Altera Interlaken MegaCore Function Manual do Utilizador descarregar pdf (Página 51)

Chapter 4: Functional Description 4–25

Out-of-Band Flow Control Block

June 2012 Altera Corporation Interlaken MegaCore Function

User Guide

TX Out-of-Band Flow Control Block

The TX out-of-band flow control block can receive link status, lane status, and

calendar bits from the application, and transmit them on the TX out-of-band flow

control interface to a downstream RX out-of-band flow control block associated with

the Interlaken link partner.

Out-of-Band Flow Control Block Signals

Figure 4–20 shows the out-of-band flow control block.

For clock constraints and comprehensive information about the signals of this block,

refer to “Out-of-Band Flow Control Interface Signals” on page 5–8.

Figure 4–20. Out-of-Band Flow Control Block

TX Out-of-Band

Flow Control

RX Out-of-Band

Flow Control

Calendar and

lane, link status

rx_oob_in_fc_clk,

rx_oob_in_fc_sync,

rx_oob_in_fc_data

tx_oob_out_clk,

tx_oob_out_sync,

tx_oob_out_data

Out-of-Band Flow Control Block

Out-of-Band

Flow Control

Interface

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Altera Interlaken MegaCore Function Manual do Utilizador Página 51