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AT91R40008-66AU AT91R40008-66AU is a 16/32-bit microcontroller based on the ARM7TDMI processor core. It features 256K bytes of on-chip SRAM, operates at 66MHz, and is housed in a 100-LQFP package.
Mfr Part #:

AT91R40008-66AU

Available from 2 distributors
Mfr Name: Atmel
Atmel
AT91R40008-66AU is a 16/32-bit microcontroller based on the ARM7TDMI processor core. It features 256K bytes of on-chip SRAM, operates at 66MHz, and is housed in a 100-LQFP package.
✓ Total Stock: 2,402 pcs

AT91R40008-66AU Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,222 pcs
On Request
2222 pcs On Request 1 On Request On Request 24+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
180 pcs
On Request
180 pcs On Request 1 On Request On Request 14+06+ On Request On Request
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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
Voltage
Watchdog Timer
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AT91R40008-66AU Description

Short technical summary and product information.

The AT91R40008-66AU is a member of the Atmel AT91 microcontroller family, based on the ARM7TDMI processor core. It combines a 32-bit RISC architecture with a high-density 16-bit instruction set for low power consumption. The device features 256K bytes of on-chip SRAM with a 32-bit data bus and single-clock cycle access.

 

It includes a fully programmable external bus interface (EBI) supporting up to 64M bytes of external address space, eight chip selects, and a software programmable 8/16-bit external data bus. Peripherals include a watchdog timer, power-on reset, 32 programmable I/O lines, two USARTs with dedicated peripheral data controller channels, and a three-channel 16-bit timer/counter.

 

The microcontroller operates with a core voltage of 1.65V to 1.95V and I/O voltage of 2.7V to 3.6V. It is fully static from 0 to 75MHz internal frequency and is rated for 66MHz maximum clock frequency. The operating temperature range is -40°C to 85°C.

 

The device is available in a 100-lead LQFP (14x14mm) package with surface mount mounting. It is designed for real-time control applications requiring high performance and low power.

AT91R40008-66AU Quick Information

Product Type: Microcontroller
Canonical Name: AT91R40008-66AU
Subcategory: 16/32-Bit

AT91R40008-66AU Compliance

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

AT91R40008-66AU Features

  • ARM7TDMI 32-bit RISC processor core.
  • 256K bytes on-chip SRAM with 32-bit data bus.
  • Programmable external bus interface with 8 chip selects.
  • 66MHz maximum clock frequency, fully static operation.
  • 100-lead LQFP package, green, RoHS compliant.

AT91R40008-66AU Applications

  • Ideal for real-time control applications.
  • Suitable for industrial automation systems.
  • Used in embedded systems with external memory.
  • Designed for low-power embedded control.
  • Supports serial communication interfaces.

AT91R40008-66AU FAQs

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

The core processor is the ARM7TDMI.

What is the maximum clock frequency of the AT91R40008-66AU?

The maximum clock frequency is 66MHz.

How much on-chip SRAM does the AT91R40008-66AU have?

It has 256K x 8 (256K bytes) of on-chip SRAM.

What is the operating voltage range of the AT91R40008-66AU?

Core supply voltage is 1.65V to 1.95V, and I/O supply voltage is 2.7V to 3.6V.

What package is the AT91R40008-66AU available in?

It is available in a 100-lead LQFP (14x14mm) package.

What is the operating temperature range of the AT91R40008-66AU?

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

Is the AT91R40008-66AU RoHS compliant?

RoHS3 Compliant (unverified, low confidence).

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