M37221M4H_15 Datasheet, PDF (24/114 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Interrupt Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt control register 1 (ICON1) [Address 00FE16]
B
Name
Functions
After reset R W
0 Timer 1 interrupt
enable bit (TM1E)
0 : Interrupt disabled 0 R W
1 : Interrupt enabled
1 Timer 2 interrupt
enable bit (TM2E)
0 : Interrupt disabled 0 R W
1 : Interrupt enabled
2 Timer 3 interrupt
enable bit (TM3E)
0 : Interrupt disabled 0 R W
1 : Interrupt enabled
3 Timer 4 interrupt
enable bit (TM4E)
0 : Interrupt disabled 0 R W
1 : Interrupt enabled
4 OSD interrupt enable bit 0 : Interrupt disabled 0 R W
(CRTE)
1 : Interrupt enabled
5 VSYNC interrupt enable 0 : Interrupt disabled 0 R W
bit (VSCE)
1 : Interrupt enabled
6 Multi-master I²C-BUS interface 0 : Interrupt disabled 0 R W
interrupt enable bit (IICE)
1 : Interrupt enabled
7 INT3 external interrupt 0 : Interrupt disabled 0 R W
enable bit (IT3E)
1 : Interrupt enabled
Fig. 8.3.4 Interrupt Control Register 1
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 external interrupt
enable bit (IT1E)
1 INT2 external interrupt
enable bit (IT2E)
2 Serial I/O interrupt
enable bit (S1E)
3 Fix this bit to “0.”
Functions
After reset
0 : Interrupt disabled
0
1 : Interrupt enabled
0 : Interrupt disabled
0
1 : Interrupt enabled
0 : Interrupt disabled
0
1 : Interrupt enabled
0
RW
RW
RW
RW
RW
4 f(XIN)/4096 interrupt
enable bit (MSE)
5 to 7 Fix these bits to “0.”
0 : Interrupt disabled
0
1 : Interrupt enabled
0
RW
RW
Fig. 8.3.5 Interrupt Control Register 2
Rev.1.00 Oct 01, 2002 page 22 of 110
REJ03B0134-0100Z