SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 2

• 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

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2
Real-time Timer (RTT)
Two Parallel Input/Output Controllers (PIO)
Thirteen Peripheral DMA Controller (PDC) Channels
One USB 2.0 Full Speed (12 Mbits per second) Device Port
One Ethernet MAC 10/100 base-T
One Part 2.0A and Part 2.0B Compliant CAN Controller
One Synchronous Serial Controller (SSC)
Two Universal Synchronous/Asynchronous Receiver Transmitters (USART)
Two Master/Slave Serial Peripheral Interfaces (SPI)
One Three-channel 16-bit Timer/Counter (TC)
One Four-channel 16-bit Power Width Modulation Controller (PWMC)
One Two-wire Interface (TWI)
One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os
SAM-BA
IEEE
5V-tolerant I/Os, Including Four High-current Drive I/O lines, Up to 16 mA Each
Power Supplies
Fully Static Operation: Up to 55 MHz at 1.65V and 85° C Worst Case Conditions
Available in 100-lead LQFP Green and 100-ball TFBGA Green Packages
– 32-bit Free-running Counter with Alarm
– Runs Off the Internal RC Oscillator
– Sixty-two Programmable I/O Lines Multiplexed with up to Two Peripheral I/Os
– Input Change Interrupt Capability on Each I/O Line
– Individually Programmable Open-drain, Pull-up Resistor and Synchronous Output
– On-chip Transceiver, 1352-byte Configurable Integrated FIFOs
– Media Independent Interface (MII) or Reduced Media Independent Interface (RMII)
– Integrated 28-byte FIFOs and Dedicated DMA Channels for Transmit and Receive
– Eight Fully-programmable Message Object Mailboxes, 16-bit Time Stamp Counter
– Independent Clock and Frame Sync Signals for Each Receiver and Transmitter
– I²S Analog Interface Support, Time Division Multiplex Support
– High-speed Continuous Data Stream Capabilities with 32-bit Data Transfer
– Individual Baud Rate Generator, IrDA
– Support for ISO7816 T0/T1 Smart Card, Hardware Handshaking, RS485 Support
– Full Modem Line Support on USART1
– 8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects
– Three External Clock Inputs, Two Multi-purpose I/O Pins per Channel
– Double PWM Generation, Capture/Waveform Mode, Up/Down Capability
– Master Mode Support Only, All Two-wire Atmel EEPROMs and I
– Default Boot program
– Interface with SAM-BA Graphic User Interface
– Embedded 1.8V Regulator, Drawing up to 100 mA for the Core and External Components
– 3.3V VDDIO I/O Lines Power Supply, Independent 3.3V VDDFLASH Flash Power Supply
– 1.8V VDDCORE Core Power Supply with Brownout Detector
®
1149.1 JTAG Boundary Scan on All Digital Pins
SAM7X512/256/128
®
Boot Assistance
®
Infrared Modulation/Demodulation
2
C Compatible Devices Supported
6120I–ATARM–06-Apr-11