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Part Name
Description
ST7070 View Datasheet(PDF) - Sitronix Technology Co., Ltd.
Part Name
Description
MFG CO.
ST7070
Dot Matrix LCD Controller/Driver
Sitronix Technology Co., Ltd.
'ST7070' PDF : 51 Pages
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ST7070
LCD Frame Frequency
Assume the oscillation frequency is 270KHZ, 1 clock cycle time = 3.7us, 1/16 duty; 1/5 bias,1 frame
= 3.7us x 200 x 16 = 11840us=11.8ms(84.7Hz)
200 clocks
1234
16 1 2 3 4
16 1 2 3 4
16
V0
V1
V2
COM1
V3
V4
Vss
V0
V1
V2
COM2
V3
V4
Vss
V0
V1
V2
COM16
V3
V4
Vss
V0
V1
V2
SEGx off
V3
V4
Vss
V0
V1
V2
SEGx on
V3
V4
Vss
V1.4
1 frame
43/51
2009/04/29
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