Four Bits/Pixel Active Matrix Color Mode; Table 19-26 Four Bits/Pixel Passive Matrix Color Mode - Motorola DragonBall MC9328MX1 Reference Manual

LCD Controller
BIT 11
TYPE rw
?
RESET
Table 19-26. Four Bits/Pixel Passive Matrix Color Mode
Name
R Red Level (color display)—Represents the red component level in the color.
Bits 11–8
G Green Level (color display)—Represents the green component level in the color.
Bits 7–4
B Blue Level (color display)—Represents the blue component level in the color.
Bits 3–0
19.4.17.4 Eight Bits/Pixel Passive Matrix Color Mode
In eight bits/pixel passive matrix color mode, an 8-bit code represents a 12-bit color. Because eight bits are
used to encode the color, a maximum of 256 colors can be selected out of a palette of 4096. All 256
mapping RAM entries must be written to define the codes for the 256 available combinations.
BIT 11
TYPE rw
?
RESET
Table 19-27. Eight Bits/Pixel Passive Matrix Color Mode
Name
R Red Level (color display)—Represents the red component level in the color.
Bits 11–8
G Green Level (color display)—Represents the green component level in the color.
Bits 7–4
B Blue Level (color display)—Represents the blue component level in the color.
Bits 3–0

19.4.17.5 Four Bits/Pixel Active Matrix Color Mode

In four bits/pixel active color mode, a 4-bit code represents a 12-bit color. Because just four bits are used to
encode the color, a maximum of 16 colors can be selected out of a palette of 4096. The first 16 mapping
RAM entries must be written to define the codes for the 16 available combinations.
19-38
10 9 8 7
R
rw rw rw rw rw
? ? ? ?
10 9 8 7
R
rw rw rw rw rw
? ? ? ?
MC9328MX1 Reference Manual
6 5 4 3 2
G
rw rw rw rw
? ? ? ? ?
0X???
Description
6 5 4 3 2
G
rw rw rw rw
? ? ? ? ?
0x???
Description
1 0
B
rw rw
? ?
1 0
B
rw rw
? ?
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