![](http://datasheet.mmic.net.cn/30000/M37225M6-XXXSP_datasheet_2359636/M37225M6-XXXSP_22.png)
22
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37225M6/M8/MA/MC–XXXSP
M37225ECSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Fig. 8.3.4 Interrupt Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt control register 1 (ICON1) [Address 00FE16]
BName
Functions
RW
Interrupt Control Register 1
0
Timer 1 interrupt
enable bit (TM1E)
0 : Interrupt disabled
1 : Interrupt enabled
1
Timer 2 interrupt
enable bit (TM2E)
2
Timer 3 interrupt
enable bit (TM3E)
3
4
OSD interrupt enable bit
(OSDE)
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0
RW
R
7
Timer 4 interrupt
enable bit (TM4E)
0 : Interrupt disabled
1 : Interrupt enabled
5
VSYNC interrupt enable
bit (VSCE)
0 : Interrupt disabled
1 : Interrupt enabled
0
RW
6
0 : Interrupt disabled
1 : Interrupt enabled
0
RW
After reset
INT3 external interrupt
enable bit (IT3E)
Multi-master I2C-BUS interface
interrupt enable bit (IICE)
0 : Interrupt disabled
1 : Interrupt enabled
W
Fig. 8.3.5 Interrupt Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt control register 2 (ICON2) [Address 00FF16]
BNameFunctions
After reset RW
Interrupt Control Register 2
0 INT1 external interrupt
enable bit (IT1E)
0 : Interrupt disabled
1 : Interrupt enabled
1 INT2 external interrupt
enable bit (IT2E)
2 Serial I/O interrupt
enable bit (S1E)
3
4 f(XIN)/4096 interrupt
enable bit (MSE)
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0
RW
SPRITE OSD interrupt
enable bit (SPE)
0 : Interrupt disabled
1 : Interrupt enabled
5 Fix this bit to “0.”
0
R
6 A-D conversion interrupt
enable bit (ADE)
0 : Interrupt disabled
1 : Interrupt enabled
0
RW
7
0
R —
Nothing is assigned. This bit is a write disable
bit. When this bit is read out, the value is “0.”
0
W