hd66789 Renesas Electronics Corporation., hd66789 Datasheet - Page 29

• 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
Instructions
The following are detail explanations of instructions with illustrations of instruction bits (IB15-0) assigned
to each interface.
Index
The index instruction specifies the index (R00h to R4Fh) of control register and RAM control. It sets the
register number from 0000000 to 1111111 in binary form. Do not try to access to the register to which the
index is not assigned.
Rev.0.12, May 09 2003, page 29 of 156
R/W
W
RS
0
Instruction Bit (IB)
Instruction Bit (IB)
Instruction Bit (IB)
Instruction Bit (IB)
IB15 IB14 IB13 IB12 IB11 IB10 IB9
80-system 18-bit interface
GRAM Data DB
GRAM Data
GRAM Data DB
GRAM Data DB
80-system 16-bit interface
80-system 8-bit interface / SPI(2/3 transmissions)
80-system 9-bit interface
17
IB
15
DB
17
15
17
IB
17
15
15
IB
IB
DB
16
14
IB
DB
DB
16
14
DB
16
IB
16
IB
14
14
IB
DB
15
13
IB
DB
DB
15
13
DB
15
IB
15
13
1
13
IB
IB
1
st
st
Transmission
Transmission
DB
14
12
DB
IB
DB
DB
14
12
14
IB
14
12
12
IB
IB
DB
11
13
IB
DB
DB
11
13
IB
DB
13
13
11
11
IB
IB
DB
Instruction bits
10
12
IB
DB
DB
10
12
IB
DB
12
10
12
IB
10
IB
DB
11
IB
DB
9
DB
11
IB
DB
11
9
11
IB
IB
9
9
DB
10
IB
8
DB
DB
10
IB
DB
IB8
10
8
10
IB
IB
8
8
DB
DB
9
9
IB7
DB
IB
DB
7
8
DB
17
IB
7
DB
IB
17
IB
8
7
7
DB
IB
DB
7
6
DB
16
IB
IB6
6
DB
IB
16
IB
7
6
6
ID6
DB
DB
IB
6
15
IB
5
DB
5
DB
IB
15
IB
6
5
5
2
IB5
2
nd
IB
nd
ID5
DB
4
DB
Transmission
5
14
IB
DB
Transmission
DB
4
IB
14
IB
5
4
4
IB
DB
3
DB
4
13
IB
IB4
DB
3
DB
IB
13
IB
ID4
4
3
3
DB
IB
2
DB
3
DB
12
IB
2
DB
IB
12
IB
3
2
2
IB3
ID3
DB
IB
1
DB
2
11
IB
DB
1
DB
IB
11
IB
2
1
1
DB
IB
DB
0
1
10
IB
IB2
DB
0
DB
ID2
IB
10
IB
1
0
0
Preliminary
DB
DB
0
9
IB1
ID1
IB0
ID0