7220 Datasheet, PDF (58/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

FUNCTIONAL DESCRIPTION
2.5 Interrupts
Interrupt Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt control register 1 (ICON1) [Address 00FE16]
B
Name
0 Timer 1 interrupt
enable bit (TM1E)
1 Timer 2 interrupt
enable bit (TM2E)
2 ^{Timer 3 interrupt}
enable bit (TM3E)
3 ^{Timer 4 interrupt}
enable bit (TM4E)
4 CRT interrupt enable
bit (CRTE)
5 VSYNC interrupt
enable bit (VSCE)
6 Multi-master I²C-BUS interface
interrupt enable bit (IICE)
7 INT3 interrupt
enable bit (IT3E)
Functions
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
After reset ^{R W}
0 RW
0 RW
0 RW
0 RW
0 RW
0 RW
0 RW
0 RW
Fig. 2.5.5 Interrupt control register 1 (address 00FE16)
Interrupt Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
000 0
Interrupt control register 2 (ICON2) [Address 00FF16]
B
Name
0 INT1 interrupt
enable bit (IT1E)
1 INT2 interrupt enable
bit (IT2E)
2 Serial I/O interrupt
enable bit (S1E)
3 ^{Fix this bit to “0.”}
4 f(XIN)/4096 interrupt
enable bit (MSE)
5
to
Fix these bits to “0.”
7
Functions
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
After reset R W
0 RW
0 RW
0 RW
0 RW
0 RW
0 RW
Fig. 2.5.6 Interrupt control register 2 (address 00FF16)
7220 Group User’s Manual
2-31