MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Interrupt Control Register 1
b7b6 b5b4b3 b2b1b0
Interrupt control register 1 (ICON1) [Address 00FE16]
After reset
B
0
Name
Functions
R W
R W
Timer 1 interrupt
enable bit (TM1E)
0
0 : Interrupt disabled
1 : Interrupt enabled
Timer 2 interrupt
enable bit (TM2E)
1
2
3
4
5
6
0 : Interrupt disabled
1 : Interrupt enabled
0
0
0
0
0
0
R W
R W
R W
R W
R W
R W
Timer 3 interrupt
enable bit (TM3E)
0 : Interrupt disabled
1 : Interrupt enabled
Timer 4 interrupt
enable bit (TM4E)
0 : Interrupt disabled
1 : Interrupt enabled
OSD interrupt enable bit
(CRTE)
0 : Interrupt disabled
1 : Interrupt enabled
V
SYNC interrupt enable
0 : Interrupt disabled
1 : Interrupt enabled
bit (VSCR)
A-D conversion • INT3
interrupt enable bit (ADE)
0 : Interrupt disabled
1 : Interrupt enabled
Nothing is assigned. This bit is a write disable
bit. When this bit is read out, the value is “0.”
7
0
R —
Fig. 13. Interrupt Control Register 1
Interrupt Control Register 2
b7b6 b5b4b3 b2b1b0
Interrupt control register 2 (ICON2) [Address 00FF16]
After reset
B
0
Name
Functions
R W
R W
INT1 interrupt
enable bit (INT1E)
0
0 : Interrupt disabled
1 : Interrupt enabled
Data slicer interrupt
enable bit (DSR)
1
2
3
4
0 : Interrupt disabled
1 : Interrupt enabled
0
0
0
0
R W
R W
R W
R W
Serial I/O interrupt
enable bit (SIOE)
0 : Interrupt disabled
1 : Interrupt enabled
f(XIN)/4096 interrupt
enable bit (1MSE)
0 : Interrupt disabled
1 : Interrupt enabled
INT2 interrupt enable
bit (INT2E)
0 : Interrupt disabled
1 : Interrupt enabled
Multi-master I2C-BUS interface
interrupt enable bit (IICE)
5
6
7
0 : Interrupt disabled
1 : Interrupt enabled
0
0
0
R W
R W
R W
Timer 5 • 6 interrupt
enable bit (T56E)
0 : Interrupt disabled
1 : Interrupt enabled
Timer 5 • 6 interrupt
switch bit (TM56S)
0 : Timer 5
1 : Timer 6
Fig. 14. Interrupt Control Register 2
20