GL865-DUAL V3 Hardware User Guide
1vv0301018 Rev.5 – 2013-08-05
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved.
Page 14 of 76
Mod. 0805 2011-07 Rev.2
4.
GL865-DUAL V3 module connections
4.1.
PIN-OUT
Pad
Signal
I/O
Function
Note
Type
Audio
20
EAR-
AO
Earphone signal output, phase -
Audio
21
EAR+
AO
Earphone signal output, phase +
Audio
22
MIC-
AI
Mic. signal input; phase-
Audio
24
MIC+
AI
Mic. signal input; phase+
Audio
23
AGND
-
Analog Ground
-
SIM card interface
9
SIMVCC
-
External SIM signal – Power supply for the SIM
1,8 / 3V
10
SIMRST
O
External SIM signal – Reset
1,8 / 3V
11
SIMCLK
O
External SIM signal – Clock
1,8 / 3V
12
SIMIO
I/O
External SIM signal – Data I/O
4.7k Pull up
1,8 / 3V
X
All GPI0
can be
program
med
SIMIN
I
Presence SIM input
CMOS 1.8V
Trace
44
RXD_AUX
I
Auxiliary UART (RX Data)
CMOS 1.8V
45
TXD_AUX
O
Auxiliary UART (TX Data)
CMOS 1.8V
Prog. / Data + HW Flow Control
1
C109/DCD/GPO
O
Output for Data carrier detect signal (DCD) to DTE
/ GP output
CMOS 1.8V
2
C125/RING/GPO
O
Output for Ring indicator signal (RI) to DTE
/ GP output
CMOS 1.8V
3
C107/DSR/GPO
O
Output for Data set ready signal (DSR) to DTE
/ GP output
CMOS 1.8V
4
C108/DTR/GPI
I
Input for Data terminal ready signal (DTR) from DTE
/ GP input
CMOS 1.8V
5
C105/RTS/GPI
I
Input for Request to send signal (RTS) from DTE
/ GP input
CMOS 1.8V
6
C106/CTS/GPO
O
Output for Clear to send signal (CTS) to DTE
/ GP output
CMOS 1.8V
7
C103/TXD
I
Serial data input (TXD) from DTE
CMOS 1.8V
8
C104/RXD
O
Serial data output to DTE
CMOS 1.8V
DAC and ADC
13
ADC_IN1
AI
Analog/Digital converter input
A/D
14
ADC_IN2
AI
Analog/Digital converter input
A/D
15
DAC_OUT
AO
Digital/Analog converter output
D/A
Miscellaneous Functions
30
VRTC
AO
VRTC Backup
Power
47
RESET*
I
Reset input
CMOS 1.8V
43
V_AUX / PWRMON
O
1.8V stabilized output Imax=100mA
/ Power ON monitor
Power Out 1.8V
34
Antenna
I/O
Antenna pad –
50 Ω
RF