39.1.2 Modes of operation
39.1.2.1 Stop mode
The UART will remain functional during Stop mode, provided the asynchronous transmit
and receive clock remains enabled. The UART can generate an interrupt or DMA request
to cause a wakeup from Stop mode.
39.1.2.2 Wait mode
The UART can be configured to Stop in Wait modes, when the DOZEEN bit is set. The
transmitter and receiver will finish transmitting/receiving the current word.
39.1.2.3 Debug mode
The UART remains functional in debug mode.
39.1.3 Block diagram
The following figure shows the transmitter portion of the UART.
Introduction
KL25 Sub-Family Reference Manual, Rev. 3, September 2012
722 Freescale Semiconductor, Inc.
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