AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 572

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

37.8
37.8.1
Table 37-16. Electrical Parameters
37.8.2
Table 37-17. In Full Speed
Symbol
V
V
V
V
C
I
R
V
V
V
I
I
Symbol
t
t
t
VDDIO
VDDCORE
FR
FE
FRFM
IL
IH
DI
CM
OL
OH
CRS
IN
EXT
USB Transceiver Characteristics
Electrical Characteristics
Switching Characteristics
Parameter
Low Level
High Level
Differential Input Sensitivity
Differential Input Common
Mode Range
Transceiver capacitance
Hi-Z State Data Line Leakage
Recommended External USB
Series Resistor
Low Level Output
High Level Output
Output Signal Crossover
Voltage
Current Consumption
Current Consumption
Parameter
Transition Rise Time
Transition Fall Time
Rise/Fall time Matching
Conditions
Capacitance to ground on each line
0V < V
|(D+) - (D-)|
In series with each USB pin with ±5%
Measured with R
to 3.6V
Measured with R
to GND
Measure conditions described in
Figure 37-3
Transceiver enabled in input mode
DDP=1 and DDM=0
Conditions
C
C
LOAD
LOAD
IN
= 50 pF
= 50 pF
Output Levels
Consumption
< 3.3V
Input Levels
L
L
of 1.425 kOhm tied
of 14.25 kOhm tied
SAM7S Series [DATASHEET]
Min
90
Min
-10
4
4
2.0
0.2
0.8
0.0
2.8
1.3
Typ
Typ
105
27
80
6175M–ATARM–26-Oct-12
111.11
Max
Max
9.18
+10
200
150
0.8
2.5
0.3
3.6
2.0
20
20
Unit
Unit
pF
µA
µA
µA
ns
ns
%
V
V
V
V
Ω
V
V
V
572