
Signal Name Direction Width
(Bits)
Description
calendar Output 16 Calendar bits received from an upstream out-of-band
TX block on fc_data.
calendar_update Output 1 Indicates a new value without CRC4 errors is present on
calendar in the current sys_clk cycle. The value is
ready to be read by the application logic.
calendar_error Output 1 Indicates corrupt calendar bits. A new value is present
calendar in the current sys_clk cycle, but the value has
at least one CRC4 error.
Related Information
Interlaken Protocol Specification, Revision 1.2
UG-01128
2015.05.04
RX Out-of-Band Flow Control Signals
10-5
Out-of-Band Flow Control in the 100G Interlaken MegaCore Function
Altera Corporation
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