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11.3 Register
Descriptions ........................................................................................................ 243
11.3.1 Timer Counters (TCNT) ...................................................................................... 244
11.3.2 Time Constant Registers A (TCORA) ................................................................. 244
11.3.3 Time Constant Registers B (TCORB).................................................................. 244
11.3.4 Timer Control Registers (TCR) ........................................................................... 244
11.3.5 Timer Control/Status Registers (TCSR) .............................................................. 247
11.4 Operation........................................................................................................................... 251
11.4.1 Pulse
Output......................................................................................................... 251
11.5 Operation
Timing.............................................................................................................. 252
11.5.1 TCNT Incrementation Timing ............................................................................. 252
11.5.2 Timing of CMFA and CMFB Setting When a Compare-Match Occurs.............. 253
11.5.3 Timing of Timer Output When a Compare-Match Occurs .................................. 254
11.5.4 Timing of Compare-Match Clear When a Compare-Match Occurs .................... 254
11.5.5 TCNT External Reset Timing .............................................................................. 254
11.5.6 Timing of Overflow Flag (OVF) Setting ............................................................. 255
11.6 Operation with Cascaded Connection ............................................................................... 255
11.6.1 16-Bit Count Mode .............................................................................................. 255
11.6.2 Compare-Match Count Mode .............................................................................. 256
11.7 Interrupt
Sources ............................................................................................................... 256
11.7.1 Interrupt Sources and DTC Activation ................................................................ 256
11.7.2 A/D Converter Activation .................................................................................... 257
11.8 Usage
Notes ...................................................................................................................... 258
11.8.1 Conflict between TCNT Write and Clear ............................................................ 258
11.8.2 Conflict between TCNT Write and Increment..................................................... 258
11.8.3 Conflict between TCOR Write and Compare-Match........................................... 259
11.8.4 Conflict between Compare-Matches A and B...................................................... 260
11.8.5 Switching of Internal Clocks and TCNT Operation............................................. 260
11.8.6 Conflict between Interrupts and Module Stop Mode ........................................... 262
11.8.7 Notes on Cascaded Connection............................................................................ 262
Section 12 Programmable Pulse Generator (PPG) ........................................... 263
12.1 Features ............................................................................................................................. 263
12.2 Input/Output
Pins .............................................................................................................. 265
12.3 Register
Descriptions ........................................................................................................ 265
12.3.1 Next Data Enable Registers H, L (NDERH, NDERL)......................................... 266
12.3.2 Output Data Registers H, L (PODRH, PODRL).................................................. 267
12.3.3 Next Data Registers H, L (NDRH, NDRL) ......................................................... 268
12.3.4 PPG Output Control Register (PCR).................................................................... 270
12.3.5 PPG Output Mode Register (PMR)...................................................................... 271
12.4 Operation........................................................................................................................... 272
12.4.1 Overview.............................................................................................................. 272
12.4.2 Output
Timing...................................................................................................... 273
12.4.3 Sample Setup Procedure for Normal Pulse Output .............................................. 274
Summary of Contents for H8S/2627
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