M37281EKSP Datasheet, PDF (94/172 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP
OSD Control Register 3
b7 b6 b5 b4 b3 b2 b1 b0
OSD control register 3 (OC3) [Address 021916]
B
Name
0 CC mode character color
selection bit (OC30)
Functions
0: Color code 0 to 7
1: Color code 8 to 15
After reset ^R W
0 RW
1, 2 CC mode character
background color
selection bits
(OC31, OC32)
(See note)
b1 b1
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
0 RW
3 CDOSD mode character 0: Color code 0 to 7
color selection bit (OC33) 1: Color code 8 to 15
0 RW
4 SPRITE color selection
bit (OC34)
5 OSD mode window
control bit (OC35)
6 CC mode window
control bit (OC36)
7 CDOSD mode window
control bit (OC37)
0: Color code 0 to 7
1: Color code 8 to 15
0: Window OFF
1: Window ON
0: Window OFF
1: Window ON
0: Window OFF
1: Window ON
0 RW
0 RW
0 RW
0 RW
Note: Color pallet 8 is always selected for solid space (when OUT1 output is selected),
regardress of value of this register.
Fig. 8.11.27 OSD Control Register 3
Color Pallet Register i
b7 b6 b5 b4 b3 b2 b1 b0
Color pallet register i (CRi) (i = 1 to 7, 9to15) [Addresses 024116to 024716,024916to 024F16]
B
Name
0, 1 R signal output control
bits (CRi0, CRi1)
Functions
After reset R W
b0 b1
Indeterminate R W
0 0: No output (See note)
0 1: 1/3 V CC
1 0: 2/3 V CC
1 1: V CC
2, 3 G signal output control
bits (CRi2, CRi3)
b3 b2
Indeterminate R W
0 0: No output (See note)
0 1: 1/3 V CC
1 0: 2/3 V CC
1 1: V CC
4, 5 B signal output control
bits (CRi4, CRi5)
b5 b4
Indeterminate R W
0 0: No output (See note)
0 1: 1/3 V CC
1 0: 2/3 V CC
1 1: V CC
6 OUT1 signal output
control bit (CRi6)
0: No output
1: Output
7 Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is indeterminate.
Indeterminate R W
Indeterminate R —
Note: When selecting digital output, the output is VCC at all values other than “00.”
Fig. 8.11.28 Color Pallet Register i (i = 1 to 7, 9 to 15)
Rev.1.01 2003.07.16 page 94 of 170