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PDF EM32100 Data sheet ( Hoja de datos )
| Número de pieza | EM32100 | |
| Descripción | 8/10 DIGIT LCD DRIVER | |
| Fabricantes | ELAN Microelectronics Corp | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EM32100 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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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
1 page  
EM32100
8/10 DIGIT LCD DRIVER
(b5b4 = 00) Digit key
Key 1 2 3 4 5 6 7 8 9 0 * # P P→T
b3b2b1b0 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110
Display 1 2 3 4 5 6 7 8 9 0
P
(b5b4 = 10 ) function key
Key F
b3b2b1b0 1111
Display
Note:
1. Flash key will be treated as "clear LCD panel" command.
2. Any invalid data will be ignored by the EM32100.
FUNCTION DESCRIPTION
Dialing dispaly
The serial data received by SDI pin of EM32100 will be decoded and shown on LCD panel. Display format
is as follows:
Off-Hook state mode:
1
Start
2
Reset STW
3
STW Display
T
4
HKS = 1? T
F
5
F Data In?
6
MS2 = 0?
F
7
F MS1 = 0
T
8
Display RTC
9
HKS = 1?
F
10
Data in?
FF
11
T MS1 = 0?
F
T MS2 = 0 ?
F
T
T
27
Data Valid?
T
T
12
Start Timer
T
13
HKS=0
F
21
F 6 Sec. Expire?
T
14
Data Valid?
T
15
Display Dialing
No.
16
Start Timer
F
T
17
HKS = 1? T
24
RTC Mode
F
18
6 Sec. Expire?
T
F
T MS1=0?
F
MS2=0?
T
F
19
F Data In?
T
20
F Data Valid?
T
* This specification are subject to be changed without notice.
2.10.1999 5
5 Page 
APPLICATION CIRCUIT
EM32100
8/10 DIGIT LCD DRIVER
* This specification are subject to be changed without notice.
2.10.1999 11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet EM32100.PDF ] | |
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