, application notes, firmware upgrades, troubleshooting tips, and press releases: www.sierrawireless.com
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Product Technical Specification
Document History
Version Date Updates
1.0 August 14, 2015 Creation
Added:
2.12 Analog to Digital Converter (ADC1)  2.15.3 TX_ON Indicator (TX_ON)  Error! Reference source not found. Error! Reference source
not found.
Error! Reference source not found. Error! Reference source
not found.
Updated:
Table 2 AirPrime HL7618 Features  Figure 1 AirPrime HL7618 Architecture Overview
2.0 December 02, 2015
Figure 2 AirPrime HL7618 Mechanical Overview (Top View and
Bottom View)
Table 3 ESD Specifications  Table 5 Regulation Compliance  Error! Reference source not found. Error! Reference source
not found.
2.2 Current Consumption (TBC)  3 Mechanical Drawings  4 FCC Legal Information  Error! Reference source not found. Error! Reference source
not found.
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Contents
1.INTRODUCTION .................................................................................................... 9
1.1. Common Flexible Form Factor (CF3) ............................................................................... 9
1.2. Physical Dimensions ....................................................................................................... 9
1.3. General Features .......................................................................................................... 10
1.4. Architecture ................................................................................................................... 11
1.5. Interfaces ...................................................................................................................... 12
1.6. Connection Interface ..................................................................................................... 12
1.7. ESD .............................................................................................................................. 13
1.8. Environmental and Certifications ................................................................................... 13
1.8.1. Environmental Specifications ................................................................................. 13
1.8.2. Regulatory ............................................................................................................. 14
1.8.3. RoHS Directive Compliant ..................................................................................... 14
1.8.4. Disposing of the Product ........................................................................................ 14
1.9. References .................................................................................................................... 14
2.DETAILED INTERFACE SPECIFICATIONS ....................................................... 15
2.1. Power Supply ................................................................................................................ 15
2.2. Current Consumption (TBC) .......................................................................................... 15
2.3. VGPIO ........................................................................................................................... 16
2.4. BAT_RTC ...................................................................................................................... 1 6
2.5. SIM Interface ................................................................................................................. 17
2.5.1. UIM1_DET ............................................................................................................. 17
2.6. USB .............................................................................................................................. 18
2.7. Electrical Information for Digital I/O ............................................................................... 18
2.8. General Purpose Input/Output (GPIO) .......................................................................... 19
2.9. Main Serial Link (UART1) .............................................................................................. 19
2.10. POWER-ON Signal (PWR_ON_N) ................................................................................ 20
2.11. Reset Signal (RESET_IN_N) ........................................................................................ 20
2.12. Analog to Digital Converter (ADC1) ............................................................................... 21
2.13. Clock Interface .............................................................................................................. 2 2
2.14. Debug Interfaces ........................................................................................................... 22
2.14.1.Trace Debug .......................................................................................................... 22
2.14.2.JTAG ...................................................................................................................... 22
2.15. RF Interface .................................................................................................................. 23
2.15.1.RF Connection ....................................................................................................... 23
2.15.2.RF Performances ................................................................................................... 23
2.15.3.TX_ON Indicator (TX_ON) ..................................................................................... 24
3.MECHANICAL DRAWINGS ................................................................................. 25
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Product Technical Specification
4.FCC LEGAL INFORMATION ............................................................................... 28
5.TERMS AND ABBREVIATIONS .......................................................................... 30
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List of Figures
Figure 1. AirPrime HL7618 Architecture Overview ....................................................................... 11
Figure 2. AirPrime HL7618 Mechanical Overview (Top View and Bottom View) .......................... 12
Figure 3. TX_ON State During Transmission ............................................................................... 24
Figure 4. AirPrime HL7618 Mechanical Drawing .......................................................................... 25
Figure 5. AirPrime HL7618 Dimensions Drawing ......................................................................... 26
Figure 6. AirPrime HL7618 Footprint ............................................................................................ 27
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List of Tables
Table 1. Supported Bands/Connectivity ........................................................................................ 9
Table 2. AirPrime HL7618 Features ............................................................................................ 10
Table 3. ESD Specifications ........................................................................................................ 13
Table 4. AirPrime HL7618 Environmental Specifications ............................................................ 13
Table 5. Regulation Compliance ................................................................................................. 14
Table 6. Power Supply ................................................................................................................ 15
Table 7. Current Consumption .................................................................................................... 15
Table 8. Current Consumption per Power Supply ....................................................................... 15
Table 9. VGPIO Electrical Characteristics ................................................................................... 16
Table 10. BAT_RTC Electrical Characteristics .............................................................................. 16
Table 11. UIM1 Pad Description ................................................................................................... 17
Table 12. Electrical Characteristics of UIM1.................................................................................. 17
Table 13. USB Pad Description .................................................................................................... 18
Table 14. Digital I/O Electrical Characteristics .............................................................................. 18
Table 15. GPIO Pad Description ................................................................................................... 19
Table 16. UART1 Pad Description ................................................................................................ 19
Table 17. PWR_ON_N Electrical Characteristics .......................................................................... 20
Table 18. RESET_IN_N Electrical Characteristics ........................................................................ 21
Table 19. ADC Interface Pad Description ..................................................................................... 21
Table 20. ADC Electrical Characteristics ...................................................................................... 21
Table 21. Clock Interface Pad Description .................................................................................... 22
Table 22. Trace Debug Pad Description ....................................................................................... 22
Table 23. JTAG Pad Description ................................................................................................... 22
Table 24. RF Main Connection ..................................................................................................... 23
Table 25. RF Diversity Connection ............................................................................................... 23
Table 26. Conducted RX Sensitivity (dBm) ................................................................................... 23
Table 27. TX_ON Indicator Pad Description ................................................................................. 24
Table 28. TX_ON Characteristics ................................................................................................. 24
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1. Introduction
This document is the Product Technical Specification for the AirPrime HL7618 Embedded Module. It defines the high level product features and illustrates the interfaces for these features. This document is intended to cover the hardware aspects of the product, including electrical and mechanical.
The AirPrime HL7618 belongs to the AirPrime HL Series from Essential Connectivity Module family. These are industrial grade Embedded Wireless Modules that provides data connectivity on LTE networks (as listed in Table 1 Supported Bands/Connectivity).
The HL7618 supports a large variety of interfaces such as USB 2.0, UART, GPIOs and dual SIM to provide customers with the highest level of flexibility in implementing high-end solutions.
Table 1. Supported Bands/Connectivity
RF Band Transmit band (Tx) Receive band (Rx) Maximum Output Power
LTE B4 1710 to 1755 MHz 2110 to 2155 MHz 23dBm ± 2dBm
LTE B13 777 to 787 MHz 746 to 756 MHz 23dBm ± 2dBm
1.1. Common Flexible Form Factor (CF3)
The AirPrime HL7618 belongs to the Common Flexible Form Factor (CF3) family of modules. This family consists of a series of WWAN modules that share the same mechanical dimensions (same width and length with varying thicknesses) and footprint. The CF solution to a series of problems faced commonly in the WWAN module space as it:
Accommodates multiple radio technologies (from 2G to LTE advanced) and band groupings
Supports bit-pipe (Essential Module Series) and value add (Smart Module Series) solutions
Offers electrical and functional compatibility
Provides Direct Mount as well as Socketability depending on customer needs
3
form factor provides a unique
1.2. Physical Dimensions
AirPrime HL7618 modules are compact, robust, fully shielded modules with the following dimensions:
Length: 23 mm
Width: 22 mm
Thickness: 2.5 mm
Weight: 3.5 g
Note: Dimensions specified above are typical values.
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Product Technical Specification Introduction
1.3. General Features
The table below summarizes the AirPrime HL7618 features.
Table 2. AirPrime HL7618 Features
Feature Description
Small form factor (146-pad solderable LGA pad) – 23mm x 22mm x
2.5mm (nominal)
Physical
Electrical Single or double supply voltage (VBATT and VBATT_PA) – 3.2V – 4.5V
RF Dual-band LTE (AWS (B4), 700 MHz (B13))
SIM interface
Application interface
Protocol Stack
SMS
Complete body shielding
RF connection pads (RF main interface)
Baseband signals connection
Dual SIM Single Standby (DSSS)
1.8V/3V support
SIM extraction / hot plug detection
SIM/USIM support
Conforms with ETSI UICC Specifications.
Supports SIM application tool kit with proactive SIM commands
NDIS NIC interface support (Windows 7, Windows 8, Linux)
MBIM support
Multiple non-multiplexed USB channel support
Dial-up networking
USB selective suspend to maximize power savings
CMUX multiplexing over UART
AT command interface – 3GPP 27.007 standard, plus proprietary
extended AT commands
Single mode LTE operation:
LTE FDD, bandwidth 1.4-20 MHz
System Release: 3GPP Rel. 9
Category 1 (up to 10 Mbit/s in downlink, 5 Mbit/s in uplink)
Max modulation 64 QAM DL, 16 QAM UL
Intra-frequency and inter-frequency mobility
SON ANR
Public Warning System PWS
SMS over SGs and IMS
SMS MO and MT
SMS saving to SIM card or ME storage
SMS reading from SIM card or ME storage
SMS sorting
SMS concatenation
SMS Status Report
SMS replacement support
SMS storing rules (support of AT+CNMI, AT+CNMA)
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Product Technical Specification Introduction
Feature Description
Multiple (up to 20) cellular packet data profiles
Sleep mode for minimum idle power draw
Mobile-originated PDP context activation / deactivation
Support QoS profile
Release 97 – Precedence Class, Reliability Class, Delay Class, Peak
Throughput, Mean Throughput
Connectivity
Operating temperature ranges (industrial grade):
Environmental
RTC Real Time Clock (RTC) with calendar
Release 99 QoS negotiation – Background, Interactive, and
Streaming
Static and Dynamic IP address. The network may assign a fixed IP
address or dynamically assign one using DHCP (Dynamic Host Configuration Protocol).
Supports PAP and CHAP authentication protocols
PDP context type (IPv4, IPv6, IPv4v6). IP Packet Data Protocol context
RFC1144 TCP/IP header compression
Class A: -30°C to +70°C
Class B: -40°C to +85°C
1.4. Architecture
The figure below presents an overview of the AirPrime HL7618 internal architecture and external interfaces.
Figure 1. AirPrime HL7618 Architecture Overview
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Product Technical Specification Introduction
1.5. Interfaces
The AirPrime HL7618 module provides the following interfaces and peripheral connectivity:
1x - 8-wire UART
1x - Active Low RESET
1x - USB 2.0
1x - Backup Battery Interface
2x - System Clock Out
1x - Active Low POWER-ON
1x - 1.8V/3V SIM
1x - JTAG Interface
12x - GPIOs (2 of which have multiplexes)
1x - Main Antenna
1x - RX Diversity
1x - VGPIO
1x - TX ON
1x - ADC
1x - Debug Interface
1.6. Connection Interface
The AirPrime HL7618 module is an LGA form factor device. All electrical and mechanical connections are made through the 146 Land Grid Array (LGA) pads on the bottom side of the PCB.
Figure 2. AirPrime HL7618 Mechanical Overview (Top View and Bottom View)
The 146 pads have the following distribution:
66 inner signal pads, 1x0.5mm, pitch 0.8mm
1 reserved test point (do not connect), 1.0mm diameter
7 test point (JTAG), 0.8mm diameter, 1.20mm pitch
64 inner ground pads, 1.0x1.0mm, pitch 1.825mm/1.475mm
4 inner corner ground pads, 1x1mm
4 outer corner ground pads, 1x0.9mm
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Product Technical Specification Introduction
1.7. ESD
Refer to the following table for ESD Specifications.
Note: Information specified in the following table is preliminary and subject to change.
Table 3. ESD Specifications
Category Connection Specification
Operational RF ports IEC-61000-4-2 — Level (Electrostatic Discharge Immunity Test)
Unless otherwise specified:
Non-operational
Signals
Host connector interface
SIM connector
Other host signals
JESD22-A114 +/- 1kV Human Body Model
JESD22-A115 +/- 200V Machine Model
JESD22-C101C +/- 250V Charged Device Model
Adding ESD protection is highly recommended at the point where the USIM contacts are exposed, and for any other signals that would be subjected to ESD by the user.
1.8. Environmental and Certifications
1.8.1. Environmental Specifications
The environmental specification for both operating and storage conditions are defined in the table below.
Table 4. AirPrime HL7618 Environmental Specifications
Conditions Range
Operating Class A -30°C to +70°C
Operating Class B -40°C to +85°C
Storage -40°C to +85°C
Class A is defined as the operating temperature ranges that the device:
Shall exhibit normal function during and after environmental exposure.
Shall meet the minimum requirements of 3GPP or appropriate wireless standards.
Class B is defined as the operating temperature ranges that the device:
Shall remain fully functional during and after environmental exposure
Shall exhibit the ability to establish an SMS or DATA call (emergency call) at all times even
when one or more environmental constraint exceeds the specified tolerance.
Unless otherwise stated, full performance should return to normal after the excessive
constraint(s) have been removed.
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Product Technical Specification Introduction
1.8.2. Regulatory
The AirPrime HL7618 is compliant with FCC regulations.
FCC compliance will be reflected on the AirPrime HL7618 label.
Table 5. Regulation Compliance
Document Current Version Title
GCF-CC v3.59.0 or later GCF Conformance Certification Criteria
FCC Part 27 NA Miscellaneous wireless communication services
1.8.3. RoHS Directive Compliant
The AirPrime HL7618 module is compliant with RoHS Directive 2011/65/EU which sets limits for the use of certain restricted hazardous substances. This directive states that “from 1st July 2006, new electrical and electronic equipment put on the market does not contain lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB) or polybrominated diphenyl ethers (PBDE)”.
1.8.4. Disposing of the Product
This electronic product is subject to the EU Directive 2012/19/EU for Waste Electrical and Electronic Equipment (WEEE). As such, this product must not be disposed of at a municipal waste collection point. Please refer to local regulations for directions on how to dispose of this product in an environmental friendly manner.
1.9. References
[1] AirPrime HL Series Customer Process Guidelines
Reference Number: 4114330
[2] AirPrime HL7618, HL7690 and HL7692 AT Commands Interface Guide
Reference Number: 4118395
[3] AirPrime HL Series Development Kit User Guide
Reference Number: 4114877
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2. Detailed Interface Specifications
Note: If not specified, all electrical values are given for VBATT=3.7V and an operating temperature of
25°C.
For standard applications, VBATT and VBATT_PA must be tied externally to the same power supply. For some specific applications, AirPrime HL7618 module supports separate VBATT and VBATT_PA connection if requirements below are fulfilled.
2.1. Power Supply
The AirPrime HL7618 module is supplied through the VBATT signal with the following characteristics.
Table 6. Power Supply
Supply Minimum Typical Maximum
VBATT voltage (V) 3.21 3.7 4.5
VBATT_PA voltage (V) Full Specification 3.21 3.7 4.5
VBATT_PA voltage (V) Extended Range 2.8 3.7 4.5
1 This value has to be guaranteed during the burst.
Note: Load capacitance for VBATT is around 32µF ± 20% embedded inside the module.
Load capacitance for VBATT_PA is around 10µF ± 20% embedded inside the module.
2.2. Current Consumption (TBC)
The following table lists the current consumption of the AirPrime HL7618 at different conditions.
Note: Typical values are defined for VBATT/VBATT_PA at 3.7V and 25°C, for 50 impedance at all RF
Table 7. Current Consumption
Parameter Minimum Typical Maximum Unit
Off mode 95.0 110 202.0 µA
Sleep mode – LTE DRX = 1.28s USB = suspended
LTE in communication mode (TX Max)
Table 8. Current Consumption per Power Supply
Parameter (at nominal voltage, 3.7 V) Typical Unit
VBATT Band 4 207 mA
ports. Maximum values are provided for VSWR3:1 with worst conditions among supported ranges of voltages and temperature.
Band 4 1.2 1.4 6.2 mA
Band 13 1.2 1.4 6.2 mA
Band 4 510.0 610.0 945.0 mA
Band 13 460.0 540.0 720.0 mA
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Product Technical Specification Detailed Interface Specifications
Parameter (at nominal voltage, 3.7 V) Typical Unit
VBATT_PA
LTE in communication mode (TX Max) USB = disconnected
LTE in communication mode (TX Max) USB = disconnected
Band 13
Band 4 403 mA
Band 13 328 mA
212
2.3. VGPIO
The VGPIO output can be used to:
Pull-up signals such as I/Os
Supply the digital transistors driving LEDs
The VGPIO output is available when the AirPrime HL7618 module is switched ON.
Table 9. VGPIO Electrical Characteristics
Parameter Min Typ Max Remarks
Voltage level (V) 1.7 1.8 1.9 Both active mode and sleep mode
Current capability Active Mode (mA)
Current capability Sleep Mode (mA)
Rise Time(ms) - - 1.5 Start-Up time from 0V
- - 50
- - 3
Power management support up to 50mA output in Active mode
Power management support up to 3mA output in Sleep mode
mA
2.4. BAT_RTC
The AirPrime HL7618 module provides an input/output to connect a Real Time Clock power supply.
This pad is used as a back-up power supply for the internal Real Time Clock. The RTC is supported when VBATT is available but a back-up power supply is needed to save date and hour when VBATT is switched off.
If VBATT is available, the back-up battery can be charged by the internal 1.8V power supply regulator.
Table 10. BAT_RTC Electrical Characteristics
Parameter Minimum Typical Maximum Unit
Input voltage - 1.8 - V
Input current consumption - 2.5 (TBC) - µA
Output voltage -5% 1.8 +5% V
Max charging current (@VBATT=3.7V) - 25 - mA
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Product Technical Specification Detailed Interface Specifications
2.5. SIM Interface
The AirPrime HL7618 has one physical SIM interface, UIM1, which has optional support for dual SIM application with an external SIM switch.
It allows control of a 1.8V/3V SIM and is fully compliant with GSM 11.11 recommendations concerning SIM functions.
The five signals used by UIM1 are as follows:
UIM1_VCC: power supply
UIM1_CLK: clock
UIM1_DATA: I/O port
UIM1_RESET: reset
UIM1_DET: SIM detection
Table 11. UIM1 Pad Description
Pad # Signal Name Description
26 UIM1_VCC 1.8V/3V SIM1 Power supply
27 UIM1_CLK 1.8V/3V SIM1 Clock
28 UIM1_DATA 1.8V/3V SIM1 Data
29 UIM1_RESET 1.8V/3V SIM1 Reset
64 UIM1_DET UIM1 Detection
Table 12. Electrical Characteristics of UIM1
Parameter Min Typ Max Remarks
UIM1 Interface Voltage (V) (VCC,CLK,IO,RST)
UIM1 Detect - 1.80 - High active
UIM1_VCC Current (mA) - - 10 Max output current in sleep mode = 3 mA
UIM1_VCC Line Regulation (mV/V)
UIM1_VCC Power-up Setting Time (µs) from power down
- 2.9 -
- 1.80 -
- - 50 At Iout_Max
- 10 -
The appropriate output voltage is auto detected and selected by software.
2.5.1. UIM1_DET
UIM1_DET is used to detect and notify the application about the insertion and removal of a SIM device in the SIM socket connected to the SIM interface. When a SIM is inserted, the state of UIM1_DET transitions from logic 0 to logic 1. Inversely, when a SIM is removed, the state of UIM1_DET transitions from logic 1 to logic 0.
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Product Technical Specification Detailed Interface Specifications
2.6. USB
The AirPrime HL7618 has one USB interface.
Table 13. USB Pad Description
Pad Number Signal Name I/O Function
12 USB_D- I/O USB Data Negative
13 USB_D+ I/O USB Data Positive
16 USB_VBUS I USB VBUS
Note: When the 5V USB supply is not available, connect USB_VBUS to VBATT to supply the USB
interface.
2.7. Electrical Information for Digital I/O
The AirPrime HL7618 supports two groups of digital interfaces with varying current drain limits. The following list enumerates these interface groupings and the following table enumerates the electrical characteristics of each digital interface.
Group 1 (6mA current drain limit)
GPIO2, GPIO4, GPIO6, GPIO8, GPIO10, GPIO11, GPIO13, GPIO14, GPIO15
Group 2 (1mA current drain limit)
GPIO1, GPIO5, GPIO7  UART1 JTAG
Table 14. Digital I/O Electrical Characteristics
Parameter Symbol Min Typ Max Remarks
Input Current-High(µA) IIH - - 240
Input Current-Low(µA) IIL - - 240
Group 1
Group 2
Input Voltage-High(V) VIH 1.19 - 2.10
Input Voltage-Low(V) VIL -0.20 - 0.38
Output Voltage-High(V)
Output Voltage-Low(V)
DC Output Current-High (mA) I
DC Output Current-Low (mA) IOL -6 - -
DC Output Current-High (mA) I
DC Output Current-Low (mA) IOL -1 - -
- - 6
OH
- - 1
OH
V
1.35 - - IOH = -6mA
OH
VOH 1.50 - - IOH = -0.1mA
V
- - 0.35 I
OL
VOL - - 0.2 I
= 6mA
OH
= 0.1mA
OH
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Product Technical Specification Detailed Interface Specifications
2.8. General Purpose Input/Output (GPIO)
The AirPrime HL7618 modules provide 12 GPIOs, 2 of which have multiplexes.
Table 15. GPIO Pad Description
Pad # Signal Name Multiplex I/O Power Supply Domain
1 GPIO1 I/O 1.8V
10 GPIO2 TRACE_DATA2 I/O 1.8V
40 GPIO7 I/O 1.8V
41 GPIO8 TRACE_CLK I/O 1.8V
44 GPIO13 I/O 1.8V
46 GPIO6 I/O 1.8V
51 GPIO14 I/O 1.8V
52 GPIO10 I/O 1.8V
53 GPIO11 I/O 1.8V
54 GPIO15 I/O 1.8V
65 GPIO4 I/O 1.8V
66 GPIO5 I/O 1.8V
2.9. Main Serial Link (UART1)
The main serial link (UART1) is used for communication between the AirPrime HL7618 module and a PC or host processor. It consists of a flexible 8-wire serial interface that complies with RS-232 interface.
The supported baud rates of the UART1 are 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 500000, 750000, 921600, 1843200, 3000000 and 3250000 bit/s.
The signals used by UART1 are as follows:
TX data (UART1_TX)
RX data (UART1_RX)
Request To Send (UART1_RTS)
Clear To Send (UART1_CTS)
Data Terminal Ready (UART1_DTR)
Data Set Ready (UART1_DSR)
Data Carrier Detect (UART1_DCD)
Ring Indicator (UART1_RI)
Note: Signal names are according to PC view.
UART1 pad description is summarized in the table below.
Table 16. UART1 Pad Description
Pad # Signal Name* I/O* Description
2 UART1_RI O Signal incoming calls (data only), SMS, etc.
3 UART1_RTS I Request to send
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Product Technical Specification Detailed Interface Specifications
Pad # Signal Name* I/O* Description
4 UART1_CTS O AirPrime HL7618 is ready to receive AT commands
5 UART1_TX I Transmit data
6 UART1_RX O Receive data
Prevents the AirPrime HL7618 from entering sleep mode,
7 UART1_DTR I (active low)
8 UART1_DCD O Signal data connection in progress
9 UART1_DSR O Signal UART interface is ON
* According to PC view.
switches between data mode and command mode, and wakes the module up.
2.10. POWER-ON Signal (PWR_ON_N)
A low level signal has to be provided to switch the AirPrime HL7618 module ON.
It is internally connected to the permanent 1.8V supply regulator inside the HL7618 via a pull-up resistor. Once VBAT is supplied to the HL7618 module, this 1.8V supply regulator will be enabled and so the PWR_ON_N signal is by default at high level.
The PWR_ON_N signal’s characteristics are listed in the table below.
Table 17. PWR_ON_N Electrical Characteristics
Parameter Min Typical Max
Input Voltage-Low (V) - 0.51
Input Voltage-High (V) 1.33 - 2.2
Power-up period (ms) from PWR_ON_N falling edge 2000 - -
PWR_ON_N assertion time (ms) 25
Note: As PWR_ON_N is internally pulled up with 47k, an open collector or open drain transistor must be
used for ignition.
VGPIO is an output from the module that can be used to check if the module is active.
When VGPIO = 0V, the module is OFF
When VGPIO = 1.8V, the module is ON (it can be in idle, communication or sleep mode)
Note: PWR_ON_N signal cannot be used to power the module off. To power the module off, use AT
command AT+CPWROFF.
2.11. Reset Signal (RESET_IN_N)
To reset the module, a low level pulse must be sent on the RESET_IN_N pad for 20ms. This action will immediately restart the AirPrime HL7618 module with the PWR_ON_N signal at low level. (If the PWR_ON_N signal is at high level, the module will be powered off.) As RESET_IN_N is internally pulled up, an open collector or open drain transistor has to be used to control this signal.
The RESET_IN_N signal will reset the registers of the CPU and reset the RAM memory as well, for the next power on.
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Product Technical Specification Detailed Interface Specifications
Note: As RESET_IN_N is referenced to the VRTC (200k pull-up resistor to VRTC 1.8V) an open
Table 18. RESET_IN_N Electrical Characteristics
Parameter Min Typical Max
Input Voltage-Low (V) - 0.51
Input Voltage-High (V) 1.33 - 2.2
Reset assertion time (ms) 20 - -
Power-up period (ms) from RESET_IN_N falling edge* 2000 - -
* With the PWR_ON_N Signal at low level.
collector or open drain transistor has to be used to control this signal.
2.12. Analog to Digital Converter (ADC1)
One Analog to Digital Converter input, ADC1, is provided by the AirPrime HL7618 module. This converter is a 10-bit resolution ADC ranging from 0 to 1.2V.
The following table describes the pad description of the ADC interface.
Table 19. ADC Interface Pad Description
Pad Number Signal Name I/O Description
24 ADC1 I Analog to digital converter
Typical ADC1 use is for monitoring external voltage; wherein an application is used to safely power OFF an external supply in case of overvoltage.
Table 20. ADC Electrical Characteristics
Parameter Min Typ Max Remarks
ADC1 Resolution (bits) - 10 -
Input Voltage Range (V) 0 - 1.2 General purpose input
Update rate per channel (kHz) - - 125
Integral Nonlinearity (bits) - - ±2 LSB
Offset Error (bits) - - ±1 LSB
Gain 849 853 858
Input Resistance (MΩ) 1 - -
Input Capacitance (pF) - 1 -
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Product Technical Specification Detailed Interface Specifications
2.13. Clock Interface
The AirPrime HL7618 modules support two digital clock interfaces.
The following table describes the pad description of the clock out interfaces.
Table 21. Clock Interface Pad Description
Pad Number Signal Name I/O
22 26M_CLKOUT O 1.8V 26MHz Digital Clock output
23 32K_CLKOUT O 1.8V 32.768kHz Digital Clock output
Enabling or disabling the clock out feature can be done using AT commands. For more information about AT commands, refer to document [2] AirPrime HL7618, HL7690 and HL7692 AT Commands Interface Guide.
I/O Type
Description
2.14. Debug Interfaces
The AirPrime HL7618 module provides 2 interfaces for a powerful debug system.
2.14.1. Trace Debug
The AirPrime HL7618 module provides a Trace Debug interface, providing real-time instruction and data trace of the modem core.
Table 22. Trace Debug Pad Description
Pad Number Signal Name Function
2 TRACE_DATA3 Trace data 3
8 TRACE_DATA1 Trace data 1
9 TRACE_DATA0 Trace data 0
10 TRACE_DATA2 Trace data 2
41 TRACE_CLK Trace clock
Note: It is strongly recommended to provide access to this interface through Test Points.
2.14.2. JTAG
The JTAG interface provides debug access to the core of the HL7618. These JTAG signals are accessible through solder-able test points.
Table 23. JTAG Pad Description
Pad Number Signal Name Function
236 JTAG_RESET JTAG RESET
237 JTAG_TCK JTAG Test Clock
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Product Technical Specification Detailed Interface Specifications
Pad Number Signal Name Function
238 JTAG_TDO JTAG Test Data Output
239 JTAG_TMS JTAG Test Mode Select
240 JTAG_TRST JTAG Test Reset
241 JTAG_TDI JTAG Test Data Input
242 JTAG_RTCK JTAG Returned Test Clock
Note: It is recommended to provide access through Test Points to this interface the JTAG pads (for
Failure Analysis debugging). All signals listed in table above shall be outputs on the customer board to allow JTAG debugging.
2.15. RF Interface
The RF interface of the HL7618 module allows the transmission of RF signals. This interface has a 50Ω nominal impedance.
2.15.1. RF Connection
A 50Ω stripline can be used to connect to standard RF connectors such as SMA, UFL, etc. for antenna connection.
Table 24. RF Main Connection
Pad Number RF Signal Impedance VSWR Rx (max) VSWR Tx (max)
49 RF_MAIN 50Ω 1.5:1 1.5:1
Table 25. RF Diversity Connection
Pad Number RF Signal Impedance VSWR Rx (max) VSWR Tx (max)
31 RF_DIV 50Ω 1.5:1 ---
2.15.2. RF Performances
RF performances are compliant with 3GPP recommendation TS 36.101.
Note: Values in the table below are preliminary and subject to change.
Table 26. Conducted RX Sensitivity (dBm)
Frequency Band Primary (Typical)
LTE B4 Full RB; BW: 20 MHz* -95 -95 -99
LTE B13 Full RB; BW: 10 MHz* -98 -99 -102
* Sensitivity values scale with bandwidth: x_MHz_Sensitivity = 10 MHz_Sensitivity – 10*log (10 MHz/x_MHz)
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Secondary (Typical)
SIMO (Typical)
Product Technical Specification Detailed Interface Specifications
2.15.3. TX_ON Indicator (TX_ON)
The AirPrime HL7618 provides a signal, TX_ON, for TX indication. The TX_ON is a 2.3V signal and its status signal depends on the module transmitter state.
Refer to the following table for the status of the TX_ON signal depending on the embedded module’s state.
Table 27. TX_ON Indicator Pad Description
Pad Number Signal Name Function I/O type Power Supply Domain
60 TX_ON TX indicator O 2.3V
Table 28. TX_ON Characteristics
Parameter Minimum Typical Maximum
T
30µs
advance
T
10µs
delay
Figure 3. TX_ON State During Transmission
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3. Mechanical Drawings
Figure 4. AirPrime HL7618 Mechanical Drawing
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Product Technical Specification Mechanical Drawings
Figure 5. AirPrime HL7618 Dimensions Drawing
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Product Technical Specification Mechanical Drawings
Figure 6. AirPrime HL7618 Footprint
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4. FCC Legal Information
FCC Caution: Any changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate this equipment.
IMPORTANT NOTE – FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
The HL7618 module has been granted modular approval for mobile applications. Integrators may use the HL7618 module in their final products without additional FCC certification if they meet the following conditions. Otherwise, additional FCC approvals must be obtained.
1. At least 20 cm separation distance between the antenna and the user’s body must be maintained at all times.
2. To comply with FCC regulations limiting both maximum RF output power and human exposure to RF radiation, the maximum antenna gain including cable loss in a mobile-only exposure condition must not exceed:
6.99 dBi in LTE Band 4  11.87 dBi in LTE Band 13
3. The HL7618 module must not transmit simultaneously with other collocated radio transmitters within a host device.
4. The RF signal must be routed on the application board using tracks with a 50Ω characteristic impedance. Basically, the characteristic impedance depends on the dielectric, the track width and the ground plane spacing. In order to respect this constraint, Sierra Wireless recommends using MicroStrip or StripLine structure and computing the Tracks width with a simulation tool (like AppCad shown in the figure below and that is available free of charge at
http://www.agilent.com).
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Product Technical Specification FCC Legal Information
If a multi-layered PCB is used, the RF path on the board must not cross any signal (digital, analog or supply).
If necessary, use StripLine structure and route the digital line(s) "outside" the RF structure. An example of proper routing is shown in the figure below.
Stripline and Coplanar design requires having a correct ground plane at both sides. Consequently, it is necessary to add some vias along the RF path. It is recommended to use Stripline design if the RF path is fairly long (more than 3cm), since MicroStrip design is not shielded. Consequently, the RF signal (when transmitting) may interfere with neighbouring electronics (AF amplifier, etc.). In the same way, the neighbouring electronics (micro­controllers, etc.) may degrade the reception performances. The GSM/GPRS connector is intended to be directly connected to a 50Ω antenna and no matching is needed.
5. A label must be affixed to the outside of the end product into which the HL7618 module is incorporated, with a statement similar to the following:
This device contains FCC ID: N7NHL7618
6. A user manual with the end product must clearly indicate the operating requirements and conditions that must be observed to ensure compliance with current FCC RF exposure guidelines.
The end product with an embedded HL7618 module may also need to pass the FCC Part 15 unintentional emission testing requirements and be properly authorized per FCC Part 15.
Note: If this module is intended for use in a portable device, you are responsible for separate approval to
satisfy the SAR requirements of FCC Part 2.1093.
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5. Terms and Abbreviations
Abbreviation Definition
ADC Analog to Digital Converter
AGC Automatic Gain Control
AT Attention (prefix for modem commands)
CDMA Code Division Multiple Access
CF3 Common Flexible Form Factor
CLK Clock
CODEC Coder Decoder
CPU Central Processing Unit
DAC Digital to Analog Converter
DTR Data Terminal Ready
EGNOS European Geostationary Navigation Overlay Service
EMC ElectroMagnetic Compatibility
EMI ElectroMagnetic Interference
EN Enable
ESD ElectroStatic Discharges
ETSI European Telecommunications Standards Institute
FDMA Frequency-division multiple access
GAGAN GPS aided geo augmented navigation
GLONASS Global Navigation Satellite System
GND Ground
GNSS Global Navigation Satellite System
GPIO General Purpose Input Output
GPRS General Packet Radio Service
GSM Global System for Mobile communications
Hi Z High impedance (Z)
IC Integrated Circuit
IMEI International Mobile Equipment Identification
I/O Input / Output
LED Light Emitting Diode
LNA Low Noise Amplifier
MAX Maximum
MIN Minimum
MSAS Multi-functional Satellite Augmentation System
N/A Not Applicable
PA Power Amplifier
PC Personal Computer
PCB Printed Circuit Board
PCL Power Control Level
PLL Phase Lock Loop
PWM Pulse Width Modulation
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Product Technical Specification Terms and Abbreviations
Abbreviation Definition
QZSS Quasi-Zenith Satellite System
RF Radio Frequency
RFI Radio Frequency Interference
RMS Root Mean Square
RST Reset
RTC Real Time Clock
RX Receive
SCL Serial Clock
SDA Serial Data
SIM Subscriber Identification Module
SMD Surface Mounted Device/Design
SPI Serial Peripheral Interface
SW Software
PSRAM Pseudo Static RAM
TBC To Be Confirmed
TBD To Be Defined
TP Test Point
TX Transmit
TYP Typical
UART Universal Asynchronous Receiver-Transmitter
UICC Universal Integrated Circuit Card
USB Universal Serial Bus
UIM User Identity Module
VBATT Main Supply Voltage from Battery or DC adapter
VSWR Voltage Standing Wave Ratio
WAAS Wide Area Augmentation System
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