KS0071B Просмотр технического описания (PDF) - Samsung
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KS0071B Datasheet PDF : 18 Pages
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KS0071B
32COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
* 4) Voltage doubler measuring circuit
* 5) Supply current measuring circuit
+ 5V
VDD VC1
C1
C2
V5OUT
VSS
0V
+
-
+
4.7uF
-
A
- 10uF
+ (4.7uF)
RL = 10
(3)
( ) = + 3V Operation
(*3, *4)
A
VDD
VCI
RS,RW
DB0-7
C1
OSC1
OSC1
C2
V5
E
V5OUT
VSS
+ 5V
+
-
+
- 4.7uF
-
10uF
+
* 6) LCD driving voltage V1, V2, V3,V4, V5 ( VLCD = VDD - V5 )
Power
Duty
Bias
VDD (COM / SEG select voltage)
V1 (COM non select voltage)
V2 (SEG non select voltage)
V3 ( SEG non select voltage)
V4 (COM non select voltage)
V5 (COM / SEG select voltage)
1/16 duty
1/5 bias
VDD
VDD-(1/5) VLCD
VDD-(2/5) VLCD
VDD-(3/5) VLCD
VDD-(4/5) VLCD
VDD-VLCD
1/32 duty
1/6.7 bias
VDD
VDD-(1/6.7) VLCD
VDD-(2/6.7) VLCD
VDD-(4.7/6.7) VLCD
VDD-(5.7/6.7) VLCD
VDD-VLCD
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