HD66789 Datasheet, PDF (61/156 Pages) Renesas Technology Corp – 528-channel, One-chip Driver for Amorphous TFT Panels with 262,144-color display RAM, Power Supply Circuit, and Gate Circuit

HD66789
Preliminary
16-bit interface
GRAM
data
R5 R4 R3 R2 R1
R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
One pixel
Read _{RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD}
data _{17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0}
Output ^{DB DB DB DB DB DB DB DB}
17 16 15 14 13 12 11 10
DB DB DB DB DB DB DB DB
87654321
9-bit interface
GRAM
data
R5 R4 R3 R2 R1
R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
One pixel
Read _{RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD}
data _{17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0}
Output 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 17 16 15 14 13 12 11 10 9
1^st Transmission
(Upper)
8-bit interface / SPI
2^nd Transmission
(Lower)
GRAM
data
R5
R4
R3 R2 R1
R0 G5 G4 G3 G2 G1 G0 B5
B4
B3
B2
B1
B0
One pixel
Read _{RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD}
data _{17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0}
DB DB DB DB DB DB DB DB
Output _{17 16 15 14 13 12 11 10}
1^st Transmission
(Upper)
DB DB DB DB DB DB DB DB
17 16 15 14 13 12 11 10
2^nd Transmission
(Lower)
Read data from GRAM: Bit assignment
Rev.0.12, May 09 2003, page 61 of 156