ks0078 Samsung Semiconductor, Inc., ks0078 Datasheet - Page 42
ks0078
Manufacturer Part Number
ks0078
Description
34com/120seg Driver & Controller For Dot Matrix Lcd
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.KS0078.pdf
(71 pages)
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KS0078
11) Set DDRAM Address (RE = 0)
Set DDRAM address to AC.
12) Set Scroll Quantity (RE = 1)
Setting SQ5 to SQ0, horizontal scroll quantity can be controlled in dot units. (Refer to
Table 12). In this case of KS0078 execute dot smooth scroll from 1 to 48 dots.
Table 12. Scroll quantity according to HDS bits
This instruction makes DDRAM data available from MPU.
In 1-line display mode (N = 0, NW = 0), DDRAM address is from "00H" to "5FH".
In 2-line display mode (N = 1, NW = 0), DDRAM address in the 1st line is from "00H" to "2FH",
and DDRAM address in the 2nd line is from "40H" to "6FH".
In 4-line display mode (NW = 1), DDRAM address is from "00H" to "17H" in the 1st line, from
"20H" to "37H" in the 2nd line, from "40H" to "57H" in the 3rd line and from "60H" to "77H"
in the 4th line.
SQ5
0
0
0
0
1
1
:
SQ4
0
0
0
0
0
1
:
SQ3
X
0
0
0
0
1
:
SQ2
0
0
0
0
1
X
:
34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
SQ1
X
0
0
1
1
1
:
SQ0
X
0
1
0
1
1
:
shift left by 47-dot
shift left by 48-dot
shift left by 1-dot
shift left by 2-dot
shift left by 3-dot
Function
No shift
:
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