下载
© 2007 Microchip Technology Inc. Advance Information DS39708B-page 21-1
UART
21
Section 21. UART
HIGHLIGHTS
This section of the manual contains the following major topics:
21.1 Introduction ................................................................................................................21-2
21.2 Control Registers........................................................................................................21-3
21.3 UART Baud Rate Generator (BRG) ........................................................................... 21-9
21.4 UART Configuration ................................................................................................. 21-13
21.5 UART Transmitter..................................................................................................... 21-14
21.6 UART Receiver ........................................................................................................ 21-18
21.7 Using the UART for 9-Bit Communication................................................................ 21-21
21.8 Receiving Break Characters..................................................................................... 21-23
21.9 Initialization ..............................................................................................................21-23
21.10 Other Features of the UART .................................................................................... 21-25
21.11 UART Operation During CPU Sleep and Idle Modes............................................... 21-27
21.12 Operation of UxCTS and UxRTS Control Pins......................................................... 21-29
21.13 Infrared Support ....................................................................................................... 21-31
21.14 Registers Associated with the UART Module........................................................... 21-34
21.15 Electrical Specifications............................................................................................ 21-35
21.16 Design Tips .............................................................................................................. 21-36
21.17 Related Application Notes........................................................................................ 21-37
21.18 Revision History ....................................................................................................... 21-38
