ATMEGA328PB-AU

The ATMEGA328PB-AU is an 8-bit microcontroller from Microchip’s AVR family. It is widely used in embedded systems for its versatility and performance. Here are its key features:

1. Core:
   • 8-bit AVR RISC microcontroller with a 32 MHz clock speed.
2. Memory:
   • Flash Memory: 32 KB for program storage.
   • SRAM: 2 KB for data storage.
   • EEPROM: 1 KB for non-volatile data storage.
3. I/O:
   • Digital I/O: 23 general-purpose I/O pins.
   • Analog Input: 6-channel 10-bit ADC (Analog-to-Digital Converter).
4. Timers:
   • 3 Timers: 2 8-bit timers and 1 16-bit timer for precise timing and event generation.
5. Communication Interfaces:
   • USART: Universal Synchronous and Asynchronous Serial Receiver and Transmitter.
   • SPI: Serial Peripheral Interface.
   • I2C: Inter-Integrated Circuit (also known as TWI in AVR terminology).
6. Power Management:
   • Low Power Modes: Various sleep modes to extend battery life in portable applications.
7. Package:
   • Available in a 32-pin TQFP (Thin Quad Flat Package), which is compact and suitable for space-constrained applications.
8. Operating Voltage:
   • Operates from 1.8V to 5.5V, providing flexibility for different power supply levels.
9. Additional Features:
   • Internal Oscillator: 8 MHz internal oscillator for clock generation.
   • Watchdog Timer: Integrated watchdog timer to reset the microcontroller in case of software malfunctions.
   • Brown-Out Detection: Ensures the microcontroller operates only within a safe voltage range.
10. Applications:
    • Ideal for a range of embedded systems including consumer electronics, automotive applications, and industrial control systems.

The ATMEGA328PB-AU provides a robust set of features with ample memory, versatile I/O options, and low power consumption, making it a popular choice for a wide variety of embedded applications.