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AT91M40800-33AU The AT91M40800-33AU is a 16/32-bit microtroller from Microchip Technology based on the ARM7TDMI core. It operates at 33MHz, features 8KB SRAM, and offers 32 programmble I/O lines in a 100-LQFP package.
Mfr Part #:

AT91M40800-33AU

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The AT91M40800-33AU is a 16/32-bit microtroller from Microchip Technology based on the ARM7TDMI core. It operates at 33MHz, features 8KB SRAM, and offers 32 programmble I/O lines in a 100-LQFP package.
✓ Total Stock: 1,810 pcs

AT91M40800-33AU Available from 2 distributors

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Xingangxin ✓
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1,794 pcs
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1794 pcs On Request 1 On Request On Request On Request On Request On Request
Hybrid Electronics ✓
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16 pcs
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16 pcs On Request 1 On Request On Request On Request On Request On Request
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AT91M40800-33AU 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
Watchdog Timer
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AT91M40800-33AU Description

Short technical summary and product information.

The AT91M40800-33AU is a ROMless microcontroller from Microchip Technology based on the ARM7TDMI 16/32-bit RISC core. It operates at a clock speed of 33MHz with a maximum frequency of 40MHz under specific conditions. The device includes 32 general-purpose I/O lines, 8Kx8 static RAM, and supports external memory expansion via a software-programmable 8/16-bit external bus interface. Connectivity options include EBI/EMI and dual UART/USART channels. Built-in peripherals include a power-on reset (POR) circuit and a programmable watchdog timer. The microcontroller operates from a supply voltage range of 1.8V to 3.6V and is specified for an industrial temperature range of -40°C to +85°C. It is housed in a 100-LQFP (14x14mm) surface-mount package with 100 leads. Designed for embedded systems that require external program memory, it offers 64MB of external address space and 8 chip selects.

AT91M40800-33AU Quick Information

Product Type: Microcontroller
Canonical Name: AT91M40800-33AU ARM7TDMI-based Microcontroller
Subcategory: 16/32-bit Microcontrollers

AT91M40800-33AU Compliance

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

AT91M40800-33AU Features

  • ARM7TDMI RISC processor at 33MHz.
  • 8KB on-chip SRAM with single-cycle access.
  • Fully programmble External Bus Interface.
  • Operates from 1.8V to 3.6V supply.
  • Industrial temperature range -40°C to +85°C.

AT91M40800-33AU Applications

  • Real-time control requiring external memory.
  • Industrial automation and embedded systems.
  • Battery-powered devices with low power needs.
  • Data acquisition and communication interfaces.

AT91M40800-33AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT91M40800-33AU?

The supply voltage range is 1.8V to 3.6V.

What package is the AT91M40800-33AU available in?

It is available in a 100-LQFP (Low-profile Quad Flat Package) measuring 14x14mm.

What is the operating temperature range?

-40°C to +85°C (TA).

Is the AT91M40800-33AU RoHS compliant?

The part is listed as RoHS3 Compliant, but the compliance data is unverified. The datasheet indicates a 'Green' package.

What core processor does the AT91M40800-33AU use?

It uses the ARM7TDMI core, a 32-bit RISC architecture.

What is the clock speed of the microcontroller?

The operating speed is 33MHz, with a maximum frequency of 40MHz at 3.0V, 85°C.

How much on-chip RAM does the device have?

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

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