Microchip Technology ATTINY28L-4AU Microcontroller

The ATTINY28L-4AU is a powerful yet compact microcontroller from Microchip Technology, offering a versatile solution for embedded systems in a wide range of applications. This microcontroller is part of the ATtiny series, known for their small size and low power consumption, making them ideal for space-constrained and power-sensitive designs.

At the heart of the ATTINY28L-4AU is an 8-bit AVR processor, which delivers a perfect balance between performance and power efficiency. With a maximum operating frequency of 4 MHz, this microcontroller is capable of executing powerful instructions in a single clock cycle. This feature enables the ATTINY28L-4AU to perform optimally in applications requiring fast processing and responsiveness.

The device comes in a 32-lead TQFP (Thin Quad Flat Pack) package, which is suitable for surface-mount technology (SMT) and ensures a minimal footprint on printed circuit boards (PCBs). The ATTINY28L-4AU operates at a voltage range of 2.7V to 5.5V, catering to both 3.3V and 5V logic level systems, and is characterized by its low-power consumption, making it an excellent choice for battery-powered devices.

With 2KB of in-system programmable flash memory, the ATTINY28L-4AU provides ample space for application code. It also features 128B EEPROM and 128B SRAM, which are essential for data storage and manipulation. The microcontroller supports various interfaces and peripherals, including a 10-bit analog-to-digital converter (ADC), which is crucial for interfacing with analog sensors and converting their signals into digital data that can be processed by the microcontroller.

Additional features of the ATTINY28L-4AU include an internal oscillator, saving external component costs, a watchdog timer for system reliability, and multiple power-saving modes. These modes enable the microcontroller to reduce power consumption during idle periods, further enhancing battery life in portable applications.

Overall, the ATTINY28L-4AU from Microchip Technology is an excellent choice for designers looking for a microcontroller that offers a small form factor, low power consumption, and sufficient processing capabilities for a variety of embedded system applications.