SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 520

• Manufacturer Part Number: SAM7X256
• Manufacturer: Atmel Corporation

Specifications of SAM7X256

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 62
• Ext Interrupts: 62
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 3
• Can: 1
• Ssc: 1
• Ethernet: 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): 64
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

520
SAM7X512/256/128
All interrupts are cleared by clearing the interrupt source except for the internal timer counter
overflow interrupt and the timestamp interrupt. These interrupts are cleared by reading the
CAN_SR register.
– Warn Limit interrupt: The CAN module is in Error-active Mode, but at least one of its
– Wake-up interrupt: This interrupt is generated after a wake-up and a bus
– Sleep interrupt: This interrupt is generated after a Low-power Mode enable once all
– Internal timer counter overflow interrupt: This interrupt is generated when the
– Timestamp interrupt: This interrupt is generated after the reception or the
error counter value exceeds 96.
synchronization.
pending messages in transmission have been sent.
internal timer rolls over.
transmission of a start of frame or an end of frame. The value of the internal counter
is copied in the CAN_TIMESTP register.
6120I–ATARM–06-Apr-11