DS083 Datasheet, PDF (28/430 Pages) Xilinx, Inc – Summary of Features

R
Virtex-II Pro and Virtex-II Pro X Platform FPGAs: Functional Description
RocketIO and RocketIO X Feature Comparison
Table 7 summarizes the major differences between the RocketIO and RocketIO X MGTs. The RocketIO X Transceiver
User Guide has more details, including a design migration guide in the Appendix.
Table 7: RocketIO PMA versus RocketIO X PMA
RocketIO X Transceiver
RocketIO Transceiver
PCS Features:
FPGA interface
1, 2, 4, and 8 byte width
1, 2, and 4 byte width
Coding support
8B/10B and 64B/66B bypassable
8B/10B bypassable
Gearbox/scrambler support
Yes
N/A
CRC Support
No
Yes
Half rate
No
Yes
PMA Features:
Baud rate
2.488 Gb/s - 6.25 Gb/s⁽²⁾
622 Mb/s - 3.125 Gb/s
Reference clock frequency tolerance
350 PPM
100 PPM
Reference clock multiplier
x16, x20, x32, x40
x20
Max run length
75
75
Receive equalization
Built-in analog linear, programmable
None
Output swing (differential p-p)
200 mV to 1600 mV, programmable 800 mV to 1600 mV, programmable
Pre-emphasis
0% to 500%, programmable
4 selectable levels from 10% to 33%
Slew rate control
2 selectable levels
None
Termination
On-chip internal, 50Ω
On-chip internal, 50Ω/75Ω selectable
AC coupling capacitor
On-chip internal.
Can be AC- or DC-coupled externally
None
Transmit supply voltage (AVCCAUXTX)
Receive supply voltage (AVCCAUXRX)
2.5V
1.5V, 1.8V⁽¹⁾
2.5V
2.5V
PMA configuration support
Direct, dynamic, and
partial configuration
Partial configuration
Others:
JTAG support
Input only
None
Process technology
0.13 µm
0.25 µm
Available packages
Flip-chip only
Flip-chip and wire-bond
Notes:
1. AVCCAUXRX for RocketIO X MGT is 1.5V (nominal) for 8B/10B-encoded data. For all other encoding protocols, AVCCAUXRX is
1.8V (nominal).
2. The XC2VPX70 operates at a fixed 4.25 Gb/s baud rate.
DS083 (v4.7) November 5, 2007
Product Specification
www.xilinx.com
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