at91sam9260-cj ATMEL Corporation, at91sam9260-cj Datasheet - Page 748

• Manufacturer Part Number: at91sam9260-cj
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

Table 41-30. MCI Timings
41.9.4
Table 41-31. In Full Speed
748
Symbol
1
2
3a
3b
4a
4b
5a
5b
6a
6b
7
Symbol
t
t
t
FR
FE
FRFM
AT91SAM9260
UDP
Parameter
Transition Rise Time
Transition Fall Time
Rise/Fall time Matching
Parameter
CLK frequency at Data transfer Mode (PP)
CLK frequency at Identification Mode
Clock high time
Clock low time
Clock fall time
Clock rise time
Input hold time
Input setup time
Output hold time
Output setup time
Output delay time
Figure 41-12. USB Data Signal Rise and Fall Times
Differential
Data Lines
V
CRS
Fosc = 6 MHz/750 kHz
Conditions
C
C
LOAD
LOAD
10%
= 50 pF
= 50 pF
Rise Time
t
R
Buffer
90%
(a)
(b)
R
EXT
Min
= 39 ohms
1.5
0.3
9
9
0
0
Min
Fall Time
90
4
4
C
load
t
F
Max
400
10%
58
Typ
5
7
9
6221G–ATARM–31-Jan-08
111.11
Max
20
20
Units
MHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
%