AT91R40807-33AU

The AT91R40807-33AU is a microcontroller from Atmel’s AT91 series, designed for embedded applications. This 32-bit ARM7TDMI-based microcontroller operates at a clock frequency of up to 33 MHz and features a rich set of peripherals, making it suitable for various applications like industrial control, automotive systems, and consumer electronics.
Key features include up to 256 KB of flash memory, 64 KB of SRAM, multiple I/O ports, and support for various communication protocols such as UART, SPI, and I2C. The AT91R40807 also includes an integrated ADC (Analog-to-Digital Converter) and timers for precise control over timing and event generation.
Power efficiency is a significant characteristic, making it ideal for battery-operated devices. The microcontroller supports various operating modes, enhancing its versatility. With its robust architecture and extensive peripheral support, the AT91R40807-33AU is a reliable choice for engineers looking to build efficient and powerful embedded systems.

The AT91R40807-33AU is an ARM-based microcontroller from Atmel. Equivalent products include the Atmel AT91SAM9 series, such as AT91SAM9G20 or AT91SAM9G45, as well as other ARM Cortex-M series microcontrollers from manufacturers like NXP LPC series or STMicroelectronics STM32 series. When considering equivalents, ensure to check pin compatibility, peripheral features, and performance specifications.

The AT91R40807-33AU is an ARM7TDMI-based microcontroller from Atmel (now part of Microchip Technology), featuring a 32-bit RISC architecture. Key features include:
1. Clock Speed: Operates at a maximum frequency of 33 MHz.
2. Memory: Includes 32 KB of SRAM and supports external memory interfaces, allowing for increased RAM and Flash memory connections.
3. I/O Ports: Offers multiple general-purpose I/O pins for versatile interfacing.
4. Timers: Contains several timers/counters for various timing applications.
5. Communication Interfaces: Supports UART, SPI, and I2C for serial communication.
6. Interrupt System: Features a flexible interrupt controller for efficient task management.
7. Low Power: Designed for low power consumption, suitable for battery-operated devices.
8. Development Support: Compatible with various development tools and environments for easy programming and debugging.
This microcontroller is ideal for embedded systems, automotive applications, and industrial automation.

The AT91R40807-33AU is a microcontroller from Microchip's AT91 series, based on the ARM7TDMI core. It features a total of 100 pins. The main functions of these pins include:
1. Power Supply: VDD and VSS pins for power input and ground connection.
2. I/O Ports: Multiple general-purpose I/O (GPIO) pins for interfacing with external devices.
3. Communication Interfaces: Pins for USART, SPI, and I²C for serial communication.
4. Timer/Counter: Pins associated with timer and PWM functionalities.
5. Analog Functions: ADC input pins for analog signal processing.
6. External Interrupts: Dedicated pins for external interrupt handling.
7. Programming/Debugging: Pins for JTAG or SWD interfaces used for programming and debugging.
This microcontroller is suitable for embedded applications requiring efficient processing and versatile I/O capabilities.

The AT91R40807-33AU is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in designing and manufacturing integrated circuits for a wide range of applications, including automotive, industrial, consumer, and communications sectors. The company is known for its PIC microcontrollers and dsPIC digital signal controllers, as well as various development tools and software that aid in embedded system design. Microchip is recognized for its focus on innovation and support for engineers, making it a prominent player in the semiconductor industry.

The AT91R40807-33AU is a microcontroller from Atmel's AT91S series, featuring ARM architecture. Its application areas include industrial control systems, automation, telecommunications, automotive systems, and consumer electronics. It is well-suited for embedded systems due to its low power consumption, integrated peripherals, and connectivity options. Additionally, it can be used in robotics, medical devices, and IoT applications, where reliable processing and real-time performance are essential. Its versatility makes it ideal for both complex and simple embedded solutions.

The AT91R40807-33AU is packaged in a 64-pin LQFP (Low-Profile Quad Flat Package).