參數資料
型號: HD44780UA00FS
廠商: Hitachi,Ltd.
英文描述: 320 x 240 pixel format, CFL backlight available with power harness
中文描述: 點陣式液晶顯示控制器/驅動器
文件頁數: 38/59頁
文件大小: 316K
代理商: HD44780UA00FS
HD44780U
38
Relationship between Oscillation Frequency and Liquid Crystal Display Frame
Frequency
The liquid crystal display frame frequencies of Figure 22 apply only when the oscillation frequency is 270
kHz (one clock pulse of 3.7
μ
s).
1
2
3
4
8
1
2
1
2
3
4
11
1
2
1
2
3
4
16
1
2
400 clocks
400 clocks
200 clocks
1 frame
1 frame
1 frame
1/8 duty cycle
1/11 duty cycle
1/16 duty cycle
V
CC
V1
V2 (V3)
V4
V5
V
CC
V1
V2 (V3)
V4
V5
V
CC
V1
V2
V3
V4
V5
COM1
COM1
COM1
1 frame = 3.7
μ
s
×
400
×
8 = 11850
μ
s = 11.9 ms
Frame frequency = 1
11.9 ms
1 frame = 3.7
μ
s
×
400
×
11 = 16300
μ
s = 16.3 ms
Frame frequency = 1
16.3 ms
1 frame = 3.7
μ
s
×
200
×
16 = 11850
μ
s = 11.9 ms
Frame frequency = 11.1
Figure 22 Frame Frequency
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相關代理商/技術參數
參數描述
HD44780UA00TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot Matrix Liquid Crystal Display Controller/Driver
HD44780UA01FS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
HD44780UA02 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
HD44780UA02FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot Matrix Liquid Crystal Display Controller/Driver
HD44780UA02TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot Matrix Liquid Crystal Display Controller/Driver