AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 625

• Manufacturer Part Number: AT91SAM7SE256B-CUR
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-CUR

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Processor Series: SAM7SE256
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 88
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Processor To Be Evaluated: AT91SAM7SE256B
• Supply Current (max): 60 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

40.6
40.6.1
Table 40-14. Electrical Parameters
40.6.2
Table 40-15. In Full Speed
6222F–ATARM–14-Jan-11
Symbol
V
V
V
V
C
I
R
V
V
V
I
I
R
R
Symbol
t
t
t
VDDIO
VDDCORE
FR
FE
FRFM
IL
IH
DI
CM
OL
OH
CRS
IN
EXT
PUI
PUA
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
Bus Pull-up Resistor on
Upstream Port (idle bus)
Bus Pull-up Resistor on
Upstream Port (upstream port
receiving)
Parameter
Transition Rise Time
Transition Fall Time
Rise/Fall time Matching
Conditions
|(D+) - (D-)|
Capacitance to ground on each line
0V < V
In series with each USB pin with ±5%
Measured with R
to 3.6V
Measured with R
to GND
Measure conditions described in
Figure 40-3
Transceiver enabled in input mode
DDP=1 and DDM=0
Conditions
C
C
LOAD
LOAD
Pull-up Resistor
= 50 pF
= 50 pF
IN
Output Levels
Consumption
Input Levels
< 3.3V
SAM7SE512/256/32 Preliminary
L
L
of 1.425 kOhm tied
of 14.25 kOhm tied
0.900
1.425
Min
Min
2.0
0.2
0.8
-10
0.0
2.8
1.3
90
4
4
Typ
105
Typ
27
80
111.11
1.575
3.090
Max
9.18
+10
200
150
Max
0.8
2.5
0.3
3.6
2.0
20
20
Unit
Unit
µA
µA
µA
pF
kΩ
kΩ
ns
ns
%
V
V
V
V
Ω
V
V
V
625