CD1284 Datasheet, PDF (65/176 Pages) Intel Corporation – IEEE 1284-Compatible Parallel Interface Controller with Two High-Speed Asynchronous Serial Ports

IEEE 1284-Compatible Parallel Interface Controller — CD1284
Figure 9. CD1284 Receive Character Processing (Continued)
A
B
XOFF
Y
CHARACTER
?
N
XON
Y
CHARACTER
?
TOGGLE FLOW
STATE
N
SET FLOW
OFF
XON
Y
CHARACTER
?
CLEAR FLOW
OFF
N
IMPLIED Y _{CLEAR FLOW}
XON MODE
OFF
?
N
SCHR34 ^Y
ENABLED
?
N
Y
CHARACTER
MATCH
?
N
FLOW
CONTROL
Y
TRANSPARENCY
SET
?
N
DONE
SCR
Y
ENABLED
?
N
CHARACTER ^Y
IN RANGE
?
SET SPECIAL
N
CHARACTER
EXCEPTION
DONE
C
D
E
Datasheet
65