Gm862-quad / py hardware user guide – Rainbow Electronics GM862-QUAD-PY User Manual
Page 10
GM862-QUAD / PY Hardware User Guide
1vv0300748 Rev. 5 - 20/09/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 10 of 68
3.3.1 Molex 52991-0508 (male) GM862 Connector PIN-OUT
Pin
Signal
I/O Function
Internal
Pull up
Type
1
VBATT
- Main power supply
Power
2
GND
- Ground
Power
3
VBATT
- Main power supply
Power
4
GND
- Ground
Power
5
VBATT
- Main power supply
Power
6
A/D
- A/D converter @ 11 bit (Input Impedance >100Kohm)
Max 2V input
7
VBATT
- Main power supply
Power
8
CHARGE
AI Battery Charger Input
Power
9
EAR_HF+
AO Handsfree ear output, phase +
Audio
10
EAR_MT-
AO Handset earphone signal output, phase -
Audio
11
EAR_HF-
AO Handsfree ear output, phase -
Audio
12
EAR_MT+
AO Handset earphone signal output, phase +
Audio
13
MIC_HF-
AI Handsfree microphone input; phase -
Audio
14
MIC_MT+
AI Handset microphone signal input; phase+
Audio
15
MIC_HF+
AI Handsfree microphone input; phase +
Audio
16
MIC_MT-
AI Handset microphone signal input; phase-
Audio
17
ON_OFF
I Input command for switching power ON or OFF (toggle command).
47K
Ω
Pull Up to
VBATT
18
AXE
I Handsfree switching
100K
Ω
CMOS 2.8V
19
SIMIO
I/O External SIM signal - Data I/O
1.8V/3V ONLY
20
C103/TXD
I Serial data input (TXD) from DTE
CMOS 2.8V
21
PWRMON
O
Module Status ON indication (Signal output for power on/off control of external
devices
1K
Ω
CMOS 2.8V
22
SIMVCC
- External SIM signal – Power (3)
1.8V/3V ONLY
23
RESET
I Reset input
-
24
SIMRST
O External SIM signal – Reset
1.8V/3V ONLY
25
RESERVED
- Reserved
-
26
SIMCLK
O External SIM signal – Clock
1.8V/3V ONLY
27
SIMIN
I/O External SIM signal – Presence (active low)
47K
Ω
CMOS 2.8V
28
GPO2 / JDR
O
General purpose output (Open Collector) / Jammer Detect Report
Open Collector
29
C106/CTS
O Output for Clear to send signal (CTS) to DTE
CMOS 2.8V
30
C125/RING
O Output for Ring indicator signal (RI) to DTE
CMOS 2.8V
31
GPI1
I General purpose input
transistor base
32
GPIO8
I/O Configurable general purpose I/O pin
CMOS 2.8V