Microchip Technology AT91SAM7X256C-AUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series SAM7X
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor ARM7®
Core Size 16/32-Bit
Speed 55MHz
Connectivity CANbus, Ethernet, I2C, SPI, SSC, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 62
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 64K x 8
Voltage - Supply (Vcc/Vdd) 1.65V ~ 1.95V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 100-LQFP (14x14)
Package / Case 100-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The AT91SAM7X256C-AUR from Microchip Technology is an ARM7-based microcontroller. It operates at 55MHz and offers 256KB of flash memory and 64KB of RAM. The device supports a low supply voltage range of 1.65V to 1.95V, ideal for power-sensitive applications. It includes features such as Brown-out Detect/Reset, DMA, POR, PWM, and WDT. Housed in a 100-LQFP package, it operates from -40°C to 85°C.

  • Low Power Operation: 1.65V to 1.95V supply reduces power consumption for portable devices.
  • Proven ARM7 Core: Reliable and well-supported architecture with extensive software ecosystem.
  • Rich Peripheral Set: DMA, PWM, and multiple reset features provide design flexibility.
  • Compact Package: 100-LQFP offers a good balance of I/O and board space.

Ethernet-Connected Industrial Devices

The ARM7 core at 55MHz, combined with DMA, efficiently handles TCP/IP stacks for industrial gateways and remote I/O.

Portable Medical Instruments

Low 1.65V operation enables battery-powered designs for handheld diagnostic tools requiring 256KB flash for complex algorithms.

Building Automation Controllers

Use the PWM and WDT features to manage lighting and HVAC systems with reliable operation in commercial buildings.

Point-of-Sale Terminals

The 64KB RAM supports secure transaction processing and peripheral management in POS systems.

Networking Peripherals

With DMA and POR, it can serve as a protocol converter between serial and Ethernet interfaces.

Test and Measurement Equipment

The high-speed ARM7 core and rich peripheral set enable precise data acquisition and control in benchtop instruments.

Q: What is the core processor of the AT91SAM7X256C-AUR?
A: It is based on the ARM7 core.
Q: What is the maximum speed?
A: It operates at up to 55MHz.
Q: What is the supply voltage range?
A: It supports a supply voltage from 1.65V to 1.95V.
Q: How much flash and RAM does it have?
A: It features 256KB of flash memory and 64KB of RAM.
Q: What package is available?
A: It comes in a 100-LQFP package.
Base Product Number : AT91SAM7X256C
100-LQFP 256KB Flash 32-bit MCU 55MHz 64KB RAM ARM7 AT91SAM7X AT91SAM7X256C-AUR DMA Ethernet Low Power
Q: What is the core processor of the AT91SAM7X256C-AUR?
A: It is based on the ARM7 core.
Q: What is the maximum speed?
A: It operates at up to 55MHz.
Q: What is the supply voltage range?
A: It supports a supply voltage from 1.65V to 1.95V.
Q: How much flash and RAM does it have?
A: It features 256KB of flash memory and 64KB of RAM.
Q: What package is available?
A: It comes in a 100-LQFP package.