Break IC, Recover MCU, Microcontroller Reverse Engineering

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Attack MCU AT91SAM7S256 and break microcontroller at91sam7s256 fuse bit, extract embeded Binary from ATMEL microprocessor flash and eeprom memory;

· Incorporates the ARM7TDMI® ARM® Thumb® Processor

– High-performance 32-bit RISC Architecture

– High-density 16-bit Instruction Set

– Leader in MIPS/Watt

– Embedded*ICE™ In-circuit Emulation, Debug Communication Channel Support

Internal High-speed Flash

– 256 kbytes, organized in 1024 Pages of 256 Bytes (AT91SAM7S256)

– 128 kbytes, organized in 512 Pages of 256 Bytes (AT91SAM7S128)

– 64 kbytes, organized in 512 Pages of 128 Bytes (AT91SAM7S64)

– 32 kbytes, organized in 256 Pages of 128 Bytes (AT91SAM7S321/32)

– Single Cycle Access at Up to 30 MHz in Worst Case Conditions

– Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed after break avr atmega64a MCU

– 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

– 64 kbytes (AT91SAM7S256)

– 32 kbytes (AT91SAM7S128)

– 16 kbytes (AT91SAM7S64)

– 8 kbytes (AT91SAM7S321/32)

Memory Controller (MC)

– Embedded Flash Controller, Abort Status and Misalignment Detection

Reset Controller (RSTC)

– Based on Power-on Reset and Low-power Factory-calibrated Brown-out 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)

– Software 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 (AT91SAM7S256/128/64/321) or One (AT91SAM7S32) 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 by break microcontroller atmega128 hex

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

Eleven (AT91SAM7S256/128/64/321) or Nine (AT91SAM7S32) Peripheral DMA Controller (PDC) Channels

One USB 2.0 Full Speed (12 Mbits per Second) Device Port (Except for the AT91SAM7S32).

– On-chip Transceiver, 328-byte Configurable Integrated FIFOs

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 (AT91SAM7S256/128/64/321) or One (AT91SAM7S32) 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

– Manchester Encoder/Decoder (AT91SAM7S256/128)

– Full Modem Line Support on USART1 (AT91SAM7S256/128/64/321)

One Master/Slave Serial Peripheral Interface (SPI)

– 8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects

One Three (AT91SAM7S256/128/64/321)-channel or Two (AT91SAM7S32)-channel 16-bit Timer/Counter (TC)

– Three (AT91SAM7S256/128/64/321) or One (AT91SAM7S32) External Clock Inputs, Two Multi-purpose I/O Pins per Channel before Attack MCU

– Double PWM Generation, Capture/Waveform Mode, Up/Down Capability

One Four-channel 16-bit PWM Controller (PWMC)

One Two-wire Interface (TWI)

– Master Mode Support Only, All Two-wire Atmel EEPROMs Supported

One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os

SAM-BA™ Boot Assistant

– Default Boot program

– Interface with SAM-BA Graphic User Interface

IEEE 1149.1 JTAG Boundary Scan on All Digital Pins if Attack MCU

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 or 1.8V VDDIO I/O Lines Power Supply, Independent 3.3V VDDFLASH Flash Power Supply

– 1.8V VDDCORE Core Power Supply with Brown-out Detector

Fully Static Operation: Up to 55 MHz at 1.65V and 85° C Worst Case Conditions

Available in a 64-lead LQFP Green Package (AT91SAM7S256/128/64/321) and 48-lead LQFP Green Package (AT91SAM7S32).