Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
1054
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
48.11 USB Transceiver Characteristics
48.11.1 Electrical Characteristics
Table 48-21. Transfer Characteristics
Parameter
Min
Typ
Max
Units
Resolution
10
bit
Integral Non-linearity
±2
LSB
Differential Non-linearity
- ADC Clock = 13.2 MHz
- ADC Clock = 5 MHz
±2
±0.9
LSB
Offset Error
±10
mV
Gain Error
- ADC Clock = 13.2 MHz
- ADC Clock = 5 MHz
±3
±2
LSB
Table 48-22. Electrical Parameters
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Input Levels
V
IL
Low Level
0.8
V
V
IH
High Level
2.0
V
V
DI
Differential Input Sensitivity
|(D+) - (D-)|
0.2
V
V
CM
Differential Input Common
Mode Range
Mode Range
0.8
2.5
V
C
IN
Transceiver capacitance
Capacitance to ground on each line
9.18
pF
I
Hi-Z State Data Line Leakage
0V < V
IN
< 3.3V
- 10
+ 10
µA
R
EXT
Recommended External USB
Series Resistor
Series Resistor
In series with each USB pin with ±5%
27
Ω
Output Levels
V
OL
Low Level Output
Measured with R
L
of 1.425 k
Ω tied to
3.6V
0.0
0.3
V
V
OH
High Level Output
Measured with R
L
of 14.25 k
Ω tied to
GND
2.8
3.6
V
V
CRS
Output Signal Crossover
Voltage
Voltage
Measure conditions described in
1.3
2.0
V
Pull-up and Pull-down Resistor
R
PUI
Bus Pull-up Resistor on
Upstream Port (idle bus)
Upstream Port (idle bus)
0.900
1.575
kOhm
R
PUA
Bus Pull-up Resistor on
Upstream Port (upstream port
receiving)
Upstream Port (upstream port
receiving)
1.425
3.090
kOhm
R
PD
Bus Pull-down resistor
14.25
24.8
kOhm