EM91401BP 데이터 시트보기 (PDF) - ELAN Microelectronics
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EM91401BP
ELAN Microelectronics
EM91401BP Datasheet PDF : 23 Pages
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EM32100 Application Circuit :
EM91401 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
AND DUAL-TONE MELODY GENERATOR
Preliminary
8/10 Digits LCD Pannel
33 33 3 33 22 2 22
U?
65 43 2 10 98 7 65
S SS SNS S SS S SS
EEEECEEEEEEE
G GG G GG GG G GG
6789 1111111
0123456
SW?A
1
2
3
R?
100K
37
SEG5
38
39
SEG4
SEG3
40
SEG2
41
SEG1
42
COM1
43
COM2
44
COM3
45
46
TEST2
TESTI
47
F32H
48
NC
EM32100
24
SEG17
23
SEG18
22
SEG19
21
SEG20
20
SEG21
SEG22
19
18
SEG23
SEG24
17
16
VEE
15
VN
14
VP
13
NC
SW HOOK
2E
X 4N
MMS H V X O V / R
S S DKDI NUS 1 TN
1 2 I S DNCTS 2 CC
C?
C?
.1u
.1u
R?
VDD
200K
VCC
VCC
1 11
12 34 5 67 89 0 12
R?
SSDDIO
HKS
R?
220K
DIALER
220K
Q?
3
K?
HDO
2
D?
R?
3
HFO
1
C945
1
2
2
Q?
VSS
R?
C945
BT?
100K
DIODE
47K
1
1.5V
D?
1
2
K? K?
K?
DIODE
1U
C?
32768 HZ
D?
1
2
C?
C?
20 P
20 p
DIODE
Package type : QFP 48 pins or chip form provided
* This specification are subject to be changed without notice.
10.1.1997 19
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