參數(shù)資料
型號： HCD66727A04BP
廠商： Hitachi,Ltd.
英文描述： Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function
中文描述： 低功耗點(diǎn)陣液晶顯示控制器/鍵掃描功能驅(qū)動程序
文件頁數(shù)： 93/97頁
文件大?。?/td> 513K
代理商： HCD66727A04BP
HD66727
93
14.Applies to the internal oscillator operations using oscillation resistor Rf (Figure 54).
OSC1
OSC2
R
f
Since the oscillation frequency varies depending on the OSC1 and OSC2
pin capacitance, the wiring length to these pins should be minimized.
Referential data
200
150
100
50
0
100
200
400
R
f
(k
)
f
OSC
(kHz)
160
160
300
500
600
700
800
V
CC
= 5 V (typ.)
V
CC
= 3 V (typ.)
Figure 54 Internal Oscillation
15.Booster characteristics test circuits are shown in Figure 55.
( Triple boosting )
GND
V
CC
1
μ
F
1
μ
F
+
Vci
C1
C2
V5OUT2
V5OUT3
1
μ
F
( Double boosting )
GND
V
CC
1
μ
F
+
1
μ
F
Vci
C1
C2
V5OUT2
V5OUT3
V
EE
+
+
V
EE
+
Figure 55 Booster
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HCD66730A00 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
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HCD66731A00BP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HCD66731A01BP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
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