
Altera Corporation B–9
January 2005 Stratix GX Transceiver User Guide
Parameter
Descriptions
Table B–3 describes the Stratix GX device parameters.
Table B–3. Parameter Descriptions (Part 1 of 6)
Parameter Type Required Comments
OPERATION_MODE
String Yes Specifies the operation of the transceiver block
transmitter PLL and transceiver block receiver PLL.
Values are
RX, TX, and DUPLEX. If the PROTOCOL
parameter is set to
XAUI, then you must set the
OPERATION_MODE parameter to DUPLEX.
LOOPBACK_MODE
String No Specifies the operation of the loopback. Values are
NONE, SLB, and PLB. If omitted, the default is NONE.
Values other than
NONE are available only when the
OPERATION_MODE parameter is set to DUPLEX.
REVERSE_LOOPBACK
_MODE
String No Specifies the operation of the reverse loopback.
Values are
NONE, and RSLB. If omitted, the default is
NONE. Values other than NONE are available only
when the
OPERATION_MODE parameter is set to
DUPLEX.
PROTOCOL
String Yes
Specifies the protocol. Values are
XAUI, SONET,
GigE, and Basic.
NUMBER_OF_CHANNELS
Integer Yes Specifies the number of transceiver block receiver or
transmitter channels. Values are
1 through 20.
NUMBER_OF_QUADS
Integer Yes Specifies the number of transceiver blocks.
CHANNEL_WIDTH
Integer Yes Specifies the width of the dataout signal from the
transceiver block receiver or transmitter channel atom.
Use the following settings:
For more information, see the table in the comments
for the
DATA_RATE parameter.
Setting of
PROTOCOL
Parameter
XAUI
SONET
GigE
Basic
anne
Values
16
8
and 16
8
8
, 10, 16, and
20
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