
XR68C681
/1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Miscellaneous Commands
Enable / Disable
Transmitter
Enable / Disable
Receiver
! ( Section B.2
J 8 -
J 2!
J (% !
J 8 ;($
8 %
J 8 -
J 2!
J (% !
J 8 ;($
8 %
Table 23. Command Registers: CRA, CRB
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Received
Break
Framing
Error
Parity Error
Overrun
Error
TXEMT
TXRDY
FFULL
RXRDY
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
Table 24. Status Registers: SRA, SRB
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
OP7
OP6
OP5
OP4
OP3
OP2
J,M@N
J5E*
J,M/N