SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 620

• Manufacturer Part Number: SAM7SE256
• Manufacturer: Atmel Corporation

Specifications of SAM7SE256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 48 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 88
• Ext Interrupts: 88
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

40.3.2
620
SAM7SE512/256/32
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