XC2VP70 Xilinx, Inc., XC2VP70 Datasheet - Page 11

• Manufacturer Part Number: XC2VP70
• Description: Virtex-ii Pro Field Programmable Gate Array
• Manufacturer: Xilinx, Inc.

Functional Description: RocketIO Multi-Gigabit Transceiver (MGT)
The serial bit rate need not be configured in the transceiver,
as the operating frequency is implied by the received data
and reference clock applied.
The RocketIO transceiver consists of the Physical Media
Attachment (PMA) and Physical Coding Sublayer (PCS).
The PMA contains the serializer and deserializer. The PCS
contains the bypassable 8B/10B encoder/ decoder, elastic
2
PACKAGE
AVCCAUXRX
AVCCAUXTX
GNDA
PINS
VTRX
VTTX
RXN
RXP
TXN
TXP
2.5V RX
Termination Supply RX
TX/RX GND
2.5V TX
Termination Supply TX
Deserializer
Serializer
Manager
Clock
Figure 2: RocketIO Transceiver Block Diagram
MULTI-GIGABIT TRANSCEIVER CORE
Power Down
Polarity
Output
Comma
Realign
Detect
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buffers, and Cyclic Redundancy Check (CRC) units. The
encoder and decoder handle the 8B/10B coding scheme.
The elastic buffers support the clock correction (rate match-
ing) and channel bonding features. The CRC units perform
CRC generation and checking.
Figure 2
transceiver and its FPGA interface signals.
FIFO
Decoder
8B/10B
TX
Channel Bonding
Clock Correction
shows a high-level block diagram of the RocketIO
Encoder
8B/10B
and
Check
Elastic
Buffer
CRC
RX
CRC
DS083-2 (v2.9) October 14, 2003
Advance Product Specification
BREFCLK
BREFCLK2
POWERDOWN
RXRECCLK
RXPOLARITY
RXREALIGN
RXCOMMADET
ENPCOMMAALIGN
ENMCOMMAALIGN
RXCHECKINGCRC
RXCRCERR
RXDATA[15:0]
RXDATA[31:16]
RXNOTINTABLE[3:0]
RXDISPERR[3:0]
RXCHARISK[3:0]
RXCHARISCOMMA[3:0]
RXRUNDISP[3:0]
RXBUFSTATUS[1:0]
ENCHANSYNC
CHBONDDONE
CHBONDI[3:0]
CHBONDO[3:0]
RXLOSSOFSYNC
RXCLKCORCNT
TXBUFERR
TXFORCECRCERR
TXDATA[15:0]
TXDATA[31:16]
TXBYPASS8B10B[3:0]
TXCHARISK[3:0]
TXCHARDISPMODE[3:0]
TXCHARDISPVAL[3:0]
TXKERR[3:0]
TXRUNDISP[3:0]
TXPOLARITY
TXINHIBIT
LOOPBACK[1:0]
TXRESET
RXRESET
REFCLK
REFCLK2
REFCLKSEL
RXUSRCLK
RXUSRCLK2
TXUSRCLK
TXUSRCLK2
FPGA FABRIC
DS083-2_04_090402
R