Atmel SAM4S-EK2 Atmel ATSAM4S-EK2 ATSAM4S-EK2 Data Sheet
Product codes
ATSAM4S-EK2
1064
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
43.6.3 Switching Characteristics
Figure 43-12.USB Data Signal Rise and Fall Times
Table 43-29. In Full Speed
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
t
FR
Transition Rise Time
C
LOAD
= 50 pF
4
—
20
ns
t
FE
Transition Fall Time
C
LOAD
= 50 pF
4
—
20
ns
t
FRFM
Rise/Fall Time Matching
90
—
111.11
%
10%
10%
90%
V
CRS
t
R
t
F
Differential
Data Lines
Data Lines
Rise Time
Fall Time
Fosc = 6MHz/750kHz
R
EXT
=27 ohms
C
load
Buffer
(b)
(a)