AT91RM3400-DK Atmel, AT91RM3400-DK Datasheet - Page 437

• Manufacturer Part Number: AT91RM3400-DK
• Description: KIT DEV FOR AT91RM3400
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91RM3400-DK

• Contents: Evaluation Board, Software and Documentation
• Processor To Be Evaluated: AT91RM3400
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• For Use With/related Products: AT91RM3400
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Switching Characteristics
Table 83. In Low Speed
Table 84. In Full Speed
Figure 177. USB Data Signal Rise and Fall Times
1790A–ATARM–11/03
Symbol
t
t
t
Symbol
t
t
t
FR
FE
FRFM
FR
FE
FRFM
Parameter
Transition Rise Time
Transition Fall Time
Rise/Fall Time Matching
Parameter
Transition Rise Time
Transition Fall Time
Rise/Fall Time Matching
Differential
Data Lines
V
CRS
Fosc = 6MHz/750kHz
10%
Rise Time
t
R
Conditions
C
C
C
Conditions
C
C
LOAD
LOAD
LOAD
LOAD
LOAD
= 400 pF
= 400 pF
= 400 pF
= 50 pF
= 50 pF
Buffer
90%
(a)
(b)
R
EXT
=27 ohms
Fall Time
C
load
t
F
10%
Min
Min
75
75
80
90
4
4
Typ
Typ
AT91RM3400
111.11
Max
Max
300
300
125
20
20
Unit
Unit
ns
ns
%
ns
ns
%
437