Hardware Guide
Table Of Contents
- Introduction
- 2. Overview
- 3. GE865 Mechanical Dimensions
- 4. GE865 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. Indication of network service availability
- 11.9. RTC Bypass out
- 11.10. External SIM Holder Implementation
- 12. DAC and ADC section
- 13. Mounting the GE865 on your Board
- 14. Packing system
- 15. Conformity Assessment Issues
- 17. Document History
GE865 Hardware User Guide
1vv0300799 Rev.15– 2012-04-23
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 13 of 77
Ball Signal I/O Function Note Type
GPIO
D3
GPIO_01 / DVI_WA0 I/O
GPIO01 Configurable GPIO / Digital Audio
Interface (WA0)
CMOS 2.8V
D2
GPIO_02 / JDR /
DVI_RX
I/O
GPIO02 I/O pin / Jammer Detect Report / Digital
Audio Interface (RX)
CMOS 2.8V
E4
GPIO_03 / DVI_TX I/O
GPIO03 GPIO I/O pin // Digital Audio Interface
(TX)
CMOS 2.8V
H7
GPIO_04 / TX_DISAB I/O GPIO04 Configurable GPIO / TX Disable input CMOS 2.8V
G2
GPIO_05 / RFTXMON I/O
GPIO05 Configurable GPIO / Transmitter ON
monitor
CMOS 2.8V
H8
GPIO_06 / ALARM I/O GPIO06 Configurable GPIO / ALARM CMOS 2.8V
G6
GPIO_07 / BUZZER I/O GPIO07 Configurable GPIO / Buzzer CMOS 2.8V
D4
GPIO_08 / DVI_CLK I/O
GPIO08 Configurable GPIO / Digital Audio
Interface (CLK)
CMOS 2.8V
F4
GPIO_09 I/O GPIO09 4.7 K Pull Up Open Drain
E3
GPIO_10 I/O GPIO10 4.7 K Pull Up Open Drain
Power Supply
F1
VBATT - Main power supply (Baseband) Power
F2
VBATT_PA - Main power supply (Radio PA) Power
F3
VBATT_PA - Main power supply (Radio PA) Power
G1
GND - Ground Power
C2
GND - Ground Power
C7
GND - Ground Power
E5
GND - Ground Power
E7
GND - Ground Power
G5
GND - Ground Power
G4
GND - Ground Power
G3
GND - Ground Power
H3
GND - Ground Power
H6
GND - Ground Power
RESERVED
B6
-
C3
-
C4
-
C5
-
C6
-
D5
-
D6
-
D7
-
E6
-
F7
-
F8
-