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AT91SAM7SE256-AU ARM7-based 16/32-bit microcontroller with 256KB Flash, 32KB RAM, 55MHz clock, and 88 I/O pins in a 128-LQFP package.
Mfr Part #:

AT91SAM7SE256-AU

Available from 4 distributors
Mfr Name: Atmel
Atmel
ARM7-based 16/32-bit microcontroller with 256KB Flash, 32KB RAM, 55MHz clock, and 88 I/O pins in a 128-LQFP package.
✓ Total Stock: 6,920 pcs

AT91SAM7SE256-AU Available from 4 distributors

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AT91SAM7SE256-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Lead Style
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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AT91SAM7SE256-AU Description

Short technical summary and product information.

The AT91SAM7SE256-AU is a 16/32-bit microcontroller from Atmel based on the ARM7 core. It operates at up to 55MHz and features 256KB of Flash program memory and 32KB of RAM. This device includes a rich set of peripherals such as EBI/EMI, I²C, SPI, SSC, UART/USART, and USB connectivity, along with brown-out detect/reset, POR, PWM, and watchdog timer.

 

With 88 general-purpose I/O pins, it provides ample interface capability for complex embedded systems. The microcontroller also includes an 8-channel 10-bit analog-to-digital converter. It operates from a 1.65V to 1.95V supply and has an internal oscillator.

 

The device is housed in a 128-LQFP package (20x14mm) with surface mount mounting. It is specified for an operating temperature range of -40°C to 85°C, making it suitable for industrial applications.

AT91SAM7SE256-AU Quick Information

Product Type: Microcontroller
Series: AT91SAM7SE
Canonical Name: AT91SAM7SE256-AU
Subcategory: ARM7 Microcontrollers

AT91SAM7SE256-AU Compliance

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

AT91SAM7SE256-AU Features

  • ARM7 16/32-bit core running at 55MHz.
  • 256KB Flash and 32KB RAM memory.
  • 88 I/O pins with multiple serial interfaces.
  • 8-channel 10-bit ADC included.
  • Operates from 1.65V to 1.95V supply.

AT91SAM7SE256-AU Applications

  • Ideal for industrial control and automation systems.
  • Suitable for embedded networking and communication devices.
  • Used in portable and battery-powered equipment.
  • Applicable in human-machine interface (HMI) applications.

AT91SAM7SE256-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range?

1.65V to 1.95V.

What package does the AT91SAM7SE256-AU come in?

128-LQFP (20x14mm).

What is the operating temperature range?

-40°C to 85°C.

Is the AT91SAM7SE256-AU RoHS compliant?

RoHS3 Compliant (unverified).

What core processor does the AT91SAM7SE256-AU use?

ARM7.

What is the maximum clock speed?

55MHz.

How much Flash and RAM does it have?

256KB Flash and 32KB RAM.

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