Receiver Data Register Low Byte
Receiver Data Register High Byte
Transmit Data Register Low Byte
Transmit Data Register High Byte
USART Status Register
Control A
Control B
Control C - Asynchronous Mode
Control C - Master SPI Mode
Baud Register
Control D
Debug Control Register
IrDA Control Register
IRCOM Transmitter Pulse Length Control Register
IRCOM Receiver Pulse Length Control Register
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.