MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
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
Interrupt Control Register 2
Address 00FF16
Clock Run-in Register 3
b7 b6 b5 b4 b3 b2 b1 b0
Clock run-in register 3 (CR3) [Address 020916
]
B
Name
Functions
After reset
0
R
W
W
0
to
3
R
Clock run-in count value of
sub-data slice line (CR30
to CR33)
0: Data is not latched yet Indeterminate
1: Data is latched
R
4
Data latch completion flag
for caption data in sub-
data slice line (CR34)
W
W
W
5
6
0: Main data slice line
1: Sub- data slice line
Indeterminate
R
R
Data slice line selection bit
for interrupt request
(CR35)
Interrupt mode selection bit
(CR36)
0: Interrupt occurs at end Indeterminate
of data slice line
1: Interrupt occurs at
completion of caption
data latch
7
Indeterminate
R
—
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
Clock Run-in Register 3
Address 020916
136
RENESAS [ RENESAS TECHNOLOGY CORP ]
