Special Character Received Message Format - Intel iSBC 546 Hardware Reference Manual

FIRMWARE
iSBC Controller to Host CPU Messages
B.3.2.2.8 SPECIAL CHARACTER RECEIVED.
The controllers return this
message in Signal Special Character Mode when a special character
is received, and the number of characters in the receive buffer of
the line exceeds the Signal Special Character high water mark.
Figure 5-34 shows the Special Character Received message.
Message Format
o
OSH
1
Line Number
2
Special Character
3
Reserved
. .
15
I
Reserved
NOTE
Reserved space
should be set to
00 (H) •
Line Number The serial channel on which the special
character is received.
Special Character The special character received.
Response None
Figure B-34. special Character Received Message Format
B-49