User's Manual

GE/GC864-QUAD V2 and GE864-GPS Hardware User Guide
1vv0300915 Rev.2 – 2011-06-15
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights
Reserved. Page 22 of 97
4.2. GC864-QUAD V2
4.2.1. PIN-OUT
The GC864-QUAD V2 uses an 80 pin Molex p.n. 53949-0878 male
connector for the connections with the external applications.
This connector matches the 54150-0878 models.
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 Audio
14
MIC_HF- AI Handsfree microphone input; phase Audio
15
MIC_MT+ AI Handset microphone signal input; phase+ Audio
16
MIC_MT- AI Handset microphone signal input; phase- Audio
SIM Card Interface
18
1
SIMVCC - External SIM signal – Power supply for the SIM 1.8 / 3V
19
SIMRST O External SIM signal – Reset 1.8 / 3V
20
SIMIO I/O External SIM signal - Data I/O 1.8 / 3V
21
SIMIN I External SIM signal - Presence (active low)
47K Ω
1.8 / 3V
22
SIMCLK O External SIM signal – Clock 1.8 / 3V
Trace
23
RX_TRACE I RX Data for debug monitor CMOS 2.8V
24
TX_TRACE O TX Data for debug monitor CMOS 2.8V
47
SERVICE I
Service pin shall be used to upgrade the
module from ASC1 (RX_TRACE,
TX_TRACE). The pin shall be tied low to enable the feature
only in case of a
SW Update activity. It is required, for debug purpose, to be connected
to a test pad on the final application.
2.2K Ω
CMOS 2.8V
1
On this line a maximum of 10nF bypass capacitor is allowed