Register Description
UDR
USART I/O Data Register n
UCSRA
USART Control and Status Register n A
UCSRB
USART Control and Status Register n B
UCSRC
USART Control and Status Register n C
UBRR
USART Baud Rate n Register Low and High byte
Parent topic:
USART - Universal Synchronous Asynchronous Receiver Transceiver