User's Manual
Table Of Contents
- GC864 QUAD V2andGC864 DUAL V2Hardware User Guide
- APPLICABILITY TABLE
- 1 Introduction
- 2. Overview
- 3. GC864 Mechanical Dimensions
- 4. GC864-QUAD V2 / GC864-DUAL V2 Module Connections
- 5. Hardware Commands
- 6. Power Supply
- 7. Antenna
- 8. Logic Level Specifications
- 9. Serial Ports
- 10. Audio Section Overview
- 11. General Purpose I/O
- 11.1. GPIO Logic Levels
- 11.2. Using a GPIO Pad as INPUT
- 11.3. Using a GPIO Pad as OUTPUT
- 11.4. Using the RF Transmission Control GPIO4
- 11.5. Using the RFTXMON Output GPIO5
- 11.6. Using the Alarm Output GPIO6
- 11.7. Using the Buzzer Output GPIO7
- 11.8. Magnetic Buzzer Concepts
- 11.9. Using the Temperature Monitor Function
- 11.10. Indication of Network Service Availability
- 11.11. RTC Bypass Out
- 11.12. DAC Converter
- 11.13. ADC Converter
- 12. Assembly the GC864-QUAD V2 / GC864-DUAL V2 on the Board
- 13. Packing System
- 14. Conformity Assessment Issues
GC864 Hardware User Guide
1vv0300874 Rev.0 – 2010-01-25
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved. Page 14 of 64
Pin Signal I/O Function
Internal
Pull up
Type
47 SERVICE I
Servicepinshallbeusedtoupgradethe modulefromASC1(RX_TRACE,
TX_TRACE). Thepinshallbetiedlowtoenablethefeature onlyincaseofa
SWUpdateactivity.Itis required,fordebugpurpose,tobeconnected
toatestpadonthefinalapplication.
CMOS 2.8V
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 / GC864-DUAL 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