參數(shù)資料
型號(hào)： HD66710
廠商： Hitachi,Ltd.
英文描述： (Dot Matrix Liquid Crystal Display Controller/Driver)
中文描述： （點(diǎn)陣式液晶顯示控制器/驅(qū)動(dòng)器）
文件頁數(shù)： 43/73頁
文件大?。?/td> 507K
代理商： HD66710
HD66710
333
Oscillator Circuit
Relationship between Oscillation frequency and Liquid Crystal Display Frame Frequency
The liquid crystal display frame frequencies of Figure 21 apply only when the oscillation frequency is
270 kHz (one clock period: 3.7 μs).
OSC1
OSC1
OSC2
Clock
Rf
The oscillator frequency can be
adjusted by oscillator resistance
(Rf). If Rf is increased or power
supply voltage is decreased, the
oscillator frequency decreases.
The recommended oscillator
resistor is as follows.
HD66710
HD66710
Rf = 91 k
±
2% (V
CC
= 5V)
Rf = 75 k
±
2% (V
CC
= 3V)
1) When an external clock is used
2) When an internal oscillator is used
Figure 20 Oscillator Circuit
1
2
3
4
32
33
1
2
3
32
33
V
CC
V1
V4
V5
COM1
100 clocks (6-dot font width: 120 clocks)
(2) 1 /33 duty cycle
1 frame
1 frame
1
2
3
4
16
17
1
2
3
16
17
200 clocks (6-dot font width: 240 clocks)
V
CC
V1
V4
V5
COM1
1 frame
1 frame
(1) 1 /17 duty cycle
Item
Line selection period
Frame frequency
Normal Display Mode (LP = 0)
5-Dot Font Width
200 clocks
Low Power Mode (LP = 1)
5-Dot Font Width
50 clocks
79.4 Hz
240 clocks
66.2 Hz
79.4 Hz
60 clocks
66.2 Hz
Item
Line selection period
Frame frequency
Normal Display Mode (LP = 0)
5-Dot Font Width
Low Power Mode (LP = 1)
5-Dot Font Width
100 clocks
81.8 Hz
120 clocks
68.2 Hz
50 clocks
81.8 Hz
60 clocks
68.2 Hz
6-Dot Font Width
6-Dot Font Width
6-Dot Font Width
6-Dot Font Width
Figure 21 Frame Frequency
相關(guān)PDF資料
PDF描述
HD66710A00FS 16 AMP SPDT MINIATURE POWER RELAY
HD66710A00TF (Dot Matrix Liquid Crystal Display Controller/Driver)
HD66712U Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器)
HD66712 Dot-Matrix Liquid Crystal Display Controller/Driver
HD66712UA02TA0 Dot-Matrix Liquid Crystal Display Controller/Driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66710A00FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(Dot Matrix Liquid Crystal Display Controller/Driver)
HD66710A00TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(Dot Matrix Liquid Crystal Display Controller/Driver)
HD66712 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver
HD66712A00TA0 制造商:Renesas Electronics Corporation 功能描述:
HD66712A00TB0 制造商:Renesas Electronics Corporation 功能描述:
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