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AT91M40800-33AU

Name: AT91M40800-33AU
Rating: 4.7 (12 reviews)

IC MCU 16/32BIT ROMLESS 100LQFP

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規格

Series	AT91
Part Status	Active
DigiKey Programmable	Not Verified
Core Processor	ARM7®
Core Size	16/32-Bit
Speed	33MHz
Connectivity	EBI/EMI, UART/USART
Peripherals	POR, WDT
Number of I/O	32
Program Memory Type	ROMless
RAM Size	8K x 8
Voltage - Supply (Vcc/Vdd)	1.8V ~ 3.6V
Oscillator Type	External
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Supplier Device Package	100-LQFP (14x14)
Package / Case	100-LQFP
Base Product Number	AT91M40800

概述

Description

The AT91M40800-33AU is a microcontroller from Atmel's AT91 series, designed for embedded applications. It features an ARM7TDMI core, which operates at a clock speed of up to 33 MHz, providing efficient processing capabilities for various applications. The microcontroller includes 256 KB of embedded flash memory and 64 KB of SRAM, making it suitable for data-intensive tasks.
Key features include multiple I/O ports, a 10-bit ADC, USART, SPI, and TWI interfaces, facilitating communication with external devices. Its low power consumption and various power-saving modes make it ideal for battery-operated applications. The AT91M40800-33AU is commonly used in industrial automation, consumer electronics, and communication systems due to its reliability and scalability.
Additionally, it supports development through various IDEs and tools, enabling developers to create software with ease. Overall, this microcontroller balances performance and functionality, making it a robust choice for a wide range of embedded systems.

Features

The AT91M40800-33AU is a microcontroller from Atmel's ARM family, specifically based on the ARM926EJ-S core. Here are its key features:
1. Core Architecture: 32-bit ARM926EJ-S processor with a maximum frequency of 66 MHz.
2. Memory: 64 KB of SRAM and 256 KB of Flash memory, supporting external memory interfaces.
3. I/O Ports: Multiple I/O pins for general-purpose input/output (GPIO) operations.
4. Communication Interfaces: Includes UART, SPI, I2C, and CAN interfaces for versatile communication options.
5. Timer/Counters: Integrated timers and a watchdog timer for real-time application management.
6. Analog Features: 10-bit ADC for analog signal processing.
7. Power Management: Low-power modes to optimize energy consumption.
8. Development Support: Compatible with various development tools and software environments.
This microcontroller is suitable for applications in industrial control, automotive, and consumer electronics due to its performance and integrated peripherals.

Package

The AT91M40800-33AU is packaged in a PQFP (Plastic Quad Flat Pack) type, specifically in a 144-pin configuration. This surface-mount package design is suitable for compact applications and provides good thermal performance and electrical connectivity.

Pinout

The AT91M40800-33AU is a microcontroller from Atmel's AT91 family, featuring a 64-pin LQFP (Low-profile Quad Flat Package) configuration. This device is based on the ARM7TDMI microprocessor core.
Key functionalities include:
- GPIO: General Purpose Input/Output pins for interfacing with various peripherals.
- Timers: Multiple timers for generating delays, measuring time intervals, and PWM functions.
- UART: Serial communication interfaces for connecting to other devices.
- SPI/I2C: Interfaces for synchronous and asynchronous communication with other chips.
- ADC: Analog-to-Digital Converter for processing analog signals.
- PWM: Pulse Width Modulation outputs for motor control and other applications.
- Memory Interfaces: Support for external memory connections, including SRAM and Flash.
This microcontroller is widely used in embedded systems due to its versatility and various built-in features.

Manufacturer

The manufacturer of the AT91M40800-33AU is Microchip Technology Inc. Microchip is a leading provider of embedded control solutions, specializing in microcontrollers, analog semiconductors, and integrated circuits. The company focuses on developing a wide range of products that cater to various industries, including automotive, industrial, consumer, and telecommunications. Microchip is known for its commitment to innovation, quality, and customer support, offering a comprehensive ecosystem that includes development tools, software, and technical resources to assist engineers in their design processes. Established in 1989 and headquartered in Chandler, Arizona, Microchip has grown through both organic growth and acquisitions, becoming a significant player in the semiconductor industry.

Application

The AT91M40800-33AU is a microcontroller designed for embedded applications. Its primary application areas include industrial automation, consumer electronics, automotive control systems, and communication devices. It is suitable for real-time control tasks, sensor management, and data processing due to its ARM architecture and integrated peripherals. Additionally, it is used in networked systems and IoT devices for efficient data handling and connectivity.

Equivalent

The AT91M40800-33AU is an ARM7TDMI-based microcontroller. Equivalent products include the NXP LPC2103, STMicroelectronics STM32F1 series, and Microchip PIC32MX series. These alternatives also feature ARM architecture and are suitable for similar applications in embedded systems, offering varying clock speeds, memory sizes, and peripherals. Always ensure compatibility with your specific project requirements.