Contents

Introduction Features Pin Functionality Difference Additional Pin Functionalities Alternate Pin Configuration Enhancement and Additional Features in ATmega324PB PTC - Peripheral Touch Controller PTC Functional Description CFD - Clock Failure Detection Mechanism OCM1C2 - Output Compare Modulator USART Analog Comparator Unique Device ID Additional SPI Additional TWI Additional Timer/Counters Updated Features Full Swing Oscillator NVM Signature Register Description PINE – Port E Input Pins Address DDRE – Port E Data Direction Register PORTE – Port E Data Register XFDCSR – XOSC Failure Detection Control and Status Register UCSRD – USART Control and Status Register D ACSRB – Analog Comparator Control and Status Register Serial Number Byte 8 to 0 Revision History Legal Disclaimer