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bq40z50 SMBus BlockRead的CRC校验字节 是使用之前哪些数据计算出来的?

Other Parts Discussed in Thread: BQ40Z50

bq40z50 SMBus BlockRead的CRC校验字节 是使用之前哪些数据计算出来的?  单单使用长度和后续数据计算的CRC和实际对不上

WordRead的CRC校验是0x17 + Command + Length+Data...计算出来的,计算和实际相同     目前BlockRead的CRC还没搞定,望大神解救。。。