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EM32100 Schematic ( PDF Datasheet ) - ELAN Microelectronics Corp

Teilenummer EM32100
Beschreibung 8/10 DIGIT LCD DRIVER
Hersteller ELAN Microelectronics Corp
Logo ELAN Microelectronics Corp Logo 




Gesamt 13 Seiten
EM32100 Datasheet, Funktion
EMEM3232110000
8/10 8D/1I0GDIITGILTCLDCDDDRRIVIVEERR
GENERAL DESCRIPTION
The EM32100 is a CMOS LCD display driver which can receive dialing data from dialer IC and display on
the LCD panel. The EM32100 can also display real time clock, conversation time (stopwatch).
FEATURES
• Drive 8/10 digits LCD panel.
• Display dialing number.
• Display real time clock (RTC) in 12 hour or 24 hour format selectable.
• Stopwatch function for counting conversation time up to 59 minutes 59 seconds.
• Operating voltage: 1.5 VDC ( typical )
• Operating current : 3 µA (max.)
• LCD driver method : 1/3 duty , 1/2 bias.
• Internal voltage doubler circuit for drive LCD.
• Internal dialer interface.
• Use single colck 32768Hz crystal.
• Package in QFP 48 pins or chip form .
APPLICATION FIELD
Telephone and Digital display system.
PIN ASSIGNMENTS
NC
VP
VN
VEE
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
13
14
15
16
17
18
19
20
21
22
23
24
EM32100
48 NC
47 F32H
46 TESTI
45 TEST2
44 COM3
43 COM2
42 COM1
41 SEG1
40 SEG2
39 SEG3
38 SEG4
37 SEG5
* This specification are subject to be changed without notice.
2.10.1999 1






EM32100 Datasheet, Funktion
RTC (Real time clock) display
12 hours format:
24 hours format:
EM32100
8/10 DIGIT LCD DRIVER
<Note>:
12 or 24 hours format is selected by 24/12 pin. When this pin is pulled "high", then RTC is displayed in 24
hours format, otherwise RTC is displayed in 12 hours format. The AM, PM patterns will not show for RTC
display in 24 hours format.
STW (stop watch ) display
When HKS pin is high, the system work in RTC display mode .When HKS pin switches from "high" to "low",
the system enter STW display mode.STW count up from 00:00 up to 59:59. For example:
* This specification are subject to be changed without notice.
2.10.1999 6

6 Page









EM32100 pdf, datenblatt
PAD DIAGRAM
EM32100
8/10 DIGIT LCD DRIVER
VP 14
VN 15
VEE 16
SEG24 17
SEG23 18
SEG22 19
SEG21 20
SEG20 21
SEG19 22
SEG18 23
SEG17 24
11 10 9 8 6
5 4 3 2 1 47
46
45
44
43
42
F32H
TESTI
TEST2
COM3
COM2
COM1
(0,0)
EM32100
41 SEG1
40 SEG2
39 SEG3
38 SEG4
37 SEG5
25 26 27 28 29 30 31 33 34 35 36
Chip Size : 2230 x 2480 µm
Pad No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Symbol
MS1
MS2
SDI
HKS
VDD
XIN
XOUT
VSS
24/12
ENRTC
VP
VN
VEE
SEG24
SEG23
SEG22
SEG21
X
712.8
561.6
412.2
261.0
103.5
-59.5
-209.8
-371.8
-523.9
-673.3
-917.2
-917.2
-931.2
-949.2
-949.2
-949.2
-949.2
* This specification are subject to be changed without notice.
Y
992.2
992.2
992.2
992.2
1012.0
992.2
1006.2
1006.2
992.2
992.2
1033.6
884.2
733.3
552.1
371.7
191.3
11.0
2.10.1999 12

12 Page





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