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13.4.7
Serial Switch Register (SSEL) ................................................................................................... 301
13.5
Interrupt of UART ............................................................................................................................ 303
13.6
Operations of UART Functions ....................................................................................................... 304
13.6.1
Transmission Operations (Operating Mode 0, 1, 2, and 3) ....................................................... 306
13.6.2
Reception Operations (Operating Mode 0, 1, or 3) ................................................................... 307
13.6.3
Reception Operations (Operating Mode 2 Only) ....................................................................... 309
13.7
Program Example for UART ........................................................................................................... 311
CHAPTER 14 8-BIT SERIAL I/O ..................................................................................... 313
14.1
Overview of 8-Bit Serial I/O ............................................................................................................ 314
14.2
Configuration of 8-Bit Serial I/O ...................................................................................................... 315
14.3
Pins of 8-Bit Serial I/O .................................................................................................................... 317
14.4
Registers of 8-Bit Serial I/O ............................................................................................................ 319
14.4.1
Serial Mode Register (SMR) ...................................................................................................... 320
14.4.2
Serial Data Register (SDR) ....................................................................................................... 323
14.5
Interrupt of 8-Bit Serial I/O .............................................................................................................. 324
14.6
Operations of Serial Output Functions ............................................................................................ 325
14.7
Operations of Serial Input Functions .............................................................................................. 327
14.8
8-Bit Serial I/O Operation in Each Mode ......................................................................................... 329
14.9
Notes on Using 8-Bit Serial I/O ....................................................................................................... 333
14.10 Example of 8-Bit Serial I/O Connection .......................................................................................... 334
14.11 Program Example for 8-Bit Serial I/O ............................................................................................. 336
CHAPTER 15 BUZZER OUTPUT .................................................................................... 339
15.1
Overview of the Buzzer Output ....................................................................................................... 340
15.2
Configuration of the Buzzer Output ................................................................................................ 341
15.3
Pin of the Buzzer Output ................................................................................................................. 342
15.4
Buzzer Register (BZCR) ................................................................................................................. 343
15.5
Program Example for Buzzer Output .............................................................................................. 345
CHAPTER 16 WILD REGISTER FUNCTION .................................................................. 347
16.1
Overview of the Wild Register Function .......................................................................................... 348
16.2
Configuration of the Wild Register Function ................................................................................... 349
16.3
Registers of the Wild Register Function ......................................................................................... 350
16.3.1
Data Setting Registers (WRDR0 and WRDR1) ......................................................................... 351
16.3.2
Higher Address Set Registers (WRARH0 and WRARH1) ......................................................... 352
16.3.3
Lower Address Set Registers (WRARL0 and WRARL1) ........................................................... 353
16.3.4
Address Comparison EN Register (WREN) .............................................................................. 354
16.3.5
Data Test Set Register (WROR) ............................................................................................... 355
16.4
Operations of the Wild Register Functions ..................................................................................... 356
