User's Manual
Table Of Contents
- 1 Introduction
- 2 Module Power
- 3 Physical Interfaces
- Module Mounting to Host Board (Reference)
- Connectors
- Connectors
- I/O Connector Pin Assignments
- Circuit Protection
- Antenna
- Control Connector Signal Functions
- Module Power (Pins 85, 87, 89, 91, 93, 95, 97, 99)
- Power Control (Pin 35) - (PWR_CTL)
- Level Translation Reference Power (Pin 77)
- USB (Pins 1, 3, 5, 7, 9)
- General Purpose Input/Output Interface
- RTC Sleep
- Serial Interfaces & Handshake (Pins 11, 13, 15, 17, 19, 21, 23, 25)
- Multi-Channel Serial Interface (MCSI) – (Pins 12, 14, 16, 18)
- VBackup Input (Pin83)
- Using VBackup
- Analog-to-Digital Input (Pin 74)
- Handset Microphone Input (Pins 65, 67)
- Handset Microphone Bias Output (Pin 63)
- Handset Speaker Output (Pins 71, 73)
- Headset Microphone Input (Pin 55)
- Headset Microphone Bias Output (Pin 53)
- Headset Speaker Output Left & Right (Pins 57, 59)
- Headset Output Common Mode (Pin 61)
- Headset Detect (Pin 47)
- Subscriber Identity Module (SIM) Carrier (Pins 76, 78, 80, 82, 84)
- 4 Hardware Design
- General Design Guidelines for Using Novatel Wireless M2M GSM Modules
- Enabling the Transmission Modes for the GSM/GPRS Services
- Voice Communication
- Circuit-Switched Data
- SMS: Short Message Services
- Provisioning The SIM
- GSM Services Supported by the Novatel Wireless M2M Enabler IIIG Module
- GPRS Services Supported by the Novatel Wireless M2M Enabler IIIG Module
- Selecting the GSM Modes of Operation
- 5 Setup and Initialization
- 6 Integration and Testing
19 novatelwireless.com
Pin # I/O
Description/Comments (Default
Function / Secondary Function
Notes
70 I/O GPIO_6 GPIO 6
71 O EARP 33 Ω or 120 Ω speaker amplifier (+) (Analog)
72 I/O GPIO_8 GPIO 8
73 O EARN 33 Ω or 120 Ω speaker amplifier (-) (Analog)
74 I ADCIN4 10-bit A-to-D
75 R GND System Ground
76 PWR VRSIM Output voltage for SIM 1.8 V / 2.85 V
(No Connect
if onboard
SIM holder is
used)
77 PWR VRIO 1.8 V out – Reference for external level trans-
lation
78 O SIM_CLK SIM Card Reference clock
(No Connect
if onboard
SIM holder is
used)
79 RESERVED RESERVED
80 O SIM_RST SIM Card Reference clock
(No Connect
if onboard
SIM holder is
used)
81 RESERVED RESERVED
82 I/O SIM_IO SIM Card I/O Data
(No Connect
if onboard
SIM holder is
used)
83 PWR VBACKUP Backup Battery Voltage
84 I SIMDTC SIM card insertion/extraction detect with 32-kHz
debouncing. (If not used, tie to ground.)
(No Connect
if onboard
SIM holder is
used)
85 P VBAT Power from Host
86 R GND System Ground
87 P VBAT Power from Host
88 R GND System Ground
89 P VBAT Power from Host
90 R GND System Ground
91 P VBAT Power from Host