HT1602L 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT1602L Datasheet PDF : 7 Pages
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HT1602L
Pad No.
18
19
20
21
22
23
24
25
26
27
X
-325.00
-195.00
-65.00
65.00
195.00
325.00
455.00
585.00
715.00
845.00
Y
-780.00
-780.00
-780.00
-780.00
-780.00
-780.00
-780.00
-780.00
-780.00
-780.00
Pad No.
45
46
47
48
49
50
51
52
53
X
195.00
65.00
-65.00
-195.00
-325.00
-455.00
-585.00
-715.00
-845.00
Y
780.00
780.00
780.00
780.00
780.00
780.00
780.00
780.00
780.00
Pad Description
Pad No.
1~5
6
7~26
27
28
29
30, 31, 32
33
34
35
36
37
38
39~53
Pad Name
Y15~Y19
VDD
Y20~Y39
DO39
DI20
DO19
V5, V3, V2
VSS
VDD
CLK
DI0
LOAD
ALT
Y0~Y14
I/O
Description
O LCD driver output for segment*
¾ Positive power supply
O LCD driver output for segment
O Shift register output pad for the 40th bit data
I Data input pad of shift register 2
O Shift register output pad for the 20th bit data
I LCD bias supply voltage
¾ Negative power supply, ground
¾ Positive power supply
I Clock pulse input pad for the shift register
I Data input pad of shift register 1
I Latching signal to latch shift register data
I Alternate signal input pad for LCD driving waveform
O LCD driver output for segment*
*: For Y0~Y39, one of VDD, V2, V3 or V5 is selected as a display driving source according to the
combination of latched data level and ALT signal. Refer to the following table:
Latched Data ALT Display data output level
H
H
L
V5
VDD
H
V3
L
L
V2
3
September 1, 2000
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