Altera SerialLite II Protocol - Manual (Page 22)

22 Altera Corporation
SerialLite II Protocol Reference Manual
Physical Layer Description
Start of Data Packet /SDP/
The start of data packet symbol identifies the start of a regular user data
packet.
Start of Priority Packet /SPP/
The start of priority packet symbol identifies the start of a high-priority
user data packet.
Continuation of Data Packet /CDP/
The continuation of data packet symbol identifies the continuation of a
regular user data packet.
Continuation of Priority Packet /CPP/
The continuation of priority packet symbol identifies the continuation of
a high-priority user data packet.
Suspend User Packet /SUP/
The suspend user packet symbol identifies the termination of the burst to
allow for the potential switch of channel number of regular user data
packet.
End of Good Packet /EGP/
The end of good packet symbol identifies the end of a user packet that
was transmitted without errors.
End of Bad Packet /EBP/
The end of bad packet symbol identifies the end of a user packet whose
data is known by the transmitter to be unreliable.
Start of Link Management Packet/SLP/
The start of link management packet symbol identifies a link
management packet.
Control Sequences
The SerialLite II protocol defines a number of control sequences. These
are sequences of code-groups used to mark the beginning and end of a
burst or packets.