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 15 of 77
4.1.1. BGA Balls Layout
TOP VIEW
A B C D E F G H
1
C105 / RTS ON_OFF RESET* TX_AUX RX_AUX VBATT GND SERVICE
2
C106/CTS C107/DSR GND
GPIO_02 /
DVI_RX
PWRMON
VBATT_P
A
GPIO_05 VRTC
3
C103_TXD C108/DTR -
GPIO_01 /
DVI_WA0
GPIO_10
VBATT_P
A
GND GND
4
C104/RXD C125/RING -
GPIO_08 /
DVI_CLK
GPIO_03 /
DVI_TX
GPIO_09 GND
5
SIMCLK C109/DCD - - GND ADC1 GND ANT
6
SIMIO - - - - ADC2 GPIO_07 GND
7
SIMVCC SIMIN GND - GND - DAC GPIO_04
8
SIMRST MIC+ MIC- EAR+ EAR- - STATLED GPIO_06
LEGENDA:
NOTE:
The pin defined as H4 has to be considered RESERVED and not connected on any pin in the
application. The related area on the application has to be kept empty.
AUDIO
SIM CARD
ANTENNA
UARTS
DAC and ADC
MISCELLANEOUS
GPIO
POWER SUPPLY VBATT
POWER SUPPLY GND
RESERVED