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BQ40Z50-R2: 对Data Flash尝试Block Write后设备失联

Part Number: BQ40Z50-R2
Other Parts Discussed in Thread: BQSTUDIO, BQ40Z50, EV2400

实验环境:BQ40Z50 EVM561+EV2400+BQStudio

在尝试ManufacturerBlockAccess()中的0x4000–0x5FFF Data Flash Access()命令时,对Data Flash进行了读写操作,步骤如下:

1.先读出了原Data Flash数据

原Returned Block = 00 40 45 2F 05 C2 28 BF DC 63 65 40 5A 7F 82 49 00 00 40 00 00 00 00 00 00 00 00 FF FF FF FF FF FF FF。

2.然后尝试将Data Flash地址0x4000-0x4004的数据更改为:AAaaBBbbCCcc。

SMBus Block Write,Command = 44,Block = 00 40 aa AA bb BB cc CC。

3.然后评估板就联系不上了,尝试了按下WAKE或SHUTDOWN按钮或重启BQStudio,都没有用。

尝试发送SMBus命令,左下角状态栏回复:Read Block: Not able to find a free communications adapter。

请问该如何解决这一问题,感谢!!