Altera Stratix GX Transceiver Manuel d'utilisateur Page 299

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Altera Corporation B–3
January 2005 Stratix GX Transceiver User Guide
rx_locktodata[]
No Control signal for
transceiver block
receiver PLL to lock
the received data.
Input port [NUMBER_OF_CHANNELS -
1..0] wide. The
rx_locktodata[] port
can overwrite the
rx_locktorefclk[]
port.
tx_in[]
Yes Transceiver block
transmitter channel
data input port.
Input port [CHANNEL_WIDTH *
NUMBER_OF_CHANNELS - 1..0] wide. If
you set the
USE_8B_10B_MODE
parameter to
OFF and the
USE_DOUBLE_DATA_MODE parameter is
set to
OFF, the deserialization factor is
CHANNEL_WIDTH.
If you set the
USE_8B_10B_MODE
parameter to
OFF and the
USE_DOUBLE_DATA_MODE parameter is
set to
ON, the deserialization factor is
CHANNEL_WIDTH / 2.
If you set the
USE_8B_10B_MODE
parameter to
ON, the deserialization factor
is 10.
tx_ctrlenable[]
No Control character
enable. Enables the
8B/10B encoder to
identify control
characters. Labels
an input character
as a control code.
Input port [NUMBER_OF_CHANNELS *
DWIDTH_FACTOR - 1..0] wide. If
tx_ctrlenable[] port is high, the sent
word is a control character.
tx_srlpbk[]
No Reverse serial
loopback input.
Dynamically
enables reverse
serial loopback from
the
rx_in[] port
to the
tx_out[]
port
Input port [NUMBER_OF_CHANNELS -
1..0] wide.
Table B–1. Input Ports (Part 3 of 4)
Port Name Required Description Comments
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