A word of caution: some units may need to be reinitialized after power-off. I vaguely recall the USART being mentioned.
In other words, if something flaky happens after the processor awakens, check the datasheet first then start debugging!
A word of caution: some units may need to be reinitialized after power-off. I vaguely recall the USART being mentioned.
In other words, if something flaky happens after the processor awakens, check the datasheet first then start debugging!