7.6
8
Chapter
8.1
Operating Modes.................................................................................................................... 8-1
8.1.1 Synchronous Mode ................................................................................................................ 8-2
8.1.2 Asynchronous Mode .............................................................................................................. 8-2
8.1.3 Multidrop Mode ..................................................................................................................... 8-2
8.1.3.1
8.1.3.2
Wired-OR Mode .............................................................................................................. 8-3
8.1.3.3
Idle Line Wakeup............................................................................................................. 8-3
8.1.3.4
Address Mode Wakeup.................................................................................................... 8-3
8.2
I/O Signals ............................................................................................................................. 8-3
8.2.1 Receive Data (RXD) .............................................................................................................. 8-4
8.2.2 Transmit Data (TXD)............................................................................................................. 8-4
8.3
SCI After Reset ...................................................................................................................... 8-5
8.4
SCI Initialization.................................................................................................................... 8-6
8.5
Exceptions.............................................................................................................................. 8-8
8.6
SCI Programming Model....................................................................................................... 8-9
8.6.4 SCI Data Registers............................................................................................................... 8-22
8.6.4.1
8.6.4.2
8.7
9
Chapter
9.1
Overview................................................................................................................................ 9-1
Contents
ix