User`s manual

94
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37281MAH–XXXSP,M37281MFH–XXXSP
M37281MKH–XXXSP,M37281EKSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Fig. 8.11.27 OSD Control Register 3
Fig. 8.11.28 Color Pallet Register i (i = 1 to 7, 9 to 15)
b7 b6 b5 b4 b3 b2 b1 b0
Color pallet register i (CRi) (i = 1 to 7, 9to15) [Addresses 024116to 024716,024916to 024F16]
Color Pallet Register i
0, 1 R signal output control
bits (CRi0, CRi1)
Indeterminate
R
W
2, 3 Indeterminate
R
W
4, 5 Indeterminate
R
W
Indeterminate
W
6
7 Indeterminate
R
R
G signal output control
bits (CRi2, CRi3)
0 0: No output (See note)
0 1: 1/3 V
CC
1 0: 2/3 V CC
11: V CC
b0 b1
Note: When selecting digital output, the output is V CC at all values other than “00.”
B signal output control
bits (CRi4, CRi5)
OUT1 signal output
control bit (CRi6)
0: No output
1: Output
0 0: No output (See note)
0 1: 1/3 V
CC
1 0: 2/3 V CC
11: V CC
b3 b2
0 0: No output (See note)
0 1: 1/3 V
CC
1 0: 2/3 V CC
11: V CC
b5 b4
B Name Functions After reset R
W
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is indeterminate.
—
b7 b6 b5 b4 b3 b2 b1 b0
OSD control register 3 (OC3) [Address 0219
16]
B Name Functions R
W
OSD Control Register 3
0 CC mode character color
selection bit (OC30)
0
R
W
1, 2
0: Color code 0 to 7
1: Color code 8 to 15
0
R
W
30
R
W
0
W
4
R
CC mode character
background color
selection bits
(OC31, OC32)
(See note)
0 0: Color code 0 to 3
0 1: Color code 4 to 7
1 0: Color code 8 to 11
1 1: Color code 12 to 15
b1 b1
Note: Color pallet 8 is always selected for solid space (when OUT1 output is selected),
regardress of value of this register.
CDOSD mode character
color selection bit (OC33)
0: Color code 0 to 7
1: Color code 8 to 15
SPRITE color selection
bit (OC34)
0: Color code 0 to 7
1: Color code 8 to 15
0
W
5
R
OSD mode window
control bit (OC35)
0: Window OFF
1: Window ON
0
W
6
R
CC mode window
control bit (OC36)
0: Window OFF
1: Window ON
0
W
7
R
CDOSD mode window
control bit (OC37)
0: Window OFF
1: Window ON
After reset