Fujitsu MB90480 Series Hardware Manual page 13

7.5.3 Hold function ................................................................................................................................. 174
CHAPTER 8 I/O PORT ................................................................................................... 177
8.1 Functions of I/O Port .......................................................................................................................... 178
8.2 Registers for I/O Port ......................................................................................................................... 179
8.2.1 Port registers (PDR0 to PDRA) .................................................................................................... 180
8.2.2 Port direction registers (DDR0 to DDRA) ..................................................................................... 181
8.2.3 Other registers .............................................................................................................................. 183
CHAPTER 9 TIMEBASE TIMER .................................................................................... 185
9.1 Overview of Timebase Timer ............................................................................................................. 186
9.2 Timebase Timer Configuration .......................................................................................................... 188
9.3 Timebase Timer Control Register (TBTC) ......................................................................................... 190
9.4 Timebase Timer Interrupt .................................................................................................................. 192
9.5 Timebase Timer Operation ................................................................................................................ 193
9.6 Notes on Using Timebase Timer ....................................................................................................... 196
9.7 Sample Programs of Timebase timer ................................................................................................ 197
CHAPTER 10 WATCHDOG TIMER ................................................................................. 199
10.1 Overview of Watchdog Timer ............................................................................................................ 200
10.2 Watchdog Timer Control Register (WDTC) ....................................................................................... 201
10.3 Watchdog Timer Configuration .......................................................................................................... 203
10.4 Watchdog Timer Operation ................................................................................................................ 205
10.5 Notes on Using Watchdog Timer ....................................................................................................... 207
10.6 Sample Programs of Watchdog Timer ............................................................................................... 208
CHAPTER 11 WATCH TIMER ......................................................................................... 209
11.1 Overview of Watch Timer .................................................................................................................. 210
11.2 Watch Timer Configuration ................................................................................................................ 211
11.3 Watch Timer Control Register (WTC) ................................................................................................ 212
11.4 Watch Timer Operation ...................................................................................................................... 214
CHAPTER 12 16-BIT INPUT/OUTPUT TIMER ................................................................ 217
12.1 Overview of 16-bit Input/Output Timer ............................................................................................... 218
12.2 Configuration of 16-bit Input/Output Timer ........................................................................................ 219
12.3 Configuration and Function of 16-bit Input/Output Timer Register .................................................... 223
12.3.1 Free-running timer ........................................................................................................................ 224
12.3.2 Output compare ............................................................................................................................ 229
12.3.3 Input capture ................................................................................................................................. 233
12.4 Interrupt of 16-bit Input/Output Timer ................................................................................................ 235
12.5 16-bit Input/Output Timer Operation .................................................................................................. 237
12.5.1 Operation of free-running timer .................................................................................................... 238
12.5.2 Operation of output compare ........................................................................................................ 240
12.5.3 Operation of input capture ............................................................................................................ 242
12.5.4 Free-running timer timing ............................................................................................................. 243
12.5.5 Output compare timing ................................................................................................................. 244
12.5.6 Timing of input capture ................................................................................................................. 245
12.6 Program Example of 16-bit Input/Output Timer ................................................................................. 246
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