Altera Stratix GX Transceiver - Manual (Page 307)

Altera Corporation B–11
January 2005 Stratix GX Transceiver User Guide
RUN_LENGTH Integer No Specifies the maximum run length supported for the
incoming data signal. This parameter is ignored if the
RUN_LENGTH_ENABLE parameter is turned off. If the
deserialization factor is 8 , legal values are 4 – 128 , in
multiples of four. If the deserialization factor is 10, legal
values are
5 – 160 , in multiples of five. If omitted, the
default is 0 .
RUN_LENGTH_ENABLE String No Specifies whether to use run length detection. Values
are
ON and OFF . If omitted, the default is OFF .
USE_CHANNEL_ALIGN String No Specifies whether to use the channel aligner and
enable the deskew system. The
USE_CHANNEL_ALIGN parameter can only be used
when the PROTOCOL parameter is set to XAUI . Values
are ON and OFF . If omitted, the default is OFF .
USE_AUTO_BIT_SLIP String No Specifies whether to use internal bit slipping circuitry. If
you enable this parameter, the bitslip transceiver block
receiver channel is ignored, and an internal register
controls the byte alignment functions. If this parameter
is turned off, the bit slipping operation is controlled by
the
rx_bitslip[] signal. Values are ON and OFF .
If omitted, the default is OFF .
USE_SYMBOL_ALIGN String No Specifies whether to use the word aligner. Values are
ON and OFF . If omitted, the default is ON .
ALIGN_PATTERN String No Specifies the pattern of 7, 10, or 16 bits used by the
word aligner for the
USE_SYMBOL_ALIGN parameter.
If the USE_SYMBOL_ALIGN parameter is turned off,
this parameter is ignored. If the PROTOCOL parameter
is set to XAUI or GigE , the only legal pattern is
0101111100.
ALIGN_PATTERN_LENGTH Integer No Specifies the length of the ALIGN_PATTERN
parameter. Values are 7 , 10 , or 16 . If omitted, the
default is 0 .
CLK_OUT_MODE_
REFERENCE
String No Specifies whether to use the clock that operates the
post rate matching FIFO module of the transceiver
block receiver channel. This parameter is ignored if the
USE_RATE_MATCH_FIFO parameter is turned off.
Values are ON and OFF . If omitted, the default is OFF .
USE_SELF_TEST_MODE String No Indicates whether to use the built-in self test mode.
Values are
ON and OFF . If omitted, the default is OFF .
Table B–3. Parameter Descriptions (Part 3 of 6)
Parameter Type Required Comments