Medium Access Control (MAC) and Physical Layer (PHY) - CISE

4-June-07 P1901_PRO_016_r0
In Figure 75 we can see the entire packet format:
TPID
0xAA
0xAA
0x03
0x00
0x13
0x9D
0x03
0x01
Slave MAC
Dest MAC Src MAC Payload
TCI
Submission page 198 UPA-OPERA
Length
Figure 75 Access protocol packet
Master MAC
The packet is sent using the broadcast port (127). The value of the packet fields shall be:
• Dest MAC is set 0x0180C2000000.
• Src MAC is set to the master MAC address.
• Slave MAC is set to the slave MAC address
• Master MAC is set to the master MAC address
• The Info field is 1 byte and can have the following values:
o REJECT: 0x00
o ACCEPT: 0x01
o FAILED: 0x02
9.1.3.2 Timing diagrams
In the following timeline diagrams we will show the sequence of messages that can be produced in access protocol
between master and slave and the messages sent.
We will divide this section in different cases that can occur.
Case 01: Master accepts Slave
Info