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 13 of 64
4. GC864-QUAD V2 / GC864-DUAL V2 Module
Connections
4.1. PIN-OUT
The GC864-QUAD V2 / GC864-DUAL V2 uses a 80 pin Molex p.n. 53949-0878 male
connector for the connections with the external applications. This connector matches
the 54150-0878 models.
Pin Signal I/O Function
Internal
Pull up
Type
Power Supply
1 VBATT - Main power supply Power
2 VBATT - Main power supply Power
3 VBATT - Main power supply Power
4 VBATT - Main power supply Power
5 GND - Ground Power
6 GND - Ground Power
7 GND - Ground Power
Audio
8 AXE I Handsfree switching 100K
Ω
CMOS 2.8V
9 EAR_HF+ AO Handsfree ear output, phase + Audio
10 EAR_HF- AO Handsfree ear output, phase - Audio
11 EAR_MT+ AO Handset earphone signal output, phase + Audio
12 EAR_MT- AO Handset earphone signal output, phase - Audio
13 MIC_HF+ AI Handsfree microphone input; phase Audio
14 MIC_HF- AI Handsfree microphone input; phase Audio
15 MIC_MT+ AI Handset microphone signal input; phase+ Audio
16 MIC_MT- AI Handset microphone signal input; phase- Audio
SIM Card Interface
18
1
SIMVCC - External SIM signal – Power supply for the SIM 1.8 / 3V
19 SIMRST O External SIM signal – Reset 1.8 / 3V
20 SIMIO I/O External SIM signal - Data I/O 1.8 / 3V
21 SIMIN I External SIM signal - Presence (active low) 47K
Ω
1.8 / 3V
22 SIMCLK O External SIM signal – Clock 1.8 / 3V
Trace
23 RX_TRACE I RX Data for debug monitor CMOS 2.8V
24 TX_TRACE O TX Data for debug monitor CMOS 2.8V
1
On this line a maximum of 10nF bypass capacitor is allowed