设pclk=12mhz
TSEG1≥TSEG2≥SJW;TSEG2≥1;PCLK/波特率=(TSEG1+TSEG2+3)*(BRP+1);
采样率=1-(TSEG2+1)/(TSEG2+TSEG1+3);
采样率范围:高:0.8-0.87;低:0.7-0.75;
最大=pclk/[(TSEG1+TSEG2+3-(SJW+))*(BRP+1)];
最小=pclk/[(TSEG1+TSEG2+3+(SJW+))*(BRP+1)];
BRP=3,TSEG1=3,TSEG2=1,SJW=3,采样率=83.3% |