參數(shù)資料
型號(hào): HCD44780UBxx
廠商: Hitachi,Ltd.
英文描述: 320 x 240 pixel format, CFL backlight available with power harness
中文描述: 點(diǎn)陣式液晶顯示控制器/驅(qū)動(dòng)器
文件頁(yè)數(shù): 38/59頁(yè)
文件大?。?/td> 316K
代理商: HCD44780UBXX
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
相關(guān)PDF資料
PDF描述
HCD44780UA00 320 x 240 pixel format, CFL backlight available with power harness
HCD44780UA02 320 x 240 pixel format, CFL backlight available with power harness
HCD61202U Dot Matrix Liquid Crystal GraphicDisplay Column Driver
HCD61203U Power Darlington Bipolar Transistor; Collector Emitter Voltage, Vceo:100V; Transistor Polarity:NPN; Power Dissipation:65W; C-E Breakdown Voltage:100V; DC Current Gain Min (hfe):100; Collector Current:10A; Package/Case:3-TO-220
HCD66108BP Driver IC; Package/Case:16-DIP; Mounting Type:Through Hole
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HCD48-3318-75 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC to DC Converter
HCD48-3318-75R 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC to DC Converter
HCD48-3325-75 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC to DC Converter
HCD48-3325-75R 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC to DC Converter
HCD48-518-75 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC to DC Converter