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ST7920-0C View Datasheet(PDF) - Sitronix Technology Co., Ltd.

Part Name
Description
MFG CO.
ST7920-0C
SITRONIX
Sitronix Technology Co., Ltd. SITRONIX
'ST7920-0C' PDF : 49 Pages View PDF
ST7920
LCD driving wave form (1/33 duty, 1/5 bias )
When oscillation frequency is 540KHZ, 1 clock cycle time = 1.85us
1 frame = 1.85us x 300 x 33 = 18315us=18.3ms
300 clocks
1234
33 1 2 3 4
33 1 2 3 4
33
COM1
V0
V1
V2
V3
V4
VSS
COM2
V0
V1
V2
V3
V4
VSS
COM33
V0
V1
V2
V3
V4
VSS
SEGx
off
V0
V1
V2
V3
V4
VSS
SEGx
on
V0
V1
V2
V3
V4
VSS
1 frame
V4.0
37/49
2008/08/18
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