User's Manual

GC864 Hardware User Guide
1vv0300733 Rev. 0 - 12/06/06
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved page 20 of 68
Pin Signal I/O Function Internal
Pull up
Type
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
IIC
35 CAM_SCL /
IIC_SCL
I/O Camera IIC interface / Configurable GPIO CMOS 2.8V
36 CAM_SDA /
IIC_SDA
I/O Camera IIC interface / Configurable GPIO 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
44 MON1_CAM I/O MON1 / Camera interface CMOS 2.8V
45 STAT_LED O Status indicator led CMOS 1.8V
46 GND - Ground Ground
49 PWRMON I Power ON Monitor CMOS 2.8V
50 VAUX1 - Power output for external accessories -
51 CHARGE AI Charger input (*) Power
52 CHARGE AI Charger input (*) Power
53 ON/OFF* I Input command for switching power ON or OFF (toggle command).
The pulse to be sent to the GC864 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
56 TGPIO_19 I/O Telit GPIO19 Configurable GPIO CMOS 2.8V
57 TGPIO_11 I/O Telit GPIO11 Configurable GPIO CMOS 2.8V
58 TGPIO_20 I/O Telit GPIO20 Configurable GPIO CMOS 2.8V
59 TGPIO_04 I/O Telit GPIO4 Configurable GPIO CMOS 2.8V
60 TGPIO_14 I/O Telit GPIO14 Configurable GPIO CMOS 2.8V
61 TGPIO_15 I/O Telit GPIO15 GPIO pin CMOS 2.8V
62 TGPIO_12 I/O Telit GPIO12 Configurable GPIO CMOS 2.8V
63 TGPIO_10 I/O Telit GPIO10 I/O pin CMOS 2.8V
64 TGPIO_22 I/O Telit GPIO22 Configurable GPIO CMOS 1.8V
65 TGPIO_18 I/O Telit GPIO18 I/O pin CMOS 2.8V
66 TGPIO_03 I/O Telit GPIO3 Configurable GPIO CMOS 2.8V