參數(shù)資料
型號: HD66710A00TF
廠商: Hitachi,Ltd.
英文描述: (Dot Matrix Liquid Crystal Display Controller/Driver)
中文描述: (點陣式液晶顯示控制器/驅動器)
文件頁數(shù): 69/73頁
文件大?。?/td> 507K
代理商: HD66710A00TF
HD66710
359
13.RCOM is the resistance between the power supply pins (V
CC
, V1, V4, V5) and each common signal
pin (COM1 to COM33).
RSEG is the resistance between the power supply pins (V
CC
, V2, V3, V5) and each segment signal pin
(SEG1 to SEG40).
14.The following graphs show the relationship between operation frequency and current consumption.
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
100
200
300
400
500
V
CC
= 5V
I
c
f
OSC
or f
cp
(kHz)
max.
typ.
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.00
100
200
300
400
500
V
CC
= 3V
I
c
f
OSC
or f
cp
(kHz)
max.
typ.
typ. (LP mode)
15.Applies to the OSC1 pin.
16.Each COM and SEG output voltage is within ±0.15V of the LCD voltage (V
CC
, V1, V2, V3, V4, V5)
when there is no load.
17.The TEST pin must be fixed to the ground, and the EXT or V
CC
pin must also be connected to the
ground.
18.Booster characteristics test circuits are shown below.
GND
V
CC
1
μ
F
1
μ
F
Vci
C1
C2
V5OUT2
V5OUT3
+
Boosting three times
+
1
μ
F
+
GND
V
CC
1
μ
F
Vci
C1
C2
V5OUT2
V5OUT3
Boosting twice
+
1
μ
F
+
Rload
Rload
I
O
I
O
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