User's Manual

GE865 Hardware User Guide
1vv0300799 Rev.11 – 13-07-2010
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 14 of 82
4 GE865 module connections
4.1 PIN-OUT
Ball
Signal
I/O
Function
Note
Type
Audio
E8
EAR-
AO
Earphone signal output, phase -
Audio
D8
EAR+
AO
Earphone signal output, phase +
Audio
B8
MIC+
AI
Mic.signal input; phase+
Audio
C8
MIC-
AI
Mic.signal input; phase-
Audio
SIM card interface
A5
SIMCLK
O
External SIM signal Clock
1,8 / 3V
A8
SIMRST
O
External SIM signal Reset
1,8 / 3V
A6
SIMIO
I/O
External SIM signal Data I/O
4.7K Pull up
1,8 / 3V
B7
SIMIN
I
External SIM signal Presence (active low)
1,8 / 3V
A7
SIMVCC
-
External SIM signal Power supply for the SIM
1,8 / 3V
Trace
D1
TX_AUX
O
Auxiliary UART (TX Data to DTE)
CMOS 2.8V
E1
RX_AUX
I
Auxiliary UART (RX Data from DTE)
CMOS 2.8V
Prog. / Data + HW Flow Control
A3
C103/TXD
I
Serial data input (TXD) from DTE
CMOS 2.8V
A4
C104/RXD
O
Serial data output to DTE
CMOS 2.8V
B3
C108/DTR
I
Input for Data terminal ready signal (DTR)
from DTE
CMOS 2.8V
A1
C105/RTS
I
Input for Request to send signal (RTS) from
DTE
CMOS 2.8V
A2
C106/CTS
O
Output for Clear to send signal (CTS) to DTE
CMOS 2.8V
B5
C109/DCD
O
Output for Data carrier detect signal (DCD) to
DTE
CMOS 2.8V
B2
C107/DSR
O
Output for Data set ready signal (DSR) to DTE
CMOS 2.8V
B4
C125/RING
O
Output for Ring indicator signal (RI) to DTE
CMOS 2.8V
DAC and ADC
G7
DAC_OUT
AO
Digital/Analog converter output
D/A
F5
ADC_IN1
AI
Analog/Digital converter input
A/D
F6
ADC_IN2
AI
Analog/Digital converter input
A/D
Miscellaneous Functions
C1
RESET*
I
Reset input
H2
VRTC
AO
VRTC Backup capacitor
Power
G8
STAT_LED
O
Status indicator led
CMOS 1.8V
B1
ON_OFF*
I
Input command for switching power ON or OFF
(toggle command).
47K Pull Up
Pull up to VRTC