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18–12 Chapter 18: Analog Parameters Set Using QSF Assignments
Analog Settings for Cyclone 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_RX_SD_ENABLE
Receiver Signal Detection
Unit Enable/Disable
Enables or disables the receiver signal
detection unit. During normal
operation
NORMAL_SD_ON=false
,
otherwise
POWER_DOWN_SD=true
.For
the PCIe PIPE PHY. Changing from the
default value for any other protocol
results in a Quartus II compilation
error.
TRUE
FALSE
Pin -
RX serial
data
XCVR_RX_SD_THRESHOLD
Receiver Signal Detection
Voltage Threshold
Specifies signal detection voltage
threshold level. The following
encodings are defined:
SDLV_50MV=7
SDLV_45MV=6
SDLV_40MV=5
SDLV_35MV=4
SDLV_30MV=3
SDLV_25MV=2
SDLV_20MV=1
SDLV_15MV=0
For the PCIe PIPE PHY. Changing from
the default value for any other protocol
results in a Quartus II compilation
error.
0–7
3
Pin -
RX serial
data
XCVR_TX_PRE_EMP_1ST_POST_
TAP
Transmitter Preemphasis
First Post-Tap
Specifies the first post-tap setting
value.
0 –31
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
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 are controlled by other
assignments. such as
XCVR_TX_PRE_EMP_1ST_POST_TAP
.
DYNAMIC_CTL
RAM_CTL
Pin -
TX serial
data
Table 18–6. Transceiver and PLL Assignments for Cyclone V Devices (Part 2 of 2)
QSF Assignment Name
Pin Planner and
Assignment Editor
Name
Description Options Assign To
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