Altera Transceiver PHY IP Core - Manual (Page 147)

Name Value Description
Pre-emphasis pre-tap setting 0–7 Sets the amount of pre-emphasis on the
TX buffer. Available for Stratix IV.
Invert the pre-emphasis pre-tap
polarity setting
On
Off
Determines whether or not the pre-
emphasis control signal for the pre-tap is
inverted. If you turn this option on, the
pre-emphasis control signal is inverted.
Available for HardCopy IV and Stratix
IV devices.
Pre-emphasis first post-tap setting 0–15 Sets the amount of pre-emphasis for the
1st post-tap.
Pre-emphasis second post-tap
setting
0–7 Sets the amount of pre-emphasis for the
2nd post-tap. Available for HardCopy IV
and Stratix IV devices.
Invert the pre-emphasis second
post-tap polarity
On
Off
Determines whether or not the pre-
emphasis control signal for the second
post-tap is inverted. If you turn this
option on, the pre-emphasis control
signa is inverted. Available for
HardCopy IV and Stratix IV devices.
Receiver common mode voltage
Tri-state
0.82V
1.1v
Specifies the RX common mode voltage.
Receiver termination resistanc
OCT_85_OHMS
OCT_100_OHMS
OCT_120_OHMS
OCT_150_OHMS
Indicates the value of the termination
resistor for the receiver. Cyclone IV
supports 100 and 150.
Receiver DC gain 0–4 Sets the equalization DC gain using one
of the following settings:
• 0–0 dB
• 1–3 dB
• 2–6 dB
• 3–9 dB
• 4–12 dB
UG-01080
2015.01.19
XAUI PHY Analog Parameters for Arria II GX, Cyclone IV GX, HardCopy IV and Stratix
IV Devices
6-7
XAUI PHY IP Core Altera Corporation
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