Virtex-5 RocketIO GTP Transceiver User Guide
261
UG196 (v1.3) May 25, 2007
Primary Differences
R
Flexibility
In Virtex-II Pro devices, changing of attributes requires partial reconfiguration. Virtex-4
and Virtex-5 devices allow all attribute changes from the DRP, and any default values can
be set in the HDL itself.
Board Guidelines
Power Supply Filtering
The Virtex-5 GTP transceivers simplify power supply design over previous generations in
two ways:
1.
Only two supply voltages are needed to power the transceivers.
2.
Because the two transceivers that share a tile have common power pins, the number of
power supply filtering components is reduced.
shows the power pin voltages for all Virtex families, and
shows the
power supply filtering for all Virtex families.
Table A-7:
Power Pin Voltages
Pin
Virtex-II Pro MGT
Virtex-4 MGT
Virtex-5 GTP Transceiver
(1)
AVCCAUXRX
2.5V
1.2V
-
AVCCAUXTX
2.5V
1.2V
-
AVCCAUXMGT
N/A
2.5V
-
VTTX
1.8 - 2.5V
(2)
1.5V
-
VTRX
1.5 - 2.5V
(2)
0.25 - 2.5V
(2)
-
MGTAVCCPLL
-
-
1.2V
MGTAVCC
-
-
1.0V
MGTAVTTTX
-
-
1.2V
MGTAVTTRX
-
-
1.2V
MGTAVTTRXC
-
-
1.2V
Notes:
1. Nominal values. Refer to the device data sheets for values and operating conditions.
2. Depends on AC/DC coupling or termination options. See the device user guides for more details.
Содержание Virtex-5 RocketIO GTP
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Страница 88: ...88 www xilinx com Virtex 5 RocketIO GTP Transceiver User Guide UG196 v1 3 May 25 2007 Chapter 5 Tile Features R...
Страница 122: ...122 www xilinx com Virtex 5 RocketIO GTP Transceiver User Guide UG196 v1 3 May 25 2007 Chapter 6 GTP Transmitter TX R...
Страница 186: ...186 www xilinx com Virtex 5 RocketIO GTP Transceiver User Guide UG196 v1 3 May 25 2007 Chapter 7 GTP Receiver RX R...
Страница 200: ...200 www xilinx com Virtex 5 RocketIO GTP Transceiver User Guide UG196 v1 3 May 25 2007 Chapter 9 Loopback R...
Страница 222: ...222 www xilinx com Virtex 5 RocketIO GTP Transceiver User Guide UG196 v1 3 May 25 2007 Section 2 Board Level Design R...
Страница 256: ...256 www xilinx com Virtex 5 RocketIO GTP Transceiver User Guide UG196 v1 3 May 25 2007 Section 3 Appendices R...
Страница 312: ...312 www xilinx com Virtex 5 RocketIO GTP Transceiver User Guide UG196 v1 3 May 25 2007 Appendix E Low Latency Design R...