Features
 Incorporates the ARM7TDMI ARM Thumb® Processor
 High-performance 32-bit RISC Architecture
 High-density 16-bit Instruction Set
 Leader in MIPS/Watt
 EmbeddedICE™ In-circuit Emulation, Debug Communication Channel Support
 Internal High-speed Flash
 512 Kbytes (SAM7X512) Organized in Two Banks of 1024 Pages of
256 Bytes (Dual Plane)
 256 Kbytes (SAM7X256) Organized in 1024 Pages of 256 Bytes (Single Plane)
 128 Kbytes (SAM7X128) Organized in 512 Pages of 256 Bytes (Single Plane)
 Single Cycle Access at Up to 30 MHz in Worst Case Conditions
 Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed
 Page Programming Time: 6 ms, Including Page Auto-erase,
Full Erase Time: 15 ms
 10,000 Write Cycles, 10-year Data Retention Capability,
Sector Lock Capabilities, Flash Security Bit
 Fast Flash Programming Interface for High Volume Production
 Internal High-speed SRAM, Single-cycle Access at Maximum Speed
 128 Kbytes (SAM7X512)
 64 Kbytes (SAM7X256)
 32 Kbytes (SAM7X128)
 Memory Controller (MC)
 Embedded Flash Controller, Abort Status and Misalignment Detection
 Reset Controller (RSTC)
 Based on Power-on Reset Cells and Low-power Factory-calibrated Brownout Detector
 Provides External Reset Signal Shaping and Reset Source Status
 Clock Generator (CKGR)
 Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL
 Power Management Controller (PMC)
 Power Optimization Capabilities, Including Slow Clock Mode (Down to 500 Hz) and Idle Mode
 Four Programmable External Clock Signals
 Advanced Interrupt Controller (AIC)
 Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
 Two External Interrupt Sources and One Fast Interrupt Source, Spurious Interrupt Protected
 Debug Unit (DBGU)
 2-wire UART and Support for Debug Communication Channel interrupt, Programmable ICE Access Prevention
 Mode for General Purpose 2-wire UART Serial Communication
 Periodic Interval Timer (PIT)
 20-bit Programmable Counter plus 12-bit Interval Counter
 Windowed Watchdog (WDT)
 12-bit key-protected Programmable Counter
 Provides Reset or Interrupt Signals to the System
 Counter May Be Stopped While the Processor is in Debug State or in Idle Mode
 Real-time Timer (RTT)
 32-bit Free-running Counter with Alarm
 Runs Off the Internal RC Oscillator
 Two Parallel Input/Output Controllers (PIO)
 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
 Thirteen Peripheral DMA Controller (PDC) Channels
 One USB 2.0 Full Speed (12 Mbits per second) Device Port
 On-chip Transceiver, 1352-byte Configurable Integrated FIFOs
 One Ethernet MAC 10/100 base-T
 Media Independent Interface (MII) or Reduced Media Independent Interface (RMII)
 Integrated 28-byte FIFOs and Dedicated DMA Channels for Transmit and Receive
 One Part 2.0A and Part 2.0B Compliant CAN Controller
 Eight Fully-programmable Message Object Mailboxes, 16-bit Time Stamp Counter
 One Synchronous Serial Controller (SSC)
 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
 Two Universal Synchronous/Asynchronous Receiver Transmitters (USART)
 Individual Baud Rate Generator, IrDA® Infrared Modulation/Demodulation
 Support for ISO7816 T0/T1 Smart Card, Hardware Handshaking, RS485 Support
 Full Modem Line Support on USART1
 Two Master/Slave Serial Peripheral Interfaces (SPI)
 8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects
 One Three-channel 16-bit Timer/Counter (TC)
 Three External Clock Inputs, Two Multi-purpose I/O Pins per Channel
 Double PWM Generation, Capture/Waveform Mode, Up/Down Capability
 One Four-channel 16-bit Power Width Modulation Controller (PWMC)
 One Two-wire Interface (TWI)
 Master Mode Support Only, All Two-wire Atmel EEPROMs and I2C Compatible Devices Supported
 One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os
 SAM-BA® Boot Assistance
 Default Boot program
 Interface with SAM-BA Graphic User Interface
 IEEE® 1149.1 JTAG Boundary Scan on All Digital Pins
 5V-tolerant I/Os, Including Four High-current Drive I/O lines, Up to 16 mA Each
 Power Supplies
 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
 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