Altera Stratix GX Transceiver Manuel d'utilisateur Page 300

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B–4 Altera Corporation
Stratix GX Transceiver User Guide January 2005
Input Ports
tx_vodctrl[]
No 3-bit control signal
that dynamically
specifies the
Voltage Output
Differential (VOD)
control settings.
Input port [NUMBER_OF_CHANNELS * 3 -
1..0] wide. Use the following settings:
tx_preemphasisctrl[]
No 3-bit control signal
that dynamically
specifies the pre-
emphasis settings.
Input port [NUMBER_OF_CHANNELS * 3 -
1..0] wide. Use the following settings:
txdigitalreset[]
No Sends a reset signal
to the digital portion
of the transmitter.
Input port [NUMBER_OF_QUADS * 4 -
1..0] wide.
rxdigitalreset[]
No Sends a reset signal
to the digital portion
of the receiver.
Input port [NUMBER_OF_QUADS * 4 -
1..0] wide.
rxanalogreset[]
No Sends a power
down signal to the
analog portion of the
receiver.
Input port [NUMBER_OF_QUADS * 4 -
1..0] wide.
pllenable[]
No Sends an enable
signal to the
transceiver block
transmitter PLL.
Input port [NUMBER_OF_QUADS - 1..0]
wide.
pll_areset[]
No Sends a power
down signal to the
transceiver block
transmitter PLL.
Input port [NUMBER_OF_QUADS - 1..0]
wide.
Table B–1. Input Ports (Part 4 of 4)
Port Name Required Description Comments
Incoming Signal
000
001
010
011
100
101
110
111
VOD Control
Setting
400 mV
800 mV
1,000 mV
1,200 mV
1,400 mV
1,600 mV
1,600 mV
1,600 mV
Incoming
Signal
000
001
010
011
100
101
110
111
Pre-emphasis
Setting
0
1
2
3
4
5
5
5
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