Altera Transceiver PHY IP Core User Manual
Page 324
PCS-PMA Width
8-Bit
10-Bit
16-Bit
20-Bit
PRBS-10
X
PRBS 15
X
X
X
X
PRBS 23
X
X
X
PRBS 31
X
X
X
X
Unlike the 10G PRBS verifier, the Standard PRBS verifier uses the Standard PCS word aligner. You must
specify the word aligner size and pattern. The following table lists the encodings for the available choices.
Table 12-21: Word Aligner Size and Word Aligner Pattern
PCS-PMA Width
PRBS Patterns
PRBS Pattern Select
Word Aligner Size
Word Aligner Pattern
8-bit
PRBS 7
3’b010
3’b001
0x0000003040
PRBS 8
3’b000
3’b001
0x000000FF5A
PRBS 23
3’b100
3’b001
0x0000003040
PRBS 15
3’b101
3’b001
0x0000007FFF
PRBS 31
3’b110
3’b001
0x000000FFFF
10-bit
PRBS 10
3’b000
3’b010
0x00000003FF
PRBS 15
3’b101
3’b000
0x0000000000
PRBS 31
3’b110
3’b010
0x00000003FF
16-bit
PRBS 7
3’b000
3’b010
0x0000003040
PRBS 23
3’b001
3’b101
0x00007FFFFF
PRBS 15
3’b101
3’b011
0x0000007FFF
PRBS 31
3’b110
3’b011
0x000000FFFF
12-26
Standard PCS Pattern Generators
UG-01080
2015.01.19
Altera Corporation
Stratix V Transceiver Native PHY IP Core