7220 Datasheet, PDF (153/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

M37220M3-XXXSP/FP
4.5 Functional description
4.5.4 Interrupts
The M37220M3-XXXSP/FP has 13 sources (reset is included) of interrupts.
Table 4.5.3 Interrupt sources, vector addresses and priority
Priority
Interrupt sources
Vector addresses
High-order byte Low-order byte
1 Reset (Note)
FFFF16
FFFE16
2 CRT interrupt
FFFD16
FFFC16
3 INT2 interrupt
FFFB16
FFFA16
4 INT1 interrupt
FFF916
FFF816
5 Timer 4 interrupt
FFF516
FFF416
6 f(XIN)/4096 interrupt
FFF316
FFF216
7 VSYNC interrupt
FFF116
FFF016
8 Timer 3 interrupt
FFEF16
FFEE16
9 Timer 2 interrupt
FFED16
FFEC16
10 Timer 1 interrupt
FFEB16
FFEA16
11 Serial I/O interrupt
FFE916
FFE816
12 INT3 interrupt
FFE516
FFE416
13 BRK instruction interrupt FFDF16
FFDE16
Remarks
Non-maskable
Active edge selectable
Active edge selectable
Active edge selectable
Active edge selectable
Non-maskable (software interrupt)
Note: Reset are included in the table because it operates in the same way as interrupts.
The different interrupt-related registers from those of M37221M6-XXXSP/FP are shown in the following
pages.
7220 Group User’s Manual
4-15