hd66789 Renesas Electronics Corporation., hd66789 Datasheet - Page 61

• Manufacturer Part Number: hd66789
• Description: 528-channel, One-chip Driver For Amorphous Tft Panels With 262,144-color Display Ram, Power Supply Circuit, And Gate Circuit
• Manufacturer: Renesas Electronics Corporation.

HD66789
Rev.0.12, May 09 2003, page 61 of 156
Output
GRAM
GRAM
Output
GRAM
Output
Read
Read
16-bit interface
data
data
Read
data
data
data
data
9-bit interface
8-bit interface / SPI
RD
RD
DB
17
17
RD
DB
17
R5
R5
R5
17
17
DB
17
RD
RD
16
16
DB
RD
DB
16
R4
16
R4
R4
16
DB
16
RD
RD
15
15
DB
RD
DB
15
R3 R2
R3 R2
R3 R2
15
15
DB
15
Read data from GRAM: Bit assignment
1
(Upper)
RD
RD
1
(Upper)
DB
RD
14
DB
14
14
14
14
DB
s t
14
s t
T r a n s m i s s i o n
T r a n s m i s s i o n
RD
RD
R1
13
R1
13
DB
R1
RD
DB
13
13
13
DB
13
RD
RD
12
12
DB
DB
RD
R0
R0
12
R0
12
12
DB
12
RD
RD
11
11
DB
RD
DB
G5
G5
11
G5
11
11
DB
11
RD
RD
10
10
DB
RD
G4
DB
G4
10
G4
10
10
DB
10
RD
RD
DB
One pixel
RD
G3
G3
One pixel
G3
One pixel
9
9
9
9
RD
RD
DB
17
RD
G2
DB
G2
G2
8
8
8
8
DB
17
RD
RD
DB
16
RD
G1 G0
DB
G1 G0
G1 G0
7
7
7
7
DB
16
RD
RD
DB
15
2
(Lower)
RD
DB
2
(Lower)
6
6
6
6
DB
15
n d
n d
DB
RD
RD
14
DB
RD
B5
B5
B5
5
5
DB
5
5
T r a n s m i s s i o n
14
T r a n s m i s s i o n
RD
RD
DB
13
RD
B4
DB
B4
B4
4
4
4
4
DB
13
RD
RD
DB
RD
12
B3
DB
B3
B3
3
3
3
3
DB
12
RD
RD
DB
11
RD
DB
B2
B2
B2
2
2
2
2
DB
11
RD
RD
DB
10
RD
B1
DB
B1
B1
1
1
1
1
DB
10
RD
RD
DB
RD
B0
B0
B0
0
0
9
0
Preliminary