MC68HC705T16 MOTOROLA [Motorola, Inc], MC68HC705T16 Datasheet - Page 77

• Manufacturer Part Number: MC68HC705T16
• Description: High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
• Manufacturer: MOTOROLA [Motorola, Inc]

9.4
The OSD module has 4 row buffers for displaying on-screen characters; row 0, 1, 2 and 3. Each
row buffer consists of 32 pairs of Character register pairs (See Section 9.3). There are 5 registers
which affects the position and attributes of the display rows.
9.4.1
MTRXi - Character dot matrix select for row i
If 12x16 matrix is selected, a maximum of 32 characters may be displayed for that row. Rows
selected for 16x16 matrix characters, the maximum is 24 characters per row; the remaining 8
MC68HC05T16
1 (set)
0 (clear) –
Address
$23
Row
Row Attribute Register
MTRX3
–
bit 7
Bit definitions may be reversed, depending on the chroma unit in the TV
12x16 character dot matrix selected for row i.
16x16 character dot matrix selected for row i.
MTRX2
Ii
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
bit 6
Ri
MTRX1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
bit 5
Table 9-1 RGB Color Map
ON-SCREEN DISPLAY
Gi
MTRX0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
bit 4
Bi
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
R3BE
bit 3
R2BE
bit 2
Dark Magenta
Dark Green
Dark Yellow
Dark Cyan
Dark Grey
Light Grey
Dark Blue
Dark Red
Magenta
Green
Yellow
Color
White
Black
Cyan
Blue
Red
R1BE
bit 1
R0BE
bit 0
0000 0000
on reset
State
MOTOROLA
TPG
9-7
9