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AT90SCR100 Datasheet(PDF) 414 Page - ATMEL Corporation

Part # AT90SCR100
Description  8-bit Microcontroller for Smart Card Readers
PDF  433 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90SCR100 Datasheet(HTML) 414 Page - ATMEL Corporation

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414
TPR0327AY–SMS–30Jan09
AT90SCR100
Figure 31-3.
SPI Interface Timing Requirements (Slave Mode)
31.6
USB Interface Characteristics TBC/TBD
MISO
(Data Output)
SCK
(CPOL = 1)
MO SI
(Data Input)
SCK
(CPOL = 0)
SS
MSB
LSB
LSB
MSB
...
...
10
11
11
12
13
14
17
15
9
X
16
Table 31-5.
USB Electrical Parameters
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
VIH
Input Level High (driven)
2.0
V
VIHZ
Input Level High (floating)
2.7
V
VIL
Input Level Low
0.8
V
VDI
Differential Input Sensitivity
0.2
V
VCM
Differential Common Mode
Range
0.8
2.5
V
VOL1
Static Output Low
0.3
V
VOH1
Static Output High
2.8
3.6
V
CIN
Input Capacitance
20
pF
tr
Rise Time
Cout = 50 pF
4
20
ns
tf
Fall Time
Cout = 50 pF
4
20
ns
trfm
Rise / Fall Time matching (tr/tr )90
110
%
Zdrv
Driver Output Resistance
Steady State Drive
28
44
ohm
tdrate
Full Speed Data Rate
Average Bit Rate
11.97
12.03
Mb/s
tframe
Frame Interval
0.9995
1.0005
ms



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