18 pin mobile special connector at the cellular phone (keyboard down) | Base pinout (originally suggested for X100):
| Pin |
Signal |
Description |
| 1,14 |
+Vbat |
accumulator out |
| 2 |
TxD |
serial 1 out |
| 3 |
RxD |
serial 1in |
| 4 |
RTS |
serial 1 RTS |
| 5 |
CTS |
serial 1 CTS |
| 6 |
JIG_REC |
power on/off scheme control |
| 7 |
CHARGER_OK |
power on/off and charging control |
| 8,11,13 |
GND |
|
| 9 |
AUX_MIC |
handsfree mic in |
| 10 |
RXD1 |
serial 2 in |
| 12 |
REC01 |
power on/off scheme input |
| 15 |
TXD1 |
serial 2 out |
| 16 |
AUX_SPK |
handsfree speaker out |
| 17,18 |
V_EXT_CHARGE |
charge input |
| 18 |
+Vext |
|
For the data- flash cable, pins 1,16,17,18 should be shorted and connected by two R=22Kom resistors to the pin 2 and pin 3. Pins 8, 11, 13 should be shorted to GND.
| |
