
18–18 Chapter 18: Analog Parameters Set Using QSF Assignments
Analog Settings for Stratix V Devices
Altera Transceiver PHY IP Core November 2012 Altera Corporation
User Guide
h For more information about the Pin Planner, refer to About the Pin Planner in
Quartus II Help. For more information about the Assignment Editor, refer to About
the Assignment Editor in Quartus II Help.
For more information about Quartus II Settings, refer to Quartus II Settings File
Manual.
XCVR_TX_PRE_EMP_2ND_
POST_TAP
Transmitter Preemphasis
Second Post-Tap
Specifies the second post-tap setting
value.
0–15
Pin -
TX serial
data
XCVR_TX_PRE_EMP_INV_
2ND_TAP
Transmitter Preemphasis
Second Tap Invert
Inverts the transmitter pre-emphasis
2nd post tap.
TRUE
FALSE
Pin - TX
serial data
XCVR_TX_PRE_EMP_INV_
PRE_TAP
Transmitter Preemphasis
Pre Tap Invert
Inverts the transmitter pre-emphasis
pre-tap.
TRUE
FALSE
Pin -
TX serial
data
XCVR_TX_PRE_EMP_PRE_TAP
Transmitter Preemphasis
Pre-Tap
Specifies the pre-tap pre-emphasis
setting.
0 –15
Pin -
TX serial
data
XCVR_TX_RX_DET_ENABLE
Transmitter's Receiver
Detect Block Enable
Enables or disables the receiver
detector circuit at the transmitter.
TRUE
FALSE
Pin -
TX serial
data
XCVR_TX_RX_DET_MODE
Transmitter's Receiver
Detect Block Mode
Sets the mode for receiver detect block 0–15
Pin -
TX serial
data
XCVR_TX_RX_DET_OUTPUT_SEL
Transmitter's Receiver
Detect Block QPI/PCI
Express Control
Determines QPI or PCI Express mode
for the Receiver Detect block.
RX_DET_QPI_
OUT
RX_DET_PCIE_
OUT
Pin -
TX serial
data
XCVR_TX_VOD
Transmitter Differential
Output Voltage
Differential output voltage setting. The
values are monotonically increasing
with the driver main tap current
strength.
0–63
50
Pin -
TX serial
data
XCVR_TX_VOD_PRE_EMP_
CTRL_SRC
Transmitter
V
OD
/Preemphasis Control
Source
When set to
DYNAMIC_CTL
, the PCS
block controls the V
OD
and
preemphasis coefficients for PCI
Express. When this assignment is set
to
RAM_CTL
the V
OD
and preemphasis
are controlled by other assignments,
such as
XCVR_TX_PRE_EMP_1ST_POST_TAP
.
DYNAMIC_CTL
RAM_CTL
Pin -
TX serial
data
Table 18–8. Transceiver and PLL Assignments for Stratix V Devices (Part 5 of 5)
QSF Assignment Name
Pin Planner and
Assignment Editor
Name
Description Options Assign To
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