參數(shù)資料
型號: HM17CM256
廠商: HYNIX SEMICONDUCTOR INC
元件分類: 顯示驅(qū)動器
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
文件頁數(shù): 69/111頁
文件大?。?/td> 2094K
代理商: HM17CM256
HM17CM256
- 69 -
(34-16) Display start command 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
1
0
0
0
1
1
0
*
SC
2
SC
1
SC
0
( reset :{SC
2
, SC
1
, SC
0
}=0
H
, read address :6
H
)
* : “Don’t care”
Setting the scan start output of common driver.
SC
2
SC
1
SC
0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
SHIFT=0:COM increasing direction scanning
SHIFT=1:COM decreasing direction scanning
SHIFT=0 starting point of COM.
COM
0
~
COM
15
~
COM
30
~
COM
45
~
COM
60
~
COM
75
~
forbidden
forbidden
SHIFT=1 starting point of COM.
COM
79
~
COM
64
~
COM
49
~
COM
34
~
COM
19
~
COM
4
~
forbidden
forbidden
(34-17) Serial extension CS control
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
1
0
0
0
1
1
1
*
*
*
EXCS
( reset :{EXCS}=1
H
, read address :7
H
)
* : “Don’t care”
Controlling the output of extension CS at serial interface application.
EXCS pin is I/O pin and used as output at master mode device thus can be controlled.
EXCS=”0”:EXCS pin output is set to “L”.
EXCS=”1”:EXCS pin output is set to “H”.
(34-18) display selection control
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
1
0
0
1
0
0
0
PWM GLSB
*
*
( reset :{PWM, GLSB}=0
H
, read address :8
H
)
* : “Don’t care”
a) GLSB command
The segment driver outputs corresponding to 4 gradation display actually uses 3 bit data to select 4
gradation levels out of 8 gradation levels, 2 bit data out of RAM area and 1 bit out of Gradation LBS.
This command sets the supplement 1 bit Gradation LSB ( GLSB ) register.
GLSB=”0”: Set the LSB of segment driver corresponding to 4-gradataion display to “0”.
GLSB=”1”: Set the LSB of segment driver corresponding to 4 gradataion display to “1”.
b) PWM command
Selection gradation display mode.
PWM=”0”: Gradation mode is selected variable 8 gradation among 32 levels.
PWM=”1”: Fixed 8 gradation display mode.
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