在测试ISO1050芯片功能时发现功能出现问题,
两侧电压均为5V,TX输入100kHZ 4V 占空比50%方波,CANH,CAHL。RX波形均不正常,CANH和CANL之间分别串联了一个阻值约为50欧姆和75欧姆的电阻进行测试,均不正常。
测试环境:
TX波形:
CANL波形:
CANH波形:
RX波形:
上次采购的ISO1050用的同样的测试环境波形都是正常的,这次在立创商城买的三颗芯片工作均不正常
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.