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PDF SMR200 Data sheet ( Hoja de datos )
| Número de pieza | SMR200 | |
| Descripción | DUAL-TRACK MAGNETIC STRIPE F2F DECODER IC | |
| Fabricantes | Solution Way | |
| Logotipo |  |
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SMR200
DUAL-TRACK
MAGNETIC STRIPE F2F DECODER
SMR200
Data Sheet
DUAL-TRACK
MAGNETIC STRIPE F2F
DECODER IC
For More Information
Solution Way Co., Ltd
www.solutionway.com
Tel:+82-31-605-3800
Fax:+82-31-605-3801
Rev.1.0
1 Solution Way Co., Ltd
1 page  
SMR200
DUAL-TRACK
MAGNETIC STRIPE F2F DECODER
FUNCTIONAL DESCRIPTION
SMR200 provides decoding function for magnetic stripe storage system, with all the analog and digital circuits in a single
chip. F2F pattern signal is generated by analog signal processing through an amplifier OP1, peak detector OP2 and
comparator. The operation of digital logic for data generation is activated by triggering oscillation circuit as soon as
detecting F2F pattern transition. Card Present Detect (CPD) signal becomes active state after null 8 bits from the first bit
reading. And also proper RDD and RCP signals are generated. Misreading prevention circuits are implemented to provide
high reliability by fixing up new reference bit when broken bits are detected.
SIGNAL TIMING DIAGRAM
DATA READ TIMING
F2F
CPD
RCP
RDD
F2F
CPD
RCP
RDD
RCP
RDD
TN
TA
TB
TC
TA 8 TOSC
TB (5/7 x TN) - TA
TC 5/7 x TN
Fig. 1
NOTE:
1. 8 or 9 head flux reversal for low density configuration.
2. TIMEOUT of the CPD signal occurs approx. 18 ms after last Head Signal transition.
3. The RDD is valid at 8 TOSC(3.2 μs min.) before the negative edge of the RCP.
4. The low pulse width of RCP is approx. 70% of bit time.
Rev.1.0
5 Solution Way Co., Ltd
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet SMR200.PDF ] | |
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