MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
I/O Polarity Control Register
b7 b6 b5 b4 b3 b2 b1 b0
0
I/O polarity control register (PC) [Address 021716
]
B
0
Name
Functions
After reset
0
R
R
W
W
H
SYNC input polarity
switch bit (PC0)
0 : Positive polarity input
1 : Negative polarity input
1
2
0 : Positive polarity input
1 : Negative polarity input
0
0
R
R
W
W
V
SYNC input polarity
switch bit (PC1)
0 : Positive polarity output
1 : Negative polarity output
R, G, B output polarity
switch bit (PC2)
3
4
Fix this bit to "0".
0
0
R
R
—
W
OUT1 output polarity
switch bit (PC4)
0 : Positive polarity output
1 : Negative polarity output
5
6
OUT2 output polarity
switch bit (PC5)
0 : Positive polarity output
1 : Negative polarity output
0
0
R
R
W
W
Display dot line selection
bit (PC6) (See note)
0 : “
” at even field
” at odd field
” at even field
” at odd field
“
1 : “
“
7
Field determination flag
(PC7)
0 : Even field
1 : Odd field
1
R
—
Note: Refer to Figure 79.
I/O Polarity Control Register
Address 021716
Raster Color Register
b7 b6 b5b4 b3 b2b1 b0
0 0
Raster color register (RC) [Address 021816
]
Functions
0 : No output
1 : Output
After reset R
W
B
0
Name
0
R W
R W
R W
Raster color R
control bit (RC0)
Raster color G
control bit (RC1)
0 : No output
1 : Output
0
0
1
2
Raster color B
control bit (RC2)
0 : No output
1 : Output
Fix these bits to “0.”
3, 4
0
0
R —
R W
Raster color OUT1
control bit (RC5)
0 : No output
1 : Output
5
6
Raster color OUT2
control bit (RC6)
0 : No output
1 : Output
0
0
R W
R W
7
OSD interrupt source
selection bit (RC7)
0 : Interrupt occurs at end of
OSD or EXOSD block
display
1 : Interrupt occurs at end of
CC mode block display
Raster Color Register
Address 021816
141
RENESAS [ RENESAS TECHNOLOGY CORP ]
