參數(shù)資料
型號(hào)： HM17CM256
廠商： HYNIX SEMICONDUCTOR INC
元件分類： 顯示驅(qū)動(dòng)器
英文描述： 128XRGBX82 OUTPUT LCD DRIVER IC with built-in RAM
中文描述： LIQUID CRYSTAL DISPLAY DRIVER, UUC580
封裝： 19.75 X 2.39 MM, GOLD BUMP, DIE-580
文件頁(yè)數(shù)： 54/111頁(yè)
文件大小： 2094K
代理商： HM17CM256
HM17CM256
- 54 -
(34) INSTRUCTION DESCRIPTION
As shown in instruction table, HM17CM256 has abundant command set
.
All the data code and command code are valid only when the chip select signal CS is at “0” state.
The left side of the following command code and data table are the setting of 80 series CPU`
interface. Do not use undefined command code.
(34-1) Write display data on RAM
CS
RS
RD
WR
RE
2
RE
1
RE
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
0
0
1
0
0/1
0/1
0/1
Display RAM write data
Writing the 8-bit display RAM data at specified X, Y address.
(34-2) Read display data from RAM
CS
RS
RD
WR
RE
2
RE
1
RE
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
0
0
0
1
0/1
0/1
0/1
Display RAM read data
Reading out the 8-bit display RAM data from specified X, Y address.
One Dummy read cycle is needed after X, Y address is set.
(34-3) X address register set
CS
RS
RD
WR
RE
2
RE
1
RE
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
0
1
1
0
0
0
0
0
0
0
0
AX
3
AX
2
AX
1
AX
0
( reset :AX
3
~AX
4
=0
H
, read address :0
H
)
CS
RS
RD
WR
RE
2
RE
1
RE
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
0
1
1
0
0
0
0
* : “Don’t care”
0
0
0
1
*
AX
6
AX
5
AX
4
( reset :AX
6
~AX
4
=0
H
, read address :1
H
)
Setting the X direction address address set. The lower 4-bits are set first, and then upper 3-bits are set later.
Please set from lower bit.
(34-4) Y address register set
CS
RS
RD
WR
RE
2
RE
1
RE
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
0
1
1
0
0
0
0
0
0
1
0
AY
3
AY
2
AY
1
AY
0
( reset :AY
3
~AY
0
=0
H
, read address :2
H
)
CS
RS
RD
WR
RE
2
RE
1
RE
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
0
1
1
0
0
0
0
0
0
1
1
*
AY
6
AY
5
AY
4
( reset :AY
6
~AY
4
=0
H
, read address :3
H
)
* : “Don’t care”
Setting the Y address of display RAM. The lower 4-bits are set first, and then upper 3-bits are set later.
Please set from lower bit.
00
H
~51
H
is valid range at Y address(AY
6
~AY
0
). Do not use 52
H
~FF
H
range. The Y address(AY
6
~AY
0
) of
50
H
,51
H
is used for ICON display data address.
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