HD66781 Datasheet, PDF (117/196 Pages) Renesas Technology Corp – 720-channel Source Driver for a-Si TFT/Low Temperature Poly-Si TFT Panels with 262,144-color display RAM

HD66781
Preliminary
80 system 16 bit interface (2 transmissions: TRI = 1, DFM = 0)
GRAM data
1st transmission
2nd transmission
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 8 7 6 5 4 3 2 1 17 16
WD
RGB Assignment _[17]
WD
[16]
WD
[15]
WD
[14]
WD
[13]
WD
[12]
WD
[11]
WD
[10]
WD
[9]
WD WD
[8] [7]
WD WD
[6] [5]
WD
[4]
WD
[3]
WD WD
[2] [1]
WD
[0]
GRAM write
data
OSD data
ODF=0
OSD data
ODF=1
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
R5 R4 R3 R2 R1 ^α 2 G5 G4 G3 G2 G1 α1 B5 B4 B3 B2 B1 ^α0
α2 α1 α0 _{R5 R4 R3 R2 R1 G5 G4 G3 G2 G1 B5 B4 B3 B2 B1}
1 pixel
Note: Normal display in 262,144 colors, OSD display in 32,768 colors
in16-bit system interface, 2-transmission mode.
80 system 16 bit interface (2 transmissions: TRI =1, DFM = 1)
1st transmission
2nd transmission
GRAM data
DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB
2 1 17 16 15 14 13 12 11 10 8 7 6 5 4 3 2 1
WD
RGB Assignment _[17]
WD
[16]
WD
[15]
WD
[14]
WD
[13]
WD
[12]
WD
[11]
WD
[10]
WD
[9]
WD WD
[8] [7]
WD WD
[6] [5]
WD
[4]
WD
[3]
WD WD
[2] [1]
WD
[0]
GRAM write
data
OSD data
ODF=0
OSD data
ODF=1
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
R5 R4 R3 R2 R1 ^α 2 G5 G4 G3 G2 G1 α1 B5 B4 B3 B2 B1 ^α0
α2 α1 α0 _{R5 R4 R3 R2 R1 G5 G4 G3 G2 G1 B5 B4 B3 B2 B1}
1 pixel
Note: Normal display in 262,144 colors, OSD display in 32,768 colors
in16-bit system interface, 2-transmission mode.
16-bit interface data format (RAM write data in 2-transmission mode)
Rev.0.5, July.31.2003, page 117 of 196