Specifications

Telit GE864 and GC864
Product Description
80273ST10008A Rev. 3 - 10/02/06
Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved page 28 of 72
AUDIO Signals balls
SIM CARD interface balls
TRACE Signals balls
Prog. / data + Hw Flow Control signals balls
IIC signals balls
DAC and ADC signals balls
MISCELLANEOUS functions signals balls
TELIT GPIO balls
POWER SUPPLY VBATT balls
POWER SUPPLY GND balls
RESERVED
2.19.3 GC864 pins allocation
The GC864 uses an 80 pin Molex p.n. 53949-0878 male connector for the connections with the
external applications. This connector matches the 54150-0808 model
.
Pin Signal I/O Function Internal
Pull up
Type
Power Supply
1 VBATT - Main power supply Power
2 VBATT - Main power supply Power
3 VBATT - Main power supply Power
4 VBATT - Main power supply Power
5 GND - Ground Power
6 GND - Ground Power
7 GND - Ground Power
Audio
8 AXE I Handsfree switching
100K
Ω
CMOS 2.8V
9 EAR_HF+ AO Handsfree ear output, phase + Audio
10 EAR_HF- AO Handsfree ear output, phase - Audio
11 EAR_MT+ AO Handset earphone signal output, phase + Audio
12 EAR_MT- AO Handset earphone signal output, phase - Audio
13 MIC_HF+ AI Handsfree microphone input; phase +, nominal level 3mVrms Audio
14 MIC_HF- AI Handsfree microphone input; phase -, nominal level 3mVrms Audio
15 MIC_MT+ AI Handset microphone signal input; phase+, nominal level 50mVrms Audio
16 MIC_MT- AI Handset microphone signal input; phase-, nominal level 50mVrms Audio
SIM Card Interface
18 SIMVCC - External SIM signal – Power supply for the SIM 1.8/3V
19 SIMRST O External SIM signal – Reset 1.8/3V