EM91401 Datasheet, PDF (20/23 Pages) ELAN Microelectronics Corp – TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR

EM32116 Application Circuit :
EM91401 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
AND DUAL-TONE MELODY GENERATOR
Preliminary
SDI
Hook Switch detection circuit
1
LINE
2
3
SW HOOK
VDD
470K
ON 1
2
OFF 3
CALENDAR
ON 1
2
OFF 3
RTC
2
3
C945
1
100K
.1U
SDI
12 1
2
24 3
HOUR
20p
20p
32768Hz
.1uF
.1uF
MS2
.1uF
MS1
.1uF
VDD
VDD
X X V V V V V V H S MMF T
OI S CC 3 2 DKDS S 3 E
UNS 2 1 DS I 2 1 2 S
1.5V
T
HT
TEST MODE
Z1
24/12
TEST2
ENRTC
BATCKOF
ENCLND
BATLOW
COM3
SEG0
COM2
SEG1
COM1
SEG2
COM0
EM32116
SEG3
SEG31
SEG4
SEG30
SEG5
SEG29
SEG6
SEG28
SEG7
SEG27
SEG8
SEG26
SEG9
SSSSSSSSSSSSSSSS
EEEEEEEEEEEEEEEE
GGGGGGGGGGGGGGGG
2222221111111111
5432109876543210
333333322222222221111111111
654321098765432109876543210987654321
CCCCSSS S S SS SSS SS S S S SS SSSS SS S S SS SSSS S
OOOO EEE EEEE EEE EE EEEEE EEEE EE EEEE EEEE E
MMMMG G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G
321033222222222211111111119876543210
1098765432109876543210
LCD110
Package type : QFP 64 pins or chip form provided
* This specification are subject to be changed without notice.
10.1.1997 20