| Pin | Signal | Description |
|---|
| 1 | GND | Charger/System Ground |
| 2 | V_OUT | Accessory Output Supply. (3.4V...10V - 50mA) |
| 3 | XMIC | External Microphone Input and Accessory Identification
Identification
*TYP/MAX: 8...50 mV(The Maximum Value Corresponds to 0dBm Network
LEVEL WITH INPUT AMPLIFIER GAIN SET TO 20 dB ,TYPICAL VALUE IS MAXIMUM VALUE -16 dB)
ID Accessory Identification
*1,7...2,05 V HEADSET ADAPTOR CONNECTED
*1,15...1,4 V COMPACT HANDSFREE UNIT CONNECTED |
| 4 | NC | Not Connected |
| 5 | NC | Not Connected |
| 6 | MBUS | Serial Control Bus
*Logic Low Level: 0....0.5V
*Logic High Level:2.4V....3.2V |
| 7 | NC | Not Connected |
| 8 | SGND | Signal Ground |
| 9 | XEAR | XEAR External Speaker and Mute Control
*Min/Typ/Max: 0....32....500 mV (Typical level corresponds to -16 dBM)
Network Level with Volume Control in Nominal Position 8dB Below Maximum
Maximum 0 dBM Maximum Volume Codec Gain -6dB)
Mute ON (HF SPEAKER MUTE ):0...0,5 V d.c.
Mute OFF (HF SPEAKER ACTIVE ): 1,0...1,7 V d.c.
|
| 10 | Hook | Hook Signal
*Hook Off (Handset in Use): 0....0.5V
*Hook On (Handset in Use): 2.4V....3.2V |
| 11 | NC | Not Connected |
| 12 | V_IN | Charging Supply Voltage (Max 16V) |
