參數(shù)資料
型號(hào): ST7066
廠商: Electronic Theatre Controls, Inc.
英文描述: Dot Matrix LCD Controller/Driver
中文描述: 點(diǎn)陣LCD控制器/驅(qū)動(dòng)器
文件頁數(shù): 25/29頁
文件大?。?/td> 318K
代理商: ST7066
ST7066
V1.2
2000/6/13
25
The relations between Oscillation Frequency and LCD Frame Frequency
Assume the oscillation frequency is 270KHZ, 1 clock cycle time = 3.7us
1. 1/8 Duty
2. 1/11 Duty
3. 1/16 Duty
400 clocks
1
2
3
4
------
1
8
2
V5
V4
V2(V3)
V1
Vcc
COM1
1 frame = 3.7(us) x 400 x 8 = 11850(us)
= 11.9(ms)
1 frame
400 clocks
1
2
3
4
------
1
11
2
V5
V4
V2(V3)
V1
Vcc
COM1
1 frame = 3.7(us) x 400 x 11 = 16300(us)
= 16.3(ms)
1 frame
200 clocks
1
2
3
4
------
1
16
2
V5
V4
V2
V1
Vcc
COM1
1 frame = 3.7(us) x 200 x 16 = 11850(us)
= 11.9(ms)
1 frame
V3
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