MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Interrupt Request Register 2
b7b6 b5b4b3 b2b1b0
0
Interrupt request register 2 (IREQ2) [Address 00FD16
]
B
0
Name
Functions
R W
After reset
INT1 interrupt
request bit (INT1R)
0 : No interrupt request issued
1 : Interrupt request issued
0
0
0
0
0
0
R ✽
Data slicer interrupt
request bit (DSR)
1
2
3
4
5
6
0 : No interrupt request issued
1 : Interrupt request issued
R ✽
R ✽
R ✽
R ✽
R ✽
R ✽
Serial I/O interrupt
request bit (SIOR)
0 : No interrupt request issued
1 : Interrupt request issued
f(XIN)/4096 interrupt
request bit (1MSR)
0 : No interrupt request issued
1 : Interrupt request issued
INT2 interrupt
request bit (INT2R)
Multi-master I2C-BUS
interrupt request bit (IICR)
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
Timer 5 • 6 interrupt
request bit (T56R)
0 : No interrupt request issued
1 : Interrupt request issued
0
0
7
Fix this bit to “0.”
R W
✽: “0” can be set by software, but “1” cannot be set.
Interrupt Request Register 2
Address 00FD16
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 —
Interrupt Control Register 1
Address 00FE16
135
RENESAS [ RENESAS TECHNOLOGY CORP ]
