Datasheet

Signal Description
R
Datasheet 35
2.3.3 AGP Status Signals
Table 7. AGP Status Signal Descriptions
Signal Name Type Description
Status: Provides information from the arbiter to an AGP Master on what it
may do. ST[2:0] only have meaning to the master when its GNT# is
asserted. When GNT# is deasserted these signals have no meaning and
must be ignored.
ST[2:0] Meaning
000 Previously requested low priority read data is being returned to
the master
001 Previously requested high priority read data is being returned
to the master
010 The master is to provide low priority write data for a previously
queued write command
011 The master is to provide high priority write data for a previously
queued write command.
100 Reserved
101 Reserved
110 Reserved
GST[2:0] O
AGP
111 The master has been given permission to start a bus
transaction. The master may queue AGP requests by asserting
PIPE# or start a PCI transaction by asserting FRAME#.