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| HD404328 Datasheet, PDF (67/96 Pages) Hitachi Semiconductor – 4 BIT SINGLE CHIP MICROCOMPUTER | |||
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HD404328 Series
VCC (V1)
R
V2
R
V3
R
GND
VCC
VLCD
VCC
VLCD
VCC
VLCD
VCC
VLCD
VCC ⥠VLCD ⥠GND
C
C
C
C = 0.1 µF to 0.3 µF
VCC
V1
V2
1
COM1
V3
SEG1â
24
GND
SEG24
Static drive
VCC
COM1 2
COM2
V1
V2
V3
SEG1â
24
GND
SEG24
1/2 duty cycle, 1/2 bias drive
VCC
V1
V2
V3
GND
COM1â 3
COM3
SEG1â
24
SEG24
1/3 duty cycle, 1/3 bias drive
4
VCC
COM1â
COM4
V1
V2
V3
SEG1â
24
GND
SEG24
1/4 duty cycle, 1/3 bias drive
Figure 40 LCD Connection Examples
VCC (V1)
R
V2
R
V3
R
GND
3-digit LCD
6-digit LCD
8-digit LCD
12-digit LCD
65
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