Microchip Technology's AVR128DB28-I/SP Microcontroller
The AVR128DB28-I/SP is a high-performance microcontroller unit (MCU) from Microchip Technology, designed to offer a perfect blend of power efficiency and processing capability. This MCU is a member of Microchip's AVR® DB family and is particularly suitable for a wide range of applications, including industrial control systems, automotive, consumer electronics, and IoT devices.
The AVR128DB28-I/SP is built on a modern, high-speed, low-power architecture with a rich set of peripherals and features that make it an ideal choice for designers looking to develop advanced and power-conscious applications. It operates at a voltage range of 1.8V to 5.5V, providing flexibility for various power supply designs and ensuring compatibility with both battery-powered and mains-connected applications.
This MCU comes with 128KB of in-system self-programmable flash memory, 16KB SRAM, and 512 Bytes of EEPROM, which provides ample space for complex application code and data storage. It also features a 20 MHz internal oscillator, a 32kHz Ultra Low Power internal oscillator, and supports external crystal oscillators up to 32MHz, offering precise timing options for various tasks.
With its 28-pin SPDIP (Plastic Dual Inline Package) form factor, the AVR128DB28-I/SP integrates seamlessly into a variety of PCB layouts. The device includes a rich set of peripherals, such as a 12-bit differential Analog-to-Digital Converter (ADC) with Programmable Gain Amplifier (PGA), a 10-bit Digital-to-Analog Converter (DAC), multiple communication interfaces including SPI, I2C, and USART, and a Configurable Custom Logic (CCL) unit for creating custom logic functions without additional components.
Furthermore, the AVR128DB28-I/SP offers advanced features like Event System, which allows peripherals to communicate directly with each other without involving the CPU, reducing power consumption and improving system response. It also supports Core Independent Peripherals (CIPs), which operate independently from the CPU, enabling designers to create applications with complex functions while maintaining low power operation.
Designed with robustness in mind, the AVR128DB28-I/SP includes integrated safety features such as Power-On Reset, Brown-Out Detection, and a Watchdog Timer to ensure reliable operation under varying conditions. Its versatile nature and comprehensive feature set make the AVR128DB28-I/SP a powerful and efficient solution for a multitude of embedded system applications.