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GE864 Hardware User Guide
1vv0300694 Rev.10 - 10/06/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 9 of 69
3 GE864 module connections
3.1 PIN-OUT
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+ Audio
G9 MIC_MT- AI Handset mic.signal input; phase- Audio
G8 MIC_HF+ AI Handsfree mic. input; phase + Audio
J9 MIC_HF- AI Handsfree mic.input; phase - Audio
F9 AXE I Handsfree switching 100K CMOS 2.8V
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
1
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
DAC and ADC
1
On this line a maximum of 10nF bypass capacitor is allowed