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msp430fr2311 进入LPM3,TB0 设为定时timer(aclk时钟源),TB1设置为PWM(smclk时钟源),为何TB1不同频率会影响定时timer周期?
注: 在中断内触发PWM, 不同smclk对 指令周期确实有一定影响,设置tb1 8M smclk 比1M 时tb0 timer 周期缩短了10%