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TMS320F28335: tms320f28335 can 波特率设置

Part Number: TMS320F28335

波特率配置时,对于不同的数字组合,同样配出250k的波特率,但是哪种效果更好呢,有没有标准?

//150000000/2/(14+1)/(2+15+3)=250k
ECanaShadow.CANBTC.bit.BRPREG = 14;//
ECanaShadow.CANBTC.bit.TSEG2REG = 2;//
ECanaShadow.CANBTC.bit.TSEG1REG = 15;//

BRPREG =14,TSEG2REG =2   TSEG1REG =15

BRPREG =14,TSEG2REG =3  TSEG1REG =14

BRPREG =14,TSEG2REG =4   TSEG1REG =13

,这三个不同组合都能出250k,但是哪种组合最好呢?有何评判机制?