Altera Stratix GX Transceiver Manuel d'utilisateur Page 308

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B–12 Altera Corporation
Stratix GX Transceiver User Guide January 2005
Parameter Descriptions
SELF_TEST_MODE
Integer No
Indicates which self test mode to use. Values are
0, 1,
2, 3, or 4. If omitted, the default is 0. This parameter is
ignored if the
USE_SELF_TEST_MODE parameter is
turned off. Use the following settings:
USE_EQUALIZER_
CTRL_SIGNAL
String No Specifies whether to use the equalizer control signal.
Values are
ON and OFF. If omitted, the default is OFF.
EQUALIZER_CTRL_
SETTING
Integer No Specifies the magnitude of the equalizer control
settings. Refer to the Quartus
®
II help menu for more
information regarding the variable values. This
parameter should be specified if the
USE_EQUALIZER_CTRL_SIGNAL parameter is
turned off.
SIGNAL_LOSS_
THRESHOLD_SELECT
Integer No Specifies the signal loss threshold. Refer to the
Quartus II software Help menu for more information
about the variable values.
PLL_BANDWIDTH_TYPE
String No Specifies the transceiver block receiver PLL or the
transceiver block transmitter bandwidth type. Values
are
LOW and HIGH. If omitted, the default is HIGH.
RX_BANDWIDTH_TYPE
String No Specifies the transceiver block receiver PLL bandwidth
type. Values are
LOW and HIGH. If omitted, the default
is
HIGH.
PLL_ENABLE_DC_
COUPLING
String No Specifies whether to enable DC coupling on the
transceiver block transmitter PLL clock input. Values
are
ON and OFF. If omitted, the default is OFF.
RX_ENABLE_DC_
COUPLING
String No Specifies whether to enable DC coupling on the
transceiver block receiver PLL data input. Values are
ON and OFF. If omitted, the default is OFF.
USE_VOD_CTRL_SIGNAL
String No Specifies whether the VOD control signal is used. If
this parameter is turned on, the
tx_vodctrl port is
used and the
VOD_CTRL_SETTING parameter is
ignored. Values are
ON and OFF. If omitted, the default
is
OFF.
Table B–3. Parameter Descriptions (Part 4 of 6)
Parameter Type Required Comments
Value
0
1
2
3
4
T
est
PRBS
00-FF, followed by 5
K28.5+ and repeat
High frequency pattern,
repeat of D21.5- D21.5+
Low frequency pattern,
repeat of K28.7- K28.7+
Mixed frequency pattern,
repeat of K28.5- K28.5+
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