Features
Incorporates the ARM7TDMI ARM Thumb Processor
High-performance 32-bit RISC Architecture
High-density 16-bit Instruction Set
Leader in MIPS/Watt
In-circuit Emulation, Debug Communication Channel Support
EmbeddedICE
Internal High-speed Flash
512 Kbytes, Organized in Two Contiguous Banks of 1024 Pages of 256 Bytes Dual
Plane (SAM7SE512)
AT91SAM
256 Kbytes (SAM7SE256) Organized in One Bank of 1024 Pages of 256 Bytes
Single Plane (SAM7SE256)
ARM-based
32 Kbytes (SAM7SE32) Organized in One Bank of 256 Pages of 128 Bytes Single
Plane (SAM7SE32)
Flash MCU
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 Erase Cycles, 10-year Data Retention Capability, Sector Lock Capabilities, SAM7SE512
Flash Security Bit
SAM7SE256
Fast Flash Programming Interface for High Volume Production
32 Kbytes (SAM7SE512/256) or 8 Kbytes (SAM7SE32) of Internal
SAM7SE32
High-speed SRAM, Single-cycle Access at Maximum Speed
One External Bus Interface (EBI)
Supports SDRAM, Static Memory, Glueless Connection to CompactFlash and
ECC-enabled NAND Flash
Memory Controller (MC)
Embedded Flash Controller
Memory Protection Unit
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
Three 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)
Two-wire UART and Support for Debug Communication Channel interrupt,
Programmable ICE Access Prevention
Mode for General Purpose Two-wire UART Serial Communication
Periodic Interval Timer (PIT)
20-bit Programmable Counter plus 12-bit Interval Counter
Windowed Watchdog (WDT)
6222HATARM25-Jan-12
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
Three Parallel Input/Output Controllers (PIO)
Eighty-eight 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
Schmitt Trigger on All inputs
Eleven Peripheral DMA Controller (PDC) Channels
One USB 2.0 Full Speed (12 Mbits per second) Device Port
On-chip Transceiver, Eight Endpoints, 2688-byte Configurable Integrated FIFOs
One Synchronous Serial Controller (SSC)
Independent Clock and Frame Sync Signals for Each Receiver and Transmitter
IS 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)
Infrared Modulation/Demodulation
Individual Baud Rate Generator, IrDA
Support for ISO7816 T0/T1 Smart Card, Hardware Handshaking, RS485 Support
Full Modem Line Support on USART1
One 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 PWM Controller (PWMC)
One Two-wire Interface (TWI)
Master, Multi-Master and Slave Mode Support, All Two-wire Atmel EEPROMs Supported
General Call Supported in Slave Mode
One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os
SAM-BA
Default Boot program
Interface with SAM-BA Graphic User Interface
IEEE 1149.1 JTAG Boundary Scan on All Digital Pins
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
1.8V or 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 1.8V and 85 C Worst Case Conditions
Up to 48 MHz at 1.65V and 85 C Worst Case Conditions
Available in a 128-lead LQFP Green Package, or a 144-ball LFBGA RoHS-compliant Package
2
SAM7SE512/256/32
6222HATARM25-Jan-12