Virtex-4 Family Overview
DS112 (v3.1) August 30, 2010
Product Specification
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SelectIO Technology
Up to 960 user I/Os
Wide selections of I/O standards from 1.5V to 3.3V
Extremely high-performance
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600 Mb/s HSTL & SSTL (on all single-ended I/O)
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1 Gb/s LVDS (on all differential I/O pairs)
True differential termination
Selected low-capacitance I/Os for improved signal
integrity
Same edge capture at input and output I/Os
Memory interface support for DDR and DDR-2
SDRAM, QDR-II, and RLDRAM-II.
ChipSync Technology
Integrated with SelectIO technology to simplify
source-synchronous interfaces
Per-bit deskew capability built in all I/O blocks (variable
input delay line)
Dedicated I/O and regional clocking resources (pin and
trees)
Built in data serializer/deserializer logic in all I/O and
clock dividers
Memory/Networking/Telecommunication interfaces up
to 1 Gb/s+ DDR
Digitally Controlled Impedance (DCI)
Active I/O Termination
Optional series or parallel termination
Temperature compensation
Configuration
256-bit AES bitstream decryption provides intellectual
property (IP) security
Improved bitstream error detection/correction capability
Fast SelectMAP configuration
JTAG support
Readback capability
90 nm Copper CMOS Process
1.2V Core Voltage
Flip-Chip Packaging
Pb-Free packages available with production devices.
System Blocks Specific to the Virtex-4 FX Family
RocketIO Multi-Gigabit Transceiver (MGT)
Full-duplex serial transceiver (MGT) capable of
622 Mb/s to 6.5 Gb/s baud rates
8B/10B, 64B/66B, user-defined FPGA logic, or no data
encoding/decoding
Channel bonding support
CRC generation and checking
Programmable TX pre-emphasis or pre-equalization
Programmable RX continuous time equalization
Programmable RX decision feedback equalization
On-chip RX AC coupling
RX signal detect and loss of signal indicator
TX driver electrical idle mode
User dynamic reconfiguration using secondary
configuration bus
PowerPC 405 Processor RISC Core
Embedded PowerPC 405 processor (PPC405) core
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Up to 450 MHz operation
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Five-stage data path pipeline
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16 KB instruction cache
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16 KB data cache
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Enhanced instruction and data on-chip memory
(OCM) controllers
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Additional frequency ratio options between
PPC405 and Processor Local Bus
Auxiliary Processor Unit (APU) Interface for direct
connection from PPC405 to coprocessors in fabric
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APU can run at different clock rates
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Supports autonomous instructions: no pipeline stalls
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32-bit instruction and 64-bit data
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4-cycle cache line transfer
Tri-Mode Ethernet Media Access Controller
IEEE 802.3 compliant
Operates at 10, 100, and 1,000 Mb/s
Supports tri-mode auto-detect
Receive address filter
Fully monolithic 1000Base-X solution with RocketIO
MGT
Implements SGMII through RocketIO MGT to external
PHY device
Supports multiple PHY (MII, GMII, etc.) interfaces
through an I/O resource
Receive and transmit statistics available through
separate interfaces
Separate host and client interfaces
Support for jumbo frames
Flexible, user-configurable host interface