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Hi,
一个I2C问题,HOST的I2C同时接了5805和另一个MCU, MCU也是做从,同时5805的PDN, RESET是MCU控制的, HOST升级MCU程序是用串行来做的,DATA+CLK, 某一个数据时,刚好与0x58的5805 I2C地址冲突了. 请问有什么办法可以让5805不响应I2C,如下条件不行,硬件需要修动:
1. PDN拉低, 是MCU控制的,MCU复位进入升级模式,控制不了MCU IO口了.
2.TAS5805没预留断电,不能关闭3.3V.
最好方式是,能发一个命令,5805就不响应I2C了,直到5805完全断电.
谢谢!