HD66781 Datasheet, PDF (41/196 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
TRI
DFM
16-bit interface RAM write transmission formula
80 system 16-bit interface (1 transmission/pixel) 65,536 colors
1st transmission
0
*
GRAM data
DB DB DB DB DB DB DB DB
17 16 15 14 13 12 11 10
DB DB DB DB DB DB DB DB
87 654321
RGB Assignment _{R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0}
80 system 16 -bit interface (2 transmissions/pixel) 262,144 colors
1st transmission
2nd transmission
1
0
GRAM data
DB DB DB DB DB DB DB DB DB
17 16 15 14 13 12 11 10 8
DB DB DB DB DB DB DB DB DB
7 6 5 4 3 2 1 17 16
RGB Assignment R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
80 system 16 -bit interface (2 transmissions/pixel) 262,144 colors
1
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
RGB Assignment R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
16-bit interface: RAM write transmission
Note 1) Instruction setting is transferred by 1 x 16-bit transmission regardless of TRI and DFM settings.
Direction
Setting
I/D1-0 = “00”
Horizontal: Decrement
Vertical: Decrement
I/D1-0 = “01”
Horizontal: Increment
Vertical: Decrement
17’00000
17’00000
I/D1-0 = “10”
Horizontal: Decrement
Vertical: Increment
17’00000
I/D1-0 = “11”
Horizontal: Increment
Vertical: Increment
17’00000
AM = “0”
Horizontal
17’00000
17’h19FEF
17’00000
17’h19FEF
17’00000
17’h19FEF
17’00000
17’h19FEF
AM = “1”
Vertical
17’h19FEF
17’h19FEF
17’h19FEF
17’h19FEF
Address direction setting
Note 1) When a window-address range is specified, write operation is executed only within the specified
window-address range of GRAM.
Rev.0.5, July.31.2003, page 41 of 196