Rev D - 10/2016

AVR CPU Core:
- New section added, Accessing 16-bit Registers.
- Stack Pointer (SPL and SPH) register updated.
USART - Universal Synchronous Asynchronous Receiver Transceiver:
- Added UCSR0D.SFDE bit and corrected RXIE bit name to RXSIE.
- Updated presentation of the UBRR0L and UBRR0H registers.
TC0 - 16-bit Timer/Counter0 with PWM:
- Updated presentation of theTCNT0L and TCNT0H, OCR0AL and OCR0AH, and ICR0L and ICR0H registers.
ADC - Analog to Digital Converter:
- Updated the ADCL and ADCH registers (for both ADLAR=0 and 1).