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FIRMWARE
Host CPU to iSBC Controller Messages
B.3.2.1.17
SET BREAK.
This command is used to force the
transmission of continuous zeros (i.e. hold the line in a
continuous spacing condition) on a serial channel. This command is
ignored if a transmission is in progress on the line. Once a set
Break command is issued, it must be followed by a Clear Break
command before any transmit Buffer commands are issued on the
particular line.
Figure B-22 shows the set Break message format.
Message Format
o
1
2
llH
Line Number
Reserved
NOTE
Reserved space
should be set to
00 (H) •
15
I
Reserved
Line Number
Response
The serial channel on which break is
transmitted.
None
Figure B-22.
Set Break Message Format
B-33
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