Datasheet

4–2
4.1.1.2 Quadlet Read-Response and Write Response Packets
The format for a quadlet read-response packet is shown in Figure 4–3. The first quadlet contains the packet
control information. The first 16 bits of the second quadlet is the destination identifier, which is the address
of the destination or requesting node. The second quadlet also contains the response code of this
transaction. The third quadlet is reserved. The fourth quadlet is the quadlet data used. The format for a
quadlet write-response packet is shown in Figure 4–4.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
spd tLabel rt tCode priority
destinationID
reserved
RESERVED
rCode
quadlet data
Reserved
Figure 4–3. Quadlet-Transmit Format (Read Response)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
spd tLabel rt tCode priority
destinationID
reserved
RESERVED
rCode
Reserved
Figure 4–4. Quadlet-Transmit Format (Write Response)