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參數(shù)資料
| 型號： | KS0078 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD |
| 中文描述： | 34COM/120SEG驅(qū)動 |
| 文件頁數(shù)： | 25/71頁 |
| 文件大小： | 563K |
| 代理商： | KS0078 |
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KS0078 34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
(Table 6. continued)
Instruction
RE
Instruction Code
Description
Execution
Time
(fosc =
270 kHz)
R
S
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Set
CGRAM
Address
Set
SEGRAM
Address
Set
DDRAM
Address
Set
Scroll
Quantity
Read
Busy
flag and
Address
0
0
0
0 1 AC5 AC4 AC3 AC2 AC1 AC0
Set CGRAM address in address counter.
39
μ
s
1
0
0
0 1 X X AC3 AC2 AC1 AC0
Set SEGRAM address in address counter.
39
μ
s
0
0
0
1 AC6 AC5 AC4 AC3 AC2 AC1 AC0
Set DDRAM address in address counter.
39
μ
s
1
0
0
1 X SQ5 SQ4 SQ3 SQ2 SQ1 SQ0
Set the quantity of horizontal dot scroll.
39
μ
s
X
0
1
BF AC6 AC5 AC4 AC3 AC2 AC1 AC0
Can be known whether during internal
operation or not by reading BF. The
contents of address counter can also be
read.
BF = “1” : busy state,
BF = “0” : ready state.
Write data into internal RAM
(DDRAM / CGRAM / SEGRAM).
0
μ
s
Write
Data
Read
Data
X
1
0
D7 D6 D5 D4 D3 D2 D1 D0
43μ
s
X
1
1
D7 D6 D5 D4 D3 D2 D1 D0
Read data from internal RAM
(DDRAM / CGRAM / SEGRAM).
43μ
s
* Note : 1. When an MPU program with Busy Flag(DB7) checking is made, 1/2 fosc (is necessary) for executing
the next instruction by the “E” signal after the Busy Flag (DB7) goes to “Low”.
2. “X” Don’t care
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