2009-2013 Microchip Technology Inc. DS70000582E-page 1
HIGHLIGHTS
This section of the manual contains the following major topics:
1.0 Introduction ....................................................................................................................... 2
2.0 Control Registers .............................................................................................................. 4
3.0 UART Baud Rate Generator ........................................................................................... 12
4.0 UART Configuration........................................................................................................ 14
5.0 UART Transmitter ........................................................................................................... 15
6.0 Data Bit Detection ........................................................................................................... 20
7.0 UART Receiver ............................................................................................................... 21
8.0 Using the UART for 9-Bit Communication ...................................................................... 26
9.0 Other Features of the UART ........................................................................................... 29
10.0 UART Operation with DMA ............................................................................................. 31
11.0 UART Operation During CPU Sleep and Idle Modes ..................................................... 33
12.0 Operation of UxCTS and UxRTS Control Pins ............................................................... 35
13.0 Infrared Support.............................................................................................................. 37
14.0 LIN/J2602 Support.......................................................................................................... 40
15.0 Smart Card Support ........................................................................................................ 42
16.0 Registers Map................................................................................................................. 51
17.0 Related Application Notes............................................................................................... 52
18.0 Revision History .............................................................................................................. 53
Universal Asynchronous Receiver Transmitter (UART)
