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紧急求助! msp4305435利用pmbus接口配置UCD9222 核心电压配置后无法输出,请问是什么问题?

Other Parts Discussed in Thread: UCD9222

目前做了一个单板,DSP是6657的开发板,用msp430 5435对UCD9222进行PMbus接口配置,核心电压输出1v,pmbus命令配置下发后,测量电压为0,不知道是怎么回事?

请问:

1 ucd9222 是否需要一个独立的配置文件?

2 ucd9222 是否需要配置那些command?

3 pmbus的写字节,写字,读字节,读字的流程是什么?对应的函数在\ti\ccsv5\ccs_base\msp430\msp430ware_1_40_01_44\examples\driverlib\MSP430F5xx_6xx\usci_b_i2c 目录里面怎么调用?