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HD6433308 Datasheet, PDF (6/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer
6.2.1 Free-Running Counter (FRC) – H'FF92.................................................................. 126
6.2.2 Output Compare Registers A and B (OCRA and OCRB) – H'FF94....................... 127
6.2.3 Input Capture Registers A to D (ICRA to ICRD) –
H'FF98, H'FF9A, H'FF9C, H'FF9E ......................................................................... 127
6.2.4 Timer Interrupt Enable Register (TIER) – H'FF90 ................................................. 129
6.2.5 Timer Control/Status Register (TCSR) – H'FF91 ................................................... 131
6.2.6 Timer Control Register (TCR) – H'FF96 ................................................................ 134
6.2.7 Timer Output Compare Control Register (TOCR) – H'FF97.................................. 136
6.3 CPU Interface ....................................................................................................................... 137
6.4 Operation .............................................................................................................................. 139
6.4.1 FRC Incrementation Timing.................................................................................... 139
6.4.2 Output Compare Timing.......................................................................................... 141
6.4.3 Input Capture Timing .............................................................................................. 142
6.4.4 Setting of FRC Overflow Flag (OVF)..................................................................... 145
6.5 Interrupts............................................................................................................................... 146
6.6 Sample Application............................................................................................................... 146
6.7 Application Notes ................................................................................................................. 147
Section 7. 8-Bit Timers .........................................................................................................153
7.1 Overview............................................................................................................................... 153
7.1.1 Features.................................................................................................................... 153
7.1.2 Block Diagram......................................................................................................... 153
7.1.3 Input and Output Pins .............................................................................................. 154
7.1.4 Register Configuration ............................................................................................ 155
7.2 Register Descriptions............................................................................................................ 155
7.2.1 Timer Counter (TCNT) – H'FFC8 (TMR0), H'FFD0 (TMR1) ............................... 155
7.2.2 Time Constant Registers A and B (TCORA and TCORB) –
H'FFCA and H'FFCB (TMR0), H'FFD2 and H'FFD3 (TMR1) .............................. 156
7.2.3 Timer Control Register (TCR) – H'FFC8 (TMR0), H'FFD0 (TMR1) .................... 156
7.2.4 Timer Control/Status Register (TCSR) – H'FFC9 (TMR0), H'FFD1 (TMR1) ....... 158
7.3 Operation .............................................................................................................................. 160
7.3.1 TCNT Incrementation Timing................................................................................. 160
7.3.2 Compare Match Timing........................................................................................... 161
7.3.3 External Reset of TCNT .......................................................................................... 163
7.3.4 Setting of TCSR Overflow Flag .............................................................................. 164
7.4 Interrupts............................................................................................................................... 165
7.5 Sample Application............................................................................................................... 165
7.6 Application Notes ................................................................................................................. 166
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