SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 621

• 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

40.4
40.4.1
Table 40-9.
6222F–ATARM–14-Jan-11
Symbol
1/(t
t
I
ST
OSC
CPRC
Crystal Oscillators Characteristics
)
RC Oscillator Characteristics
RC Oscillator Characteristics
Parameter
RC Oscillator Frequency
Duty Cycle
Startup Time
Current Consumption
Note:
1. Note: V
DDCORE
= 1.85V, T
V
V
After Startup Time
Conditions
DDPLL
DDPLL
= 1.65V
= 1.65V
A
= 25° C
SAM7SE512/256/32
Min
22
45
Typ
32
50
Max
1.9
42
55
75
Unit
kHz
µA
µs
%
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