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User’s Manual U12790EJ2V0UD
13.4.4 2-wire serial I/O mode operation ...........................................................................................
265
13.4.5 I2C bus mode operation .........................................................................................................
270
13.4.6 Cautions on use of I2C bus mode .........................................................................................
290
13.4.7 Restrictions in using I2C bus mode .......................................................................................
292
13.4.8 SCK0/SCL/P27 pin output manipulation ...............................................................................
294
CHAPTER 14 SERIAL INTERFACE SIO1 ........................................................................................ 295
14.1 Functions of Serial Interface SIO1 ................................................................................. 295
14.2 Configuration of Serial Interface SIO1 ........................................................................... 296
14.3 Control Registers of Serial Interface SIO1 .................................................................... 299
14.4 Operations of Serial Interface SIO1 ............................................................................... 306
14.4.1 Operation stop mode .............................................................................................................
306
14.4.2 3-wire serial I/O mode operation ...........................................................................................
307
14.4.3 3-wire serial I/O mode operation with automatic transmit/receive function ........................
311
CHAPTER 15 SERIAL INTERFACE SIO3 ........................................................................................ 339
15.1 Function of Serial Interface SIO3 ................................................................................... 339
15.2 Configuration of Serial Interface SIO3 ........................................................................... 340
15.3 Registers Controlling Serial Interface SIO3 .................................................................. 341
15.4 Operation of Serial Interface SIO3 ................................................................................. 343
15.4.1 Operation stop mode .............................................................................................................
343
15.4.2 3-wire serial I/O mode ...........................................................................................................
344
CHAPTER 16 SERIAL INTERFACE UART0 (
PD178076, 178078, AND 178F098 ONLY) ......... 347
16.1 Functions of Serial Interface UART0 .............................................................................
347
16.2 Configuration of Serial Interface UART0 ....................................................................... 349
16.3 Registers Controlling Serial Interface UART0 .............................................................. 351
16.4 Operation of Serial Interface UART0 .............................................................................. 355
16.4.1 Operation stop mode .............................................................................................................
355
16.4.2 Asynchronous serial interface (UART) mode .......................................................................
356
CHAPTER 17
IEBus CONTROLLER (
PD178096A, 178098A, 178F098 ONLY) ..................... 367
17.1 IEBus Controller Functions ............................................................................................. 367
17.1.1 Communication protocol of IEBus .........................................................................................
367
17.1.2 Determination of bus mastership (arbitration) ......................................................................
368
17.1.3 Communication mode ............................................................................................................
368
17.1.4 Communication address ........................................................................................................
368
17.1.5 Broadcast communication .....................................................................................................
369
17.1.6 Transfer format of IEBus .......................................................................................................
369
17.1.7 Transfer data ..........................................................................................................................
379
17.1.8 Bit format ................................................................................................................................
382
17.2 Simple IEBus Controller .................................................................................................. 383
17.3 IEBus Controller Configuration ...................................................................................... 384
17.4 Internal Registers of IEBus Controller .......................................................................... 386