Specifications
Telit GE864 and GC864
Product Description
80273ST10008A Rev. 3 - 10/02/06
Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved page 23 of 72
2.19 Board to Board interface
2.19.1 GE864 balls allocation
Ball Signal I/O Function Internal PULL UP Type
Audio
H9 EAR_MT- AO Handset earphone signal output, phase - Audio
G10 EAR_MT+ AO Handset earphone signal output, phase + Audio
H10 EAR_HF+ AO Handsfree ear output, phase + Audio
J10 EAR_HF- AO Handsfree ear output, phase - Audio
J8 MIC_MT+ AI
Handset mic.signal input; phase+, nom. level
50mVrms
Audio
G9 MIC_MT- AI
Handset mic.signal input; phase-, nom. level
50mVrms
Audio
G8 MIC_HF+ AI
Handsfree mic. input; phase +, nom. level
3mVrms
Audio
J9 MIC_HF- AI
Handsfree mic.input; phase -, nom. level
3mVrms
Audio
F9 AXE I Handsfree switching 100K CMOS 2.8V
G5 VMICP O Microphone supply (*)
G3 VMICN O Microphone supply (*)
SIM card interface
C10 SIMCLK O External SIM signal – Clock 1,8 / 3V
E9 SIMRST O External SIM signal – Reset 1,8 / 3V
D10 SIMIO I/O External SIM signal - Data I/O 1,8 / 3V
C11 SIMIN I External SIM signal - Presence (active low) 47K 1,8 / 3V
D4 SIMVCC - External SIM signal – Power supply for the SIM 1,8 / 3V
Trace
D11 TX_TRACE O TX Data for debug monitor CMOS 2.8V
F10 RX_TRACE I RX Data for debug monitor CMOS 2.8V
Prog. / Data + HW Flow Control
E7 C103/TXD I Serial data input (TXD) from DTE CMOS 2.8V
H8 C104/RXD O Serial data output to DTE CMOS 2.8V
B7 C108/DTR I
Input for Data terminal ready signal (DTR) from
DTE
CMOS 2.8V
F7 C105/RTS I
Input for Request to send signal (RTS) from
DTE
CMOS 2.8V
F6 C106/CTS O Output for Clear to send signal (CTS) to DTE CMOS 2.8V
D9 C109/DCD O
Output for Data carrier detect signal (DCD) to
DTE
CMOS 2.8V
E11 C107/DSR O Output for Data set ready signal (DSR) to DTE CMOS 2.8V
B6 C125/RING O Output for Ring indicator signal (RI) to DTE CMOS 2.8V
IIC bus
D7 CAM_SDA / IIC_SDA I/O Camera IIC interface / Configurable GPIO CMOS 2.8V
C6 CAM_SCL / IIC_SCL I/O Camera IIC interface / Configurable GPIO CMOS 2.8V
DAC and ADC