參數(shù)資料
型號: ML9040A
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER(16X40點陣LCD驅(qū)動器)
中文描述: 點陣LCD控制器,16點通用驅(qū)動程序和40個點段驅(qū)動(16X40點陣液晶驅(qū)動器)
文件頁數(shù): 31/49頁
文件大?。?/td> 515K
代理商: ML9040A
ML9040A-Axx/-Bxx
Semiconductor
31/49
PEDL9040A-03
Generate biases externally and input them to V
DD
, V
1
, V
2
, V
3
, V
4
, and V
5
.
When the number of biases is 4, input the same potential to V
2
and V
3
. The execution
time, when the OSC oscillation frequency is 270 kHz, is 37
m
s.
(7)CG RAM address setting
L
R/W
Instruction code
L
RS
L
DB
7
H
DB
6
C
5
DB
5
C
4
DB
4
C
3
DB
3
C
2
DB
2
C
1
DB
1
C
0
DB
0
L
R/W
Instruction code
H
RS
E
7
DB
7
E
6
DB
6
E
5
DB
5
E
4
DB
4
E
3
DB
3
E
2
DB
2
E
1
DB
1
E
0
DB
0
L
R/W
Instruction code
L
RS
H
DB
7
D
6
DB
6
D
5
DB
5
D
4
DB
4
D
3
DB
3
D
2
DB
2
D
1
DB
1
D
0
DB
0
When CG RAM addresses, bits C
5
to C
0
(binary), are set, the CG RAM is specified, until
the DD RAM address is set.
Write/read of the character pattern to and from the CPU begins with addresses, bits C
5
to C
0
, starting from CG RAM selection.
The execution time, when the OSC oscillation frequency is 270 kHz, is 37
m
s.
(8) DD RAM address setting
When the DD RAM addresses D
6
to D
0
(binary) are selected, the DD RAM is specified
until the DD RAM address is set.
Write/read of the character code to and from the CPU begins with addresses D
6
to D
0
starting from DD RAM selection.
In the 1-line display mode (N = H), however, D
6
to D
0
(binary) must be set to one of the
values among "00" to "4F" (hex.).
Likewise, in the 2-line mode, D
6
to D
0
(binary) must be set to one of the values among
"00" to "27" (hex.) or "40" to "67" (hex.).
When any value other than the above is input, it is impossible to make a normal write/
read of character codes to and from the DD RAM.
The execution time, when the OSC oscillation frequency is 270 kHz, is 37
m
s.
(9)DD RAM and CG RAM data write
When E
7
to E
0
(binary) codes are written to the DD RAM or CG RAM, the cursor and
display move as described in "(5) Cursor and display shift". The execution time, when
the OSC oscillation frequency is 270 kHz, is 37
m
s.
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