HD66773R Datasheet, PDF (18/133 Pages) Renesas Technology Corp – 262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels

HD66773R
The relationship between GRAM data and display data (SS =”0”)
The following figures illustrate the relationship between GRAM data and display data in each interface
mode.
18-bit interface & hard dithering mode
IF Data DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Dither process
circuit
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
GRAM data
R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B4 B3 B2 B1 B0
262,144 colors
expansion circuit ^{R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0}
Output pins
S (3n+1)
S (3n+2)
S (3n+3)
Note: n = lower eight bit of address (0 to 132)
16-bit interface
IF Data DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB
17 16 15 14 13 12 11 10 8 7 6 5 4 3 2 1
GRAM data _{R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B4 B3 B2 B1 B0}
262,144 colors
expansion circuit ^{R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0}
Output pins
S (3n + 1)
S (3n + 2)
S (3n + 3)
Note: n = lower eight bit of address (0 to 132)
Rev.1.10, Jun.21.2003, page 18 of 133