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AT90SCR100 데이터시트(PDF) 415 Page - ATMEL Corporation

부품명 AT90SCR100
상세설명  8-bit Microcontroller for Smart Card Readers
PDF  433 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90SCR100 데이터시트(HTML) 415 Page - ATMEL Corporation

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TPR0327AY–SMS–30Jan09
AT90SCR100
31.7
Smart Card Interface Characteristics
All Characteristics contained in this section are based on characterization of other
products.
These values are preliminary values representing design targets, and will be
updated after characterization of silicon
This datasheet is only a preliminary version. All values indicated here are indica-
tive values, describing what the product should achieve.
ALL THESE VALUES ARE TO BE CONFIRMED OR TO BE DEFINED
Caution
!
Caution
!
Table 31-6.
Smart Card Class A, 5V (CVcc)
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
CVCC
Smart card voltage
with Vcc = 2.7V to 2.85V
with Vcc > 2.85V
4.6
4.6
5
5
5.4
5.4
V
Load = 50mA
Load = 60mA
Spikes on CVCC
TBD
V
Vcardok up
Vcardok high level threshold
TBD
V
Vcardok down
Vcardok low level threshold
TBD
V
TVHL
CVCC valid to 0.4V
TBD
TBD
μs
TVLH
CVCC 0 to valid
TBD
TBD
μs
Table 31-7.
Smart Card Class B, 3V (CVcc)
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
CVCC
Smart card voltage
with Vcc = 2.7V to 2.85V
with Vcc > 2.85V
2.76
2.76
3
3
3.24
3.24
V
Load = 50mA
Load = 60mA
Spikes on CVCC
TBD
V
Vcardok up
Vcardok high level threshold
TBD
V
Vcardok down
Vcardok low level threshold
TBD
V
TVHL
CVCC valid to 0.4V
TBD
TBD
μs
TVLH
CVCC 0 to valid
TBD
TBD
μs
Table 31-8.
Smart Card C, 1.8V (CVcc)
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
CVCC
Smart card voltage
1.66
1.8
1.944
V
Load = 35mA
Spikes on CVCC
TBD
V
Vcardok up
Vcardok high level threshold
TBD
V



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