Service Manual
8
matrix with Pin 10.
2 PTT input 3.3V CMOS, valid for low level
3 Handset output
This pin can output received audio,
when Handset is checked in the CPS.
4 USB0_D-
When this pin is used for USB, USB of
DB26 will be disabled
5GND
For grounding
6 USB_VBUS 5V/500mA
7 Mic input MIC signal input of palm microphone
8 USB0_D+
When this pin is used for USB, USB of
DB26 will be disabled
9 HOOK Reserved
10 Accessory identification port 2
To form an accessory identification
matrix with Pin 1.
Table 6-1 10-Pin Interface Description
6.1.6 Interface between Front Panel and Baseband Board
The interface is used to connect baseband board and front panel. Its definition is as below:
Pin No. Name Description
1 MMP10_Mic_IN Mic signal input
2 MIC_GROUND Mic signal ground
3 MMP_ACC_IO1 Accessory detection input
4 V_BUS 5V power supply (USB)
5 MMP_PRGM_IO4 Programmable key input
6 MMP_PRGM_IO3 Programmable key input
7 USB0_D- USB data -
8 USB0_D+ USB data +
9 MMP_PRGM_IO0 Programmable key input
10 KNOB_A Navigation knob input
11 KNOB_B Navigation knob input
12 MMP10_SPK_AUDIO SPK signal output
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