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TPA6130A2: STM32F103C8T6与TPA6130A2通信总是失败

Part Number: TPA6130A2

STM32F103C8T6与TPA6130A2通信时序:

读单字节程序:开始位+0xC0(写)+应答位+0x04+应答位+开始位+0XC1()+应答位+读寄存器里的数据+不应答+停止位

读单字节0x04寄存器的版本时,在应答位总是高电平,故返回数据总是0xff,请技术支持。