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BQ76940 GAIN值计算问题



手册上写 :

我读0x59寄存器  得到的值是0x85,去掉5-7bit,就是0x05,十进制也是5,根据手册公式计算:

365 +5 * 1,应该是370, 但我用软件读出来ADC的GAIN确实377,何解?