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
18 novatelwireless.com
Pin # I/O
Description/Comments (Default
Function / Secondary Function
Notes
34 I/O GPIO19 GPIO19
35 I PWR_CTL External switch-on event (ON Button) with 32-kHz
de-bouncing
36 I RESERVED RESERVED
37 I RESERVED RESERVED
38 I RESERVED RESERVED
39 I RESERVED RESERVED
40 I RESERVED RESERVED
41 O RESERVED RESERVED
42 RESERVED RESERVED
43 RESERVED RESERVED
44 RESERVED RESERVED
45 RESERVED RESERVED
46 RESERVED RESERVED
47 I HST_DET Headset Detect (if not used, can be left floating)
48 O RESERVED RESERVED
49 I RESERVED RESERVED
50 RESERVED RESERVED
51 RESERVED RESERVED
52 RESERVED RESERVED
53 O HSMICBIAS Headset microphone bias
54 R GND System ground
55 I HSMIC Microphone input (Headset)
56 O CLK32K_BUF 32.768 kHz out, only buffered by 10 kΩ resistor
57 O HSOL 32 kΩ headset amplifier Left
58 I/O GPIO_4 GPIO 4
59 O HSOR 32 kΩ headset amplifier Right
60 I/O GPIO_3 GPIO 3
61 O HSOVMID Headset output common mode
62 I/O USB_BOOT/
GPIO_2 GPIO 2
63 O MICBIAS Microphone bias
64 I/O GPIO_1 GPIO 1
65 I MICIP Microphone amplifier positive input (Handset)
66 I/O GPIO_7 GPIO 7
67 I MICIN Microphone amplifier negative input (Handset
68 I/O GPIO_5 GPIO 5
69 R GND System Ground