MC68HC705T16 MOTOROLA [Motorola, Inc], MC68HC705T16 Datasheet - Page 76

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

9
Character attributes:
BLNKG - Character blinking on/off
The blinking speed is controlled by BR1 and BR0 in Frame Control register 2.
BGEN - Character background display on/off
BGCOL2, BGCOL1, BGCOL0 - Character background color select
Selects a color from the color palette. See Section 9.3.4.
CCOL2, CCOL1, CCOL0 - Character color select
Selects a color from the color palette. See Section 9.3.4.
9.3.4
Ii, Ri, Gi, and Bi bits select the color for color palette i, where i=0, 1, 2,..., 7. I bit is the intensity
bit. There are 8 color palettes; each color palette is one of 16 colors. Figure 9-3 shows the color
palette organization and Table 9-1 shows the RGB color map.
MOTOROLA
9-6
1 (set)
0 (clear) –
1 (set)
0 (clear) –
Address
Palette 0
$1F
$20
$21
$22
Color Palette Registers
–
–
bit 7
I1
I3
I5
I7
Palette 1
Character blinking enabled.
Character blinking disabled.
Character background display enabled.
Character background display disabled.
bit 6
R1
R3
R5
R7
Figure 9-3 Color Palette Organization
Palette 2
bit 5
G1
G3
G5
G7
Color selected using Ii, Ri, Gi, and Bi
ON-SCREEN DISPLAY
Palette 3
bit 4
B1
B3
B5
B7
16 available colors
bit 3
I0
I2
I4
I6
Palette 4
bit 2
R0
R2
R4
R6
Palette 5
bit 1
G0
G2
G4
G6
bit 0
Palette 6
B0
B2
B4
B6
0000 0000
0000 0000
0000 0000
0000 0000
on reset
MC68HC05T16
State
Palette 7
TPG