AT91SAM7S256-AU-001 Circuit Board Chips DIP IC Chip Original IC Electronics Components

AT91SAM7S256-AU

Features

• 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

• 256 Kbytes of Internal High-speed Flash, Organized in 1024 Pages of 256 Bytes

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

– Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed

– Page Programming Time: 4 ms, Including Page Auto-erase, Full Erase Time: 10 ms

– 10,000 Write Cycles, 10-year Data Retention Capability, Sector Lock Capabilities, Flash Security Bit

– Fast Flash Programming Interface for High Volume Production

• 64 Kbytes of Internal High-speed SRAM, Single-cycle Access at Maximum Speed

• 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 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

• 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

• One Parallel Input/Output Controller (PIOA)

– Thirty-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

• Eleven Peripheral DMA Controller (PDC) Channels

• One USB 2.0 Full Speed (12 Mbits per second) Device Port

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

A part of stock list

CHONGMING GROUP (HK) INT'L CO., LTD. located in Hong Kong and Shenzhen. We are an independent Distributor of Electronic Components,established in 2008. AS a growing fast company, CM GROUP is renowned for its world-class efficiency, excellent services, and extraordinary ability to supply electronic components that are hard to find and even obsolete. We have taken pride in our innovation, reliability and service, especially in the semiconductor marketplace.
Our distribution brands include XILINX，ALTERA，ATMEL, INFINEON, ST,SAMSUNG，TEXAS INSTRUMENTS，ON，TOSHIBA，，MICROCHIP，CYPRESS，FREESCALE，etc. We distributes over 200,000 products ranging from semiconductors to resistors, capacitors, diodes, inductors, connectors, transistors, sensors and so on.
Our mission is to meet and exceed all the expecations of what we supply to customers.