AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 625
AT91SAM7SE256B-CUR
Manufacturer Part Number
AT91SAM7SE256B-CUR
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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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
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