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bq40z80设置400khz的通信速度后不管用,如何解决

Other Parts Discussed in Thread: BQ40Z80, BQSTUDIO

bq40z80设置400khz的通信速度后不管用,用逻辑分析仪测试通信速度依然是100khz。BQStudio显示也是XL并没有置位。