Product Summary

The Atmel’s AT91SAM7S256-AU is a low pincount Flash microcontroller based on the 32-bit ARM RISC processor. It 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 is an ideal migration path for 8-bit microcontroller users looking for additional performance and extended memory.

Parametrics

AT91SAM7S256-AU absolute maximum ratings: (1)Operating Temperature (Industrial): -40℃ to + 85℃; (2)Storage Temperature: -60℃ to + 150℃; (3)Voltage on Input Pins with Respect to Ground: -0.3V to + 5.5V; (4)Maximum Operating Voltage; (5)(VDDCORE, and VDDPLL): 2.0V; (6)Maximum Operating Voltage; (7)(VDDIO, VDDIN and VDDFLASH): 4.0V; (8)Total DC Output Current on all I/O lines; (9)48-lead LQFP/QFN package: 100 mA; (10)64-lead LQFP/QFN package: 150 mA.

Features

AT91SAM7S256-AU 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)Reset Controller (RSTC); (6)Clock Generator (CKGR); (7)Power Management Controller (PMC); (8)Advanced Interrupt Controller (AIC).

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
AT91SAM7S256-AU
AT91SAM7S256-AU
Other

Data Sheet
Negotiable 
AT91SAM7S256-AU-001
AT91SAM7S256-AU-001
Atmel
ARM Microcontrollers (MCU) 256kB Flash 64kB SRAM 55MHz 4 PWM
Data Sheet
Negotiable 
AT91SAM7S256-AU-999
AT91SAM7S256-AU-999
Atmel
ARM Microcontrollers (MCU) Ind. Temp Green
Data Sheet
Negotiable