
Chapter 6: Software Interface 6–49
Transport and Logical Layer Registers
August 2014 Altera Corporation RapidIO II MegaCore Function
User Guide
Loss of descrambler
synchronization
[14] RW
Loss of receiver descrambler synchronization while
receiving scrambled control symbol and packet data.
1'h0
RSRV
[13:6] RO Reserved. 7'h0
Non-outstanding ackID
[5] RW
Received a
link-response
control symbol with an ackID
that is not outstanding. Only triggers if at least one ackID
is outstanding.
1'h0
Protocol error
[4] RW Received an unexpected control symbol. 1'h0
RSRV
[3] RO Reserved for this implementation. 1'h0
Delineation error
[2] RW
Received an 8B10B code group that is invalid (has no
decode with the current running disparity), or illegal (valid
code group not allowed by the RapidIO protocol), or is in a
disallowed position in the received code-group stream.
In the first two cases, bit [16] is also set to the value of 1.
1'h0
Unsolicited ACK control
symbol
[1 RW
Received an unexpected packet acknowledgement control
symbol.
1'h0
Link timeout
[0] RW
Did not receive expected packet acknowledgement or
link-response
control symbol within the time-out
interval specified in the
VALUE
field of the
Port Link
Time-Out Control
CSR (Table 6–7 on page 6–8
)
or the
Port Response Time-Out Control
CSR (Table 6–8).
1'h0
Table 6–74. Port 0 Error Detect CSR—Offset: 0x340 (Part 2 of 2)
Field Bits Access Function Default
Table 6–75. Port 0 Error Rate Enable CSR—Offset: 0x344 (Part 1 of 2)
Field Bits Access Function Default
RSRV
[31] RO Reserved for this implementation. 1'h0
RSRV
[30:24] RO Reserved. 7'h0
RSRV
[23] RO
Reserved for this implementation. The RapidIO II IP core does not
support the Parallel RapidIO protocol.
1'h0
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