M16C65 Datasheet, PDF (14/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

14.2.2
Interrupt Control Register 1
(TB5IC, TB4IC/U1BCNIC, TB3IC/U0BCNIC, BCNIC, DM0IC to DM3IC,
KUPIC, ADIC, S0TIC to S2TIC, S0RIC to S2RIC, TA0IC to TA4IC, TB0IC to
TB2IC, U5BCNIC/CEC1IC, S5TIC/CEC2IC, S5RIC to S7RIC, U6BCNIC/
RTCTIC, S6TIC/RTCCIC, U7BCNIC/PMC0IC, S7TIC/PMC1IC, IICIC,
SCLDAIC)................................................................................................. 223
14.2.3 Interrupt Control Register 2 (INT7IC, INT6IC,
INT3IC, S4IC/INT5IC, S3IC/INT4IC, INT0IC to INT2IC) .......................... 224
14.2.4 Interrupt Source Select Register 3 (IFSR3A) ........................................... 225
14.2.5 Interrupt Source Select Register 2 (IFSR2A) ........................................... 226
14.2.6 Interrupt Source Select Register (IFSR)................................................... 227
14.2.7 Address Match Interrupt Enable Register (AIER)..................................... 228
14.2.8 Address Match Interrupt Enable Register 2 (AIER2)................................ 228
14.2.9 Address Match Interrupt Register i (RMADi) (i = 0 to 3) ........................ 229
14.2.10 Port Control Register (PCR) ..................................................................... 230
14.2.11 NMI/SD Digital Filter Register (NMIDF).................................................... 231
14.3 Types of Interrupt ............................................................................................ 232
14.4 Software Interrupts .......................................................................................... 233
14.4.1 Undefined Instruction Interrupt ................................................................. 233
14.4.2 Overflow Interrupt ..................................................................................... 233
14.4.3 BRK Interrupt............................................................................................ 233
14.4.4 INT Instruction Interrupt............................................................................ 233
14.5 Hardware Interrupts......................................................................................... 234
14.5.1 Special Interrupts...................................................................................... 234
14.5.2 Peripheral Function Interrupts .................................................................. 234
14.6 Interrupts and Interrupt Vectors....................................................................... 235
14.6.1 Fixed Vector Tables .................................................................................. 236
14.6.2 Relocatable Vector Tables ........................................................................ 236
14.7 Interrupt Control .............................................................................................. 239
14.7.1 Maskable Interrupt Control ....................................................................... 239
14.7.2 Interrupt Sequence ................................................................................... 240
14.7.3 Interrupt Response Time .......................................................................... 241
14.7.4 Variation of IPL When Interrupt Request is Accepted .............................. 241
14.7.5 Saving Registers ...................................................................................... 242
14.7.6 Returning from an Interrupt Routine ......................................................... 243
14.7.7 Interrupt Priority ........................................................................................ 243
14.7.8 Interrupt Priority Level Select Circuit ........................................................ 243
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