EF9345 Datasheet, PDF (18/38 Pages) STMicroelectronics – HMOS2 SINGLE CHIP SEMI-GRAPHIC DISPLAY PROCESSOR

EF9345
Figure 15 : Coloring with Quadrichrome Characters
76543210
CHARACTER _{0 1 0 1 1 0 1 0}
CODE A BYTE
ORDERED COLOR
COLOR VALUES SET
Black
_
Red
C₀
Green
_
Yellow
C₁
Blue
C₂
Magenta
_
Cyan
C₃
White
_
76543210
01
C₃
C₂
C₁
3
3
3
C₀
Color set
3
2
SLICE BYTE SHIFTING :
2 bits at once at half the pixel frequency
MUX (1 out of 4)
3
C₁ (yellow)
Figure 16 : Fixed Long Codes in Memory 120 Byte Row Buffer
KRF COMMAND
R1 ^C
R2
B
R3
A
R4
-
R5
-
R6 D, Y
R7 B, X
X
0
39
D district
number
C
B (even)
Y
B
B+1
A
B+2
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