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xelibri 7的DIY可能性研究( 二 )

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output voltage for accessories

2- GND
Common ground

3- TX
Serial Data Out
used for Flash programming & ITP commands

4- RX
Serial Data In
used for Flash programming & ITP commands

5- CTS (I/O)
Serial interface used for AT-commands
Data line (accessory bus)
CTS (data operation)
Used for accessory detection

6- RTS (I/O)
RTS (data operation)
Used for accessory detection

7- DCD (I/O)
Serial interface used for AT-commands
Used for accessory detection
Clock Line (accessory bus)
DTC (data operation)

8- AUDIO_L
Output for left channel stereo headset

9- AUDIO_REF
mid-voltage in stereo mode reference to AUDIO_L & AUDIO_R (unused in mono mode)
As Vpp (12V external power supply input for flash programming for C62)

10- AUDIO_R
Output for right-channel stereo headset
Output for single-channel mono headset

11- MIC_GND
External microfon ground

12- MIC_IN
External microfon input
已經(jīng)萬事具備，就缺軟件支持了 ?？梢杂靡恍┩ㄓ玫能浖囋?。
這樣看，物理層是沒有什么問題的 。
關(guān)鍵就是軟件支持了 。
我今天沒有買到55系列的數(shù)據(jù)線，不能嘗試了，遺憾 。

請有數(shù)據(jù)線朋友做一個fullflash吧，大家一起研究研究 。

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