User's Manual

Page 23 of 187
TECHNICAL MANUAL
Telit GM862 PCS
Tri Band GPRS Data Terminal System Rev.1
23 RESET I Reset input
2KΩ
see par.1.13.1
24 SIMRST O External SIM signal – Reset 3V ONLY
25 MON1_CAM I/O Camera Interface on –PCS (4) CMOS 2.8V
26 SIMCLK O External SIM signal – Clock 3V ONLY
27 CCIN I/O External SIM signal – Presence (active
low)
47KΩ
CMOS 2.8V
28 GPIO2 O General purpose output (Open Collector) /
Camera Interface on –PCS (4)
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 GPIO1 I General purpose input transistor base
32 PD[0] I/O Camera Interface on –PCS (4) CMOS 2.8V
33 C107/DSR O Output for Data set ready signal (DSR) to
DTE
CMOS 2.8V
34 PD[1] I/O Camera Interface on –PCS (4) CMOS 2.8V
35 EMMI TX O TX Data for debug monitor (1) CMOS 2.8V
36 C109/DCD O
Output for Data carrier detect signal (DCD)
to DTE
CMOS 2.8V
37 C104/RXD O Serial data output to DTE CMOS 2.8V
38 PD[2] I/O Camera Interface on –PCS (4) CMOS 2.8V
39 STAT_LED O Status indicator led Open Collector
40 PD[3] I/O Camera Interface on –PCS (4) CMOS 2.8V
41 EMMI RX I RX Data for debug monitor (1) CMOS 2.8V
42 PD[4] I/O Camera Interface on –PCS (4) CMOS 2.8V
43 C108/DTR I Input for Data terminal ready signal (DTR)
from DTE (4)
CMOS 2.8V
44 PD[5] I/O Camera Interface on -PCS (4) CMOS 2.8V
45 C105/RTS I Input for Request to send signal (RTS)
from DTE
CMOS 2.8V
46 GPIO3 /
PD[6]
I/O Configurable general purpose I/O pin /
Camera Interface on -PCS (4)
CMOS 2.8V
47 GPIO4
IICSDA
I/O Configurable general purpose I/O pin /
Camera Interface on -PCS (4)
CMOS 2.8V