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TLC5940: 级联输出异常

Part Number: TLC5940

按照TLC5940推荐设计进行电路设计,外界单片机版进行驱动调试。

单颗TLC5940可以正常工作,16个通道均工作正常,但SOUT输出和SIN输入不匹配,如SIN输入16个0xFF,SOUT输出为3个0x00+13个0xFF,导致级联使用时有部分通道无法正常工作。