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 23 of 97
Pin Signal I/O
Function
Internal
Pull up
Type
Prog. / Data + Hw Flow Control
25
C103/TXD I Serial data input (TXD) from DTE CMOS 2.8V
26
C104/RXD O Serial data output (RXD) to DTE CMOS 2.8V
27
C107/DSR O Output for Data set ready signal (DSR) to DTE CMOS 2.8V
28
C106/CTS O Output for Clear to send signal (CTS) to DTE CMOS 2.8V
29
C108/DTR I Input for Data terminal ready signal (DTR) from DTE CMOS 2.8V
30
C125/RING O Output for Ring indicator signal (RI) to DTE CMOS 2.8V
31
C105/RTS I Input for Request to send signal (RTS) from DTE CMOS 2.8V
32
C109/DCD O Output for Data carrier detect signal (DCD) to DTE CMOS 2.8V
DAC and ADC
37
ADC_IN1 AI Analog/Digital converter input A/D
38
ADC_IN2 AI Analog/Digital converter input A/D
39
ADC_IN3 AI Analog/Digital converter input A/D
40
DAC_OUT AO Digital/Analog converter output D/A
Miscellaneous Functions
45
STAT_LED O Status indicator led CMOS 1.8V
46
GND - Ground Ground
49
PWRMON O Power ON Monitor CMOS 2.8V
53
ON/OFF* I
Input command for switching power ON or OFF (toggle
command). The pulse to be sent to the GC864-QUAD V2
must be equal or greater than 1 second.
47K
Ω
Pull up to
VBATT
54
RESET* I Reset input
55
VRTC AO VRTC Backup capacitor Power
Telit GPIO / DVI
36
DVI_CLK - DVI_CLK (Digital Voice Interface Clock) CMOS 2.8V
59
TGPIO_04/TXCNTRL
I/
O
Telit GPIO4 Configurable GPIO / RF Transmission
Control
CMOS 2.8V
63
TGPIO_10/DVI_TX
I/
O
Telit GPIO10 Configurable GPIO / DVI_TX (Digital
Voice Interface)
CMOS 2.8V
65
DVI_RX
I/
O
DVI_RX (Digital Voice Interface) CMOS 2.8V
66
TGPIO_03
I/
O
Telit GPIO3 Configurable GPIO CMOS 2.8V
67
TGPIO_08
I/
O
Telit GPIO8 Configurable GPIO CMOS 2.8V
68
TGPIO_06 / ALARM
I/
O
Telit GPIO6 Configurable GPIO / ALARM CMOS 2.8V
70
TGPIO_01
I/
O
Telit GPIO1 Configurable GPIO CMOS 2.8V
71
DVI_WAO
I/
O
DVI_WAO (Digital Voice Interface) CMOS 2.8V
73
TGPIO_07 /
BUZZER
I/
O
Telit GPIO7 Configurable GPIO / Buzzer CMOS 2.8V
74
TGPIO_02 / JDR
I/
O
Telit GPIO02 I/O pin / Jammer detect report CMOS 2.8V
76
TGPIO_09
I/
O
Telit GPIO9 Configurable GPIO CMOS 2.8V
78
TGPIO_05/
RFTXMON
I/
O
Telit GPIO05 Configurable GPIO / Transmitter ON
monitor
CMOS 2.8V