
Publication GMLC-5.2 - November 1999
Understanding Discrete Data Transfers 781
Table 4: 1394 GMC Turbo Output Data from the SLC (maximum configuration, three 16-bit words)
Word Bit Description Definition
0
0/0 Program running This bit is set to 1 by the 1394 GMC Turbo while the GML Commander
application program is running. This bit cannot be accessed directly by the
application program.
0/1 Global fault The 1394 GMC Turbo sets this bit to 1 if a fault has occurred. This bit cannot
be accessed directly by the GML Commander application program.
0/2 Reserved N/A
0/3 Reserved N/A
0/4 Reserved N/A
0/5 M file handshake
enabled
When set to 1, this bit indicates that M files will be updated using manual
mode. When set to 0, this bit indicates that M files will be updated using
automatic mode.
0/6 M0 File update
acknowledge
This bit is set to 1 by the GML Commander application program to indicate
that an M0 file update has been acknowledged and in process. Bit 6 can be
written by the application program. The application program refers to this bit
as the system variable SLC_M0_Update_Acknowledge.
0/7 M1 file update
request
This bit is set to 1 by the GML Commander application program to request an
M1 file update. The 1394 GMC Turbo system software resets this bit to 0
when the update is complete. Bit 7 can be written by the application program.
The application program as the system variable SLC_M1_Update_Request.
0/8 –
0/15
User defined N/A
11/0 –
1/15
User defined N/A
22/0 –
2/15
User defined N/A
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