xelibri 7的DIY可能性研究( 二 )


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
已经万事具备,就缺软件支持了 。可以用一些通用的软件试试 。
这样看,物理层是没有什么问题的 。
关键就是软件支持了 。
我今天没有买到55系列的数据线,不能尝试了,遗憾 。

请有数据线朋友做一个fullflash吧,大家一起研究研究 。

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