Product Summary

The AT91SAM7S256-AU-001 is a low pincount Flash microcontrollers based on the 32-bit ARM RISC processor. The AT91SAM7S256-AU-001 features a high-speed Flash and an SRAM, a large set of peripherals, including a USB 2.0 device (except for the AT91SAM7S32) , and a complete set of system functions minimizing the number of external components. The AT91SAM7S256-AU-001 is an ideal migration path for 8-bit microcontroller users looking for additional performance and extended memory.

Parametrics

AT91SAM7S256-AU-001 ratings: (1) Voltage and ADC Regulator Power Supply Input VDDIN: 3 to 3.6V; (2) Voltage Regulator Output VDDOUT: 1.85V nominal; (3) Flash Power Supply VDDFLASH: 3.0 to 3.6V; (4) I/O Lines Power Supply VDDIO: 3.0V to 3.6V or 1.65V to 1.95V; (5) Core Power Supply VDDCORE: 1.65V to 1.95V; (6) PLL: 1.65V to 1.95V.

Features

AT91SAM7S256-AU-001 features: (1) Incorporates the ARM7TDMI ARM Thumb Processor; (2) Internal High-speed Flash; (3) Internal High-speed SRAM, Single-cycle Access at Maximum Speed; (4) Memory Controller (MC) ; (5) Advanced Interrupt Controller (AIC) ; (6) IEEE 1149.1 JTAG Boundary Scan on All Digital Pins; (7) Fully Static Operation: Up to 55 MHz at 1.65V and 85°C Worst Case Conditions; (8) Available in 48-lead LQFP Green Package.

Diagrams

AT91SAM7S256-AU-001 Block Diagram"

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