A - 7
14.13.4
Changing an Interrupt Source ......................................................................................... 221
14.13.5
Rewriting the Interrupt Control Register .......................................................................... 222
14.13.6
Instruction to Rewrite the Interrupt Control Register ....................................................... 222
14.13.7
INT
Interrupt .................................................................................................................... 223
Voltage Monitor 2 Control Register (VW2C) .................................................................... 225
Count Source Protection Mode Register (CSPR) ............................................................ 226
Watchdog Timer Refresh Register (WDTR) .................................................................... 227
Watchdog Timer Start Register (WDTS) .......................................................................... 227
Watchdog Timer Control Register (WDC) ....................................................................... 228
Optional Function Select Address 1 (OFS1) ................................................................... 229
Count Source Protection Mode Disabled ........................................................................ 230
Count Source Protection Mode Enabled ......................................................................... 231
15.6
Notes on the Watchdog Timer .................................................................................................. 233
DMAi Source Pointer (SARi) (i = 0 to 3) .......................................................................... 237
DMAi Destination Pointer (DARi) (i = 0 to 3) ................................................................... 237
DMAi Transfer Counter (TCRi) (i = 0 to 3) ....................................................................... 238
DMAi Control Register (DMiCON) (i = 0 to 3) .................................................................. 239
DMAi Source Select Register (DMiSL) (i = 0 to 3) .......................................................... 240
DMA Enabled .................................................................................................................. 243
DMA Request .................................................................................................................. 243
Transfer Cycles ............................................................................................................... 244
DMAC Transfer Cycles .................................................................................................... 246
Single Transfer Mode ...................................................................................................... 247
Repeat Transfer Mode ..................................................................................................... 248
Channel Priority and DMA Transfer Timing ..................................................................... 249
16.5
Notes on DMAC........................................................................................................................ 251
16.5.1
Write to the DMAE Bit in the DMiCON Register (i = 0 to 3) ............................................. 251
16.5.2
Changing the DMA Request Source ............................................................................... 251
Summary of Contents for M16C Series
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