Request register
Field ABRRQ writer - Auto baud rate request
ABRRQ
Field MMRQ writer - Mute mode request
MMRQ
Field RXFRQ writer - Receive data flush request
RXFRQ
Field SBKRQ writer - Send break request
SBKRQ
Field TXFRQ writer - Transmit data flush request
TXFRQ
Register RQR writer
RQR