h8s2277 Renesas Electronics Corporation., h8s2277 Datasheet - Page 14

• Manufacturer Part Number: h8s2277
• Description: Hitachi Single-chip Microcomputer H8s/2276 Series
• Manufacturer: Renesas Electronics Corporation.

Section 11 8-Bit Timers (TMR)
11.1 Overview............................................................................................................................ 327
11.2 Register Descriptions......................................................................................................... 330
11.3 Operation ........................................................................................................................... 337
11.4 Interrupts............................................................................................................................ 340
11.5 Sample Application ........................................................................................................... 341
11.6 Usage Notes ....................................................................................................................... 342
Section 12 Watchdog Timer (WDT)
12.1 Overview............................................................................................................................ 347
12.2 Register Descriptions......................................................................................................... 351
12.3 Operation ........................................................................................................................... 359
viii
11.1.1 Features ................................................................................................................ 327
11.1.2 Block Diagram...................................................................................................... 328
11.1.3 Register Configuration ......................................................................................... 329
11.2.1 Timer Counters 0 and 1 (TCNT0, TCNT1).......................................................... 330
11.2.2 Time Constant Registers A0 and A1 (TCORA0, TCORA1) ............................... 330
11.2.3 Time Constant Registers B0 and B1 (TCORB0, TCORB1)................................ 331
11.2.4 Timer Control Registers 0 and 1 (TCR0, TCR1) ................................................. 331
11.2.5 Timer Control/Status Registers 0 and 1 (TCSR0, TCSR1).................................. 334
11.2.6 Module Stop Control Register A (MSTPCRA).................................................... 336
11.3.1 TCNT Increment Timing...................................................................................... 337
11.3.2 Compare Match Timing ....................................................................................... 337
11.3.3 Timing of Overflow Flag (OVF) Setting.............................................................. 339
11.3.4 Operation with Cascaded Connection .................................................................. 339
11.4.1 Interrupt Sources and DTC Activation................................................................. 340
11.4.2 A/D Converter Activation .................................................................................... 340
11.6.1 Contention between TCNT Write and Clear........................................................ 342
11.6.2 Contention between TCNT Write and Increment ................................................ 343
11.6.3 Contention between TCOR Write and Compare Match ...................................... 344
11.6.4 Switching of Internal Clocks and TCNT Operation............................................. 344
11.6.5 Interrupts and Module Stop Mode........................................................................ 346
12.1.1 Features ................................................................................................................ 347
12.1.2 Block Diagram...................................................................................................... 348
12.1.3 Pin Configuration ................................................................................................. 349
12.1.4 Register Configuration ......................................................................................... 350
12.2.1 Timer Counter (TCNT) ........................................................................................ 351
12.2.2 Timer Control/Status Register (TCSR) ................................................................ 351
12.2.3 Reset Control/Status Register (RSTCSR) (WDT0 Only) .................................... 356
12.2.4 Pin Function Control Register (PFCR) ................................................................ 357
12.2.5 Notes on Register Access ..................................................................................... 358
12.3.1 Watchdog Timer Operation.................................................................................. 359
12.3.2 Interval Timer Operation...................................................................................... 360
...................................................................................... 327
.............................................................................. 347