AT43USB320A-AC Atmel, AT43USB320A-AC Datasheet - Page 104

• Manufacturer Part Number: AT43USB320A-AC
• Description: IC USB MCU EMBED HUB AVR 100LQFP
• Manufacturer: Atmel
• Series: AVR®r

Specifications of AT43USB320A-AC

• Applications: USB Hub/Microcontroller
• Core Processor: AVR
• Controller Series: AT43USB
• Ram Size: 512 x 8
• Interface: SPI Serial, USB, UART
• Number Of I /o: 32
• Voltage - Supply: 4.4 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Program Memory Type: -

104
AT43USB320A
Figure 25. Differential Data Jitter
Figure 26. Differential-to-EOP Transition Skew and EOP Width
Figure 27. Receiver Jitter Tolerance
Differential
Data Lines
T
PERIOD
Differential
Data Lines
T
Differential
Data Lines
PERIOD
T
PERIOD
N*T
PERIOD
Diff. Data-to-
SE0 Skew
N*T
+ T
Crossover
Consecutive
N*T
Transitions
PERIOD
DEOP
Points
Consecutive
Transitions
N*T
PERIOD
T
JR
Transitions
PERIOD
+ T
Paired
Crossover
Extended
N*T
+ T
XJR1
Point
Consecutive
Transitions
PERIOD
JR1
+ T
XJR2
+ T
T
JR1
JR1
Source EOP Width:
Receiver EOP Width:
T
JR2
T
T
LEOPT
FEOPT
T
T
LEOPR
FEOPR
1443E–USB–4/04