H83026 Просмотр технического описания (PDF) - Renesas Electronics

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H83026

16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Renesas Electronics 

8.4.5 Phase Counting Mode.......................................................................................... 252

8.4.6 16-Bit Timer Output Timing................................................................................ 254

8.5 Interrupts........................................................................................................................... 255

8.5.1 Setting of Status Flags ......................................................................................... 255

8.5.2 Timing of Clearing of Status Flags...................................................................... 257

8.5.3 Interrupt Sources.................................................................................................. 258

8.6 Usage Notes ...................................................................................................................... 259

Section 9 8-Bit Timers ....................................................................................................... 271

9.1 Overview........................................................................................................................... 271

9.1.1 Features................................................................................................................ 271

9.1.2 Block Diagram..................................................................................................... 273

9.1.3 Pin Configuration ................................................................................................ 274

9.1.4 Register Configuration......................................................................................... 275

9.2 Register Descriptions........................................................................................................ 276

9.2.1 Timer Counters (8TCNT) .................................................................................... 276

9.2.2 Time Constant Registers A (TCORA)................................................................. 277

9.2.3 Time Constant Registers B (TCORB) ................................................................. 278

9.2.4 Timer Control Register (8TCR)........................................................................... 279

9.2.5 Timer Control/Status Registers (8TCSR) ............................................................ 282

9.3 CPU Interface ................................................................................................................... 287

9.3.1 8-Bit Registers ..................................................................................................... 287

9.4 Operation .......................................................................................................................... 289

9.4.1 8TCNT Count Timing ......................................................................................... 289

9.4.2 Compare Match Timing....................................................................................... 290

9.4.3 Input Capture Signal Timing ............................................................................... 291

9.4.4 Timing of Status Flag Setting .............................................................................. 292

9.4.5 Operation with Cascaded Connection.................................................................. 294

9.4.6 Input Capture Setting........................................................................................... 296

9.5 Interrupt ............................................................................................................................ 298

9.5.1 Interrupt Sources.................................................................................................. 298

9.5.2 A/D Converter Activation.................................................................................... 299

9.6 8-Bit Timer Application Example .................................................................................... 299

9.7 Usage Notes ...................................................................................................................... 300

9.7.1 Contention between 8TCNT Write and Clear...................................................... 300

9.7.2 Contention between 8TCNT Write and Increment .............................................. 301

9.7.3 Contention between TCOR Write and Compare Match ...................................... 302

9.7.4 Contention between TCOR Read and Input Capture........................................... 303

9.7.5 Contention between Counter Clearing by Input Capture and Counter Increment 304

9.7.6 Contention between TCOR Write and Input Capture .......................................... 305

Rev. 2.00 Sep 20, 2005 page xiv of xxxviii

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