HD66781 Datasheet, PDF (88/196 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
9-bit interface (2 transmissions)
GRAM
data
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
read data
RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD
[17] [16] [15] [14] [13] [12] [11] [10] [9] [8] [7] [6] [5] [4] [3] [2] [1] [0]
output pin
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
First transmission
Second transmission
8-bit interface (2 transmissions(Big endian)/3 transmissions)
GRAM
data
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
read data
RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD
[17] [16] [15] [14] [13] [12] [11] [10] [9] [8] [7] [6] [5] [4] [3] [2] [1] [0]
output pin
DB DB DB DB DB DB DB DB
17 16 15 14 13 12 11 10
First transmission
DB DB DB DB DB DB DB DB
17 16 15 14 13 12 11 10
second transmission
8-bit interface (2 transmissions(Little endian)/3 transmissions)
GRAM
data
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
read data
RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD RD
[17] [16] [15] [14] [13] [12] [11] [10] [9] [8] [7] [6] [5] [4] [3] [2] [1] [0]
output pin
DB DB DB DB DB DB DB DB
17 16 15 14 13 12 11 10
second transmission
DB DB DB DB DB DB DB DB
17 16 15 14 13 12 11 10
First transmission
Read data from GRAM: 9/8-bit interface
I/D,AM bit
Setting HSA,HEA VSA,VEA
Address set : N set
First word
Dummy read (void data)
GRAM – read data latch
Second word
Read (data at address N) read
data latch - DB17-0
Address set : Mset
First word
Dummy read (void data)
GRAM – read data latch
Second word
Read (data at address N) read
data latch - DB17-0
Read out data to
microcomputer
GRAM read sequence
Rev.0.5, July.31.2003, page 88 of 196