Altera Interlaken MegaCore Function - Manual (Page 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