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ST7920 Datasheet(PDF) 20 Page - Sitronix Technology Co., Ltd.

Part No. ST7920
Description  Chinese Fonts built in LCD controller/driver
Download  49 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7920 Datasheet(HTML) 20 Page - Sitronix Technology Co., Ltd.

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ST7920
V4.0
20/49
2008/08/18
l
Display Control
Controls display, cursor and blink ON/OFF.
D: Display ON/OFF control bit
When D = "1", display ON
When D = "0", display OFF, the content of DDRAM is not changed
C: Cursor ON/OFF control bit
When C = "1", cursor ON.
When C = "0", cursor OFF.
B: Character Blink ON/OFF control bit
When B = "1", cursor position blink ON. Then display data (character) in cursor position will blink.
When B = "0", cursor position blink OFF
l
Cursor/Display Shift Control
This instruction configures the cursor moving direction or the display shifting direction. The content of DDRAM is
not changed.
S/C
R/L
Description
AC Value
L
L
Cursor moves left by 1 position
AC=AC-1
L
H
Cursor moves right by 1 position
AC=AC+1
H
L
Display shift left by 1, cursor also follows to shift.
AC=AC
H
H
Display shift right by 1, cursor also follows to shift.
AC=AC
0
0
0
0
0
0
0
0
0
0
0
1
1
S/C
D
R/L
Code
Code
RS
RS
RW
RW
DB7
DB7
DB6
DB6
DB5
DB5
DB4
DB4
DB1
DB1
DB2
DB2
DB3
DB3
C
X
B
X
DB0
DB0


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