參數(shù)資料
型號(hào)： ML9044
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： DOT MATRIX LCD CONTROLLER DRIVER
中文描述： 點(diǎn)陣LCD控制器驅(qū)動(dòng)
文件頁(yè)數(shù)： 36/55頁(yè)
文件大?。?/td> 538K
代理商： ML9044
Semiconductor
ML9044
36/54
7) CGRAM Address Setting
RS
1
1
RS
0
0
R/
W
0
DB
7
0
DB
6
1
DB
5
C
5
DB
4
C
4
DB
3
C
3
DB
2
C
2
DB
1
C
1
DB
0
C
0
Instruction code:
RS
1
1
RS
0
0
R/
W
0
DB
7
1
DB
6
D
6
DB
5
D
5
DB
4
D
4
DB
3
D
3
DB
2
D
2
DB
1
D
1
DB
0
D
0
Instruction code:
RS
1
1
RS
0
1
R/
W
0
DB
7
E
7
DB
6
E
6
DB
5
E
5
DB
4
E
4
DB
3
E
3
DB
2
E
2
DB
1
E
1
DB
0
E
0
Instruction code:
This instruction sets the character data corresponding to the CGRAM address represented by the
bits C5 to C0 (binary).
The CGRAM addresses are valid until DDRAM or ABRAM addresses are set.
The CPU writes or reads character patterns starting from the one represented by the CGRAM
address bits C
5
to C
0
set in the instruction code at that time.
Note:
The execution time of this instruction is 37
m
s at an oscillation frequency (OSC) of 270
kHz.
8) DDRAM Address Setting
This instruction sets the character data corresponding to the DDRAM address represented by the
bits D6 to D0 (binary).
The DDRAM addresses are valid until CGRAM or ABRAM addresses are set.
The CPU writes or reads character patterns starting from the one represented by the DDRAM
address bits D6 to D0 set in the instruction code at that time.
In the 1–line mode (the “N” bit is “1”), the DDRAM address represented by bits D6 to D0 (binary)
should be in the range “00” to “4F” in hexadecimal.
In the 2–line mode (the “N” bit is “2”), the DDRAM address represented by bits D6 to D0 (binary)
should be in the range “00” to “27” or “40” to “67” in hexadecimal.
If an address other than above is input, the ML9044 cannot properly write a character code in or
read it from the DDRAM.
Note:
The execution time of this instruction is 37
m
s at an oscillation frequency (OSC) of 270
kHz.
9) DDRAM/ABRAM/CGRAM Data Write
This instruction writes data represented by bits E
7
to E
0
(binary) to DDRAM, ABRAM or
CGRAM.
After data is written, the cursor, blink or display shifts according to the Cursor/Display Shift
instruction (see 5)).
Note:
The execution time of this instruction is 37
m
s at an oscillation frequency (OSC) of 270
kHz.
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