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參數資料
| 型號： | KS0074 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD |
| 中文描述： | 34COM/80SEG驅動 |
| 文件頁數： | 35/70頁 |
| 文件大?。?/td> | 537K |
| 代理商： | KS0074 |
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KS0074 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
(Table 10. continued)
Instruction
RE
Instruction Code
Description
Execution
Time
(fosc =
270 kHz)
R
S
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Scroll
Enable
1
0
0
0 0 0 1 HS4 HS3 HS2 HS1
Determine the line for horizontal smooth
scroll.
HS1 = "1/0" : 1st line dot scroll
enable/disable
HS2 = "1/0" : 2nd line dot scroll
enable/disable
HS3 = "1/0" : 3rd line dot scroll
enable/disable
HS4 = "1/0" : 4th line dot scroll
enable/disable
Set interface data length
DL = "1" : 8-bit,
DL = "0" : 4-bit
numbers of display line when NW = "0",
N = "1" : 2-line,
N = "0" : 1-line
extension register, RE("0"),
39
μ
s
Function
Set
0
0
0
0 0 1 DL N RE(0) X X
39
μ
s
1
0
0
0 0 1 DL N RE(1) BE 0
Set DL, N, RE("1") and
CGRAM/SEGRAM blink enable (BE)
BE = " 1/0" : CGRAM/SEGRAM
blink enable/disable
39
μ
s
Set
CGRAM
Address
Set
SEGRAM
Address
Set
DDRAM
Address
Set
Scroll
Quantity
Read
Busy
flag and
Address
Write
Data
Read
Data
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 QC5 QC4 QC3 QC2 QC1 QC0
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).
0μ
s
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 falling edge of the “E” signal after the Busy Flag (DB7) goes to “Low”.
2. “X” don’t care
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