AT91R40008-66AU The Microchip Technology AT91R40008-66AU is a 16/32-bit microcontroller based on the ARM7TDMI processor core. It offers 256KB of SRAM and operates at speeds up to 66MHz.
Mfr Part #:

AT91R40008-66AU

Available from 3 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology AT91R40008-66AU is a 16/32-bit microcontroller based on the ARM7TDMI processor core. It offers 256KB of SRAM and operates at speeds up to 66MHz.
✓ Total Stock: 4,690 pcs

AT91R40008-66AU Available from 3 distributors

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AT91R40008-66AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Type
RAM Size
SVHC Present
Speed
Supplier Device Package
Supplier Package
Voltage

AT91R40008-66AU Description

Short technical summary and product information.

The AT91R40008-66AU is a powerful 16/32-bit microcontroller from Microchip Technology, built around the high-performance ARM7TDMI processor core. This device is designed for demanding embedded control applications, offering a 66MHz operating speed and 256KB of on-chip SRAM for efficient data handling.

 

Key features include a ROMless program memory type, 32 programmable I/O lines, and essential peripherals like POR and WDT. Connectivity options include EBI/EMI and UART/USART, facilitating integration into various system designs. The microcontroller operates within a voltage range of 1.65V to 1.95V and a temperature range of -40°C to 85°C.

 

Packaged in a 100-lead LQFP, the AT91R40008-66AU is suitable for surface mount applications. Its architecture and peripheral set make it a versatile choice for real-time control and compute-intensive embedded systems.

AT91R40008-66AU Quick Information

Product Type: Microcontroller
Series: AT91R40008
Canonical Name: AT91R40008-66AU Microcontroller
Subcategory: Microcontrollers

AT91R40008-66AU Compliance

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

AT91R40008-66AU Features

  • ARM7TDMI processor core
  • 16/32-bit core size
  • 256KB on-chip SRAM
  • 66MHz operating speed
  • 100-LQFP surface mount package

AT91R40008-66AU Applications

  • Embedded control systems with external memory interface.
  • Industrial automation and monitoring applications.
  • Communication protocol bridging tasks.
  • Low-power designs requiring 32 I/O lines.
  • 16/32-bit processing in space-constrained designs.

AT91R40008-66AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT91R40008-66AU?

The operating voltage range is 1.65V to 1.95V.

What package does the AT91R40008-66AU come in?

It comes in a 100-LQFP (14x14mm) surface-mount package.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What processor core is used?

The core processor is ARM7TDMI.

How much RAM does it have?

It has 256KB of RAM.

How many I/O pins are available?

There are 32 I/O pins.

What is the maximum speed?

The maximum speed is 66MHz.

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