AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 620
AT91SAM7SE256B-AUR
Manufacturer Part Number
AT91SAM7SE256B-AUR
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256B-AUR
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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40.3.2
620
SAM7SE512/256/32 Preliminary
Peripheral Power Consumption in Active Mode
The figures shown below in
the power supplies..
Table 40-7.
Notes:
Table 40-8.
Mode
Active
(SAM7SE512/256/32)
Ultra Low Power
(SAM7SE512/256/32)
Peripheral
PIO Controller
USART
UDP
PWM
TWI
SPI
SSC
Timer Counter Channels
ARM7TDMI
System Peripherals (SAM7SE512/256/32)
1. “Flash is in standby mode”, means the Flash is not accessed at all.
2. Low power consumption figures stated above cannot be guaranteed when accessing the Flash
in Ultra Low Power mode. In order to meet given low power consumption figures, it is recom-
mended to either stop the processor or jump to SRAM.
Power Consumption for Different Modes
Power Consumption on V
(2)
Table 40-7
Conditions
Voltage regulator is on.
Brown Out Detector is activated.
Flash is read.
ARM Core clock is 48 MHz.
Analog-to-Digital Converter activated.
All peripheral clocks activated.
USB transceiver enabled.
onto AMP1
onto AMP2
Voltage regulator is in Low-power mode.
Brown Out Detector is de-activated.
Flash is in standby mode.
ARM Core in idle mode.
MCK @ 500 Hz.
Analog-to-Digital Converter de-activated.
All peripheral clocks de-activated.
USB transceiver disabled.
DDM and DDP pins must be left floating.
onto AMP1
onto AMP2
represent the power consumption typically measured on
DDCORE
(1)
Consumption (Typ)
(1)
170
265
12
30
24
15
18
35
6
7
Consumption
31
29
26
12
6222F–ATARM–14-Jan-11
µA/MHz
Unit
Unit
mA
µA
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