AT90-1107 Microcontroller

Updated: 2026-09-13

Overview

The AT90-1107 is part of Atmel's AVR family of microcontrollers, which are renowned for their efficiency and versatility in embedded systems. This 8-bit microcontroller is based on a RISC architecture, offering a balance between performance and power consumption. It is commonly used in applications where space and energy efficiency are critical, such as portable devices and industrial automation systems. The AT90-1107 features a range of peripherals, including timers, communication interfaces, and analog-to-digital converters, making it suitable for diverse applications. Its compact size and low power requirements make it a popular choice for battery-operated devices and small-scale embedded projects.

Structure and Working Principle

The AT90-1107 microcontroller is built around an 8-bit AVR RISC core, which executes most instructions in a single clock cycle, enhancing its efficiency. It includes flash memory for program storage, SRAM for data handling, and EEPROM for non-volatile data retention. The microcontroller operates at a voltage range of 1.8V to 5.5V, accommodating various power environments. Its working principle involves fetching instructions from flash memory, decoding them, and executing the corresponding operations. The integrated peripherals, such as GPIO pins, timers, and communication modules (UART, SPI, I2C), allow it to interact with external components, enabling complex control tasks in embedded systems.

Key Features

The AT90-1107 stands out for its low power consumption, making it ideal for battery-powered applications. It features a wide operating voltage range, allowing flexibility in power supply design. The microcontroller also includes multiple sleep modes to further reduce energy usage during idle periods. Other notable features include its high-speed processing capability, thanks to the RISC architecture, and a rich set of integrated peripherals. These include analog comparators, PWM outputs, and serial communication interfaces, which simplify the design of complex systems without requiring additional external components.

Application Areas

The AT90-1107 is widely used in embedded systems, particularly in applications requiring low power and compact size. Common uses include home automation devices, such as smart thermostats and lighting controls, as well as portable medical devices like glucose monitors. In industrial settings, it is employed in sensor nodes, motor control units, and small-scale automation systems. Its versatility also makes it suitable for consumer electronics, including remote controls, toys, and wearable devices, where energy efficiency and reliability are paramount.

Maintenance and Precautions

Proper handling of the AT90-1107 is essential to ensure longevity and performance. Electrostatic discharge (ESD) protection should be used during installation and handling to prevent damage to the sensitive semiconductor components. The microcontroller should be operated within the voltage and temperature ranges specified in the datasheet. Regular firmware updates and debugging can help maintain optimal performance. Additionally, designers should ensure proper decoupling capacitors are used near the power pins to stabilize the supply voltage and minimize noise in the system.

B2B Procurement Guide

When procuring the AT90-1107 microcontroller in bulk, buyers should verify the authenticity of the supplier to avoid counterfeit components. Authorized distributors or direct purchases from the manufacturer are recommended. Pricing varies based on order volume, with discounts typically available for large quantities. Buyers should also consider lead times, especially for large orders, and ensure compatibility with their existing designs. Requesting samples for testing before bulk purchases can help confirm the component's suitability for the intended application.