Atmel SAM4S Series, Preliminary Data Sheet

Page: 1112 / 1163

1112
11100B–ATARM–31-Jul-12
SAM4S Series [Preliminary]
42.6 USB Transceiver Characteristics
42.6.1 Typical Connection
For typical connection please refer to the USB Device Section.
42.6.2 Electrical Characteristics
Table 42-23. 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
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
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
Measure conditions described in
Figure 42-9 “USB Data Signal Rise
and Fall Times” 1.3 2.0 V
Consumption
I
VDDIO
Current Consumption
Transceiver enabled in input mode
DDP = 1 and DDM = 0
105 200 µA
I
VDDCORE
Current Consumption 80 150 µA
Pull-up Resistor
R
PUI
Bus Pull-up Resistor on
Upstream Port (idle bus)
0.900 1.575 k
Ω
R
PUA
Bus Pull-up Resistor on
Upstream Port (upstream port
receiving)
1.425 3.090 k
Ω