Offset: $018 Access: read Chipset: OCS/ECS/AGA
Reads serial receive data and transmit/receive status.
Bitfields¶
Bit 15: OVRUN, receive overrun.
Bit 14: RBF, receive buffer full.
Bit 13: TBE, transmit buffer empty.
Bit 12: TSRE, transmit shift register empty.
Bit 11: RXD, synchronized receive-pin level.
Bits 9-0: Received data and stop bits.
Acknowledge RBF through INTREQ; reading this register does not clear it.