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AT91SAM7X256C-AU ARM7-based 16/32-bit microcontroller with 55MHz clock speed, 256KB Flash memory, and 64KB RAM. Housed in a 100-pin LQFP package with surface mount mounting.
Mfr Part #:

AT91SAM7X256C-AU

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
ARM7-based 16/32-bit microcontroller with 55MHz clock speed, 256KB Flash memory, and 64KB RAM. Housed in a 100-pin LQFP package with surface mount mounting.
✓ Total Stock: 9,764 pcs

AT91SAM7X256C-AU Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
6,954 pcs
On Request
6954 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
2,810 pcs
On Request
2810 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

AT91SAM7X256C-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Failure Rate
Height
Length
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
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AT91SAM7X256C-AU Description

Short technical summary and product information.

The AT91SAM7X256C-AU is a 16/32-bit ARM7 microcontroller from Microchip Technology. It operates at a maximum clock frequency of 55MHz and features 256KB of Flash program memory and 64KB of RAM. The device includes 62 programmable I/O lines and a rich set of peripherals including Brown-out Detect/Reset, DMA, POR, PWM, and WDT.

 

Connectivity options include CANbus, Ethernet, I²C, SPI, SSC, UART/USART, and USB. The microcontroller also integrates an 8-channel 10-bit ADC and three timers. It operates from a core supply voltage of 1.65V to 1.95V and an I/O supply voltage of 3V to 3.6V.

 

The device is available in a 100-pin LQFP package measuring 14mm x 14mm with a height of 1.45mm, suitable for surface mount assembly. It is rated for an operating temperature range of -40°C to 85°C, making it suitable for industrial applications.

AT91SAM7X256C-AU Quick Information

Product Type: Microcontroller
Series: SAM7X256
Canonical Name: AT91SAM7X256C-AU
Subcategory: ARM7 Microcontroller

AT91SAM7X256C-AU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AT91SAM7X256C-AU Features

  • ARM7 16/32-bit RISC core with 55MHz clock.
  • 256KB Flash program memory and 64KB RAM.
  • 62 programmable I/O lines with multiple serial interfaces.
  • Includes CANbus, Ethernet, USB, and I²C connectivity.
  • 100-pin LQFP package with surface mount mounting.

AT91SAM7X256C-AU Applications

  • Used in industrial control and automation systems.
  • Suitable for networked embedded devices with Ethernet.
  • Ideal for motor control with PWM and ADC.
  • Applicable in automotive CAN bus applications.

AT91SAM7X256C-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT91SAM7X256C-AU?

Core supply voltage is 1.65V to 1.95V; I/O supply voltage is 3V to 3.6V.

What package does the AT91SAM7X256C-AU come in?

100-pin LQFP package with dimensions 14mm x 14mm.

What is the operating temperature range?

-40°C to 85°C.

Is the AT91SAM7X256C-AU RoHS compliant?

RoHS3 compliant (unverified).

What is the maximum clock frequency?

55MHz.

How much Flash and RAM does it have?

256KB Flash and 64KB RAM.

What communication interfaces are supported?

CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB.

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