本帖最后由 iceyu 于 2013-8-7 21:42 编辑
Driving nSLEEP low will put the device into a low power sleep state.In this state,the H-bridges are disabled, the
gate drive charge pumpis stopped,the V3P3OUT regulator is disabled,and all internal clocks are stopped.
芯片手册P13页,会不会是这原因呢?
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