7.3 Sleep Mode Interference
If the MCU is transmitting, the UART hardware must be idle before entering sleep. A character loaded into the transmit buffer before a sleep mode will not transmit correctly and appear as garbled data to the receiver.
If the MCU is transmitting, the UART hardware must be idle before entering sleep. A character loaded into the transmit buffer before a sleep mode will not transmit correctly and appear as garbled data to the receiver.
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.