Product Details

The Microchip's ARM-based SAM7X256 is a member of the Microchip SAM7X series of microcontrollers based on the 32-bit ARM7TDMI processor. It operates at a maximum speed of 55 MHz and features 256KB of flash memory and 64KB of SRAM. The peripheral set includes USB 2.0 Full Speed device port , Ethernet MAC 10/100 port, CAN 2.0A and 2.0B compliant Controller, two USART, UART, two SPI, SSC, TWI (I2C), three 16-bit timers, RTT and 8x10-bit ADC. Typical core supply is 1.8V, I/Os are supplied at 1.8V or 3.3V and are 5V tolerant. An integrated voltage regulator allows single supply at 3.3V. The SAM7X256 is supplied in 100-lead LQFP and TFBGA packages.

Products 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 of256 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

Specifications

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