Flex Interface Signaling for 50G FEC-Only Operation - 2.5 English - PG369

Versal Adaptive SoC 600G Channelized Multirate Ethernet Subsystem (DCMAC) LogiCORE IP Product Guide (PG369)
Document ID
PG369
Release Date
2025-02-12
Version
2.5 English

FLEX I/F 50G FEC-only operation uses a 2 x 80-bit data bus. Up to 12 50G ports can be active.

Table 1. 12 x 50G FEC-Only Signaling for Flex Interface
Port Interface Function Signaling
0 RX FLEX I/F enable for both 50G FEC A and B rx_flex_ena_0
FEC A codeword start at data[0] rx_flex_start_0
FEC B codeword start at data[160] rx_flex_startb_0
FEC A dout flags for data[159:0] rx_flex_fec_rx_dout_flags_0[3:0]
FEC B dout flags for data[319:160] rx_flex_fec_rx_dout_flagsb_0[3:0]
FEC A data[159:0] rx_flex_data_0[159:0]
FEC B data[159:0] rx_flex_data_0[319:160]
TX FLEX I/F enable for both 50G FEC A and B tx_flex_ena_0
FEC A codeword start at data[0] tx_flex_start_0
FEC B codeword start at data[0] tx_flex_startb_0
stall for both 50G FEC A and B tx_flex_stall_0
FEC A data[159:0] tx_flex_data_0[159:0]
FEC B data[159:0] tx_flex_data_0[319:160]
1 RX FLEX I/F enable for both 50G FEC A and B rx_flex_ena_1
FEC A codeword start at data[0] rx_flex_start_1
FEC B codeword start at data[160] rx_flex_startb_1
FEC A dout flags for data[159:0] rx_flex_fec_rx_dout_flags_1[3:0]
FEC B dout flags for data[319:160] rx_flex_fec_rx_dout_flagsb_1[3:0]
FEC A data[159:0] rx_flex_data_1[159:0]
FEC B data[159:0] rx_flex_data_1[319:160]
TX FLEX I/F enable for both 50G FEC A and B tx_flex_ena_1
FEC A codeword start at data[0] tx_flex_start_1
FEC B codeword start at data[0] tx_flex_startb_1
stall for both 50G FEC A and B tx_flex_stall_1
FEC A data[159:0] tx_flex_data_1[159:0]
FEC B data[159:0] tx_flex_data_1[319:160]
2 RX FLEX I/F enable for both 50G FEC A and B rx_flex_ena_2
FEC A codeword start at data[0] rx_flex_start_2
FEC B codeword start at data[160] rx_flex_startb_2
FEC A dout flags for data[159:0] rx_flex_fec_rx_dout_flags_2[3:0]
FEC B dout flags for data[319:160] rx_flex_fec_rx_dout_flagsb_2[3:0]
FEC A data[159:0] rx_flex_data_2[159:0]
FEC B data[159:0] rx_flex_data_2[319:160]
TX FLEX I/F enable for both 50G FEC A and B tx_flex_ena_2
FEC A codeword start at data[0] tx_flex_start_2
FEC B codeword start at data[0] tx_flex_startb_2
stall for both 50G FEC A and B tx_flex_stall_2
FEC A data[159:0] tx_flex_data_2[159:0]
FEC B data[159:0] tx_flex_data_2[319:160]
3 RX FLEX I/F enable for both 50G FEC A and B rx_flex_ena_3
FEC A codeword start at data[0] rx_flex_start_3
FEC B codeword start at data[160] rx_flex_startb_3
FEC A dout flags for data[159:0] rx_flex_fec_rx_dout_flags_3[3:0]
FEC B dout flags for data[319:160] rx_flex_fec_rx_dout_flagsb_3[3:0]
FEC A data[159:0] rx_flex_data_3[159:0]
FEC B data[159:0] rx_flex_data_3[319:160]
TX FLEX I/F enable for both 50G FEC A and B tx_flex_ena_3
FEC A codeword start at data[0] tx_flex_start_3
FEC B codeword start at data[0] tx_flex_startb_3
stall for both 50G FEC A and B tx_flex_stall_3
FEC A data[159:0] tx_flex_data_3[159:0]
FEC B data[159:0] tx_flex_data_3[319:160]
4 RX FLEX I/F enable for both 50G FEC A and B rx_flex_ena_4
FEC A codeword start at data[0] rx_flex_start_4
FEC B codeword start at data[160] rx_flex_startb_4
FEC A dout flags for data[159:0] rx_flex_fec_rx_dout_flags_4[3:0]
FEC B dout flags for data[319:160] rx_flex_fec_rx_dout_flagsb_4[3:0]
FEC A data[159:0] rx_flex_data_4[159:0]
FEC B data[159:0] rx_flex_data_4[319:160]
TX FLEX I/F enable for both 50G FEC A and B tx_flex_ena_4
FEC A codeword start at data[0] tx_flex_start_4
FEC B codeword start at data[0] tx_flex_startb_4
stall for both 50G FEC A and B tx_flex_stall_4
FEC A data[159:0] tx_flex_data_4[159:0]
FEC B data[159:0] tx_flex_data_4[319:160]
5 RX FLEX I/F enable for both 50G FEC A and B rx_flex_ena_5
FEC A codeword start at data[0] rx_flex_start_5
FEC B codeword start at data[160] rx_flex_startb_5
FEC A dout flags for data[159:0] rx_flex_fec_rx_dout_flags_5[3:0]
FEC B dout flags for data[319:160] rx_flex_fec_rx_dout_flagsb_5[3:0]
FEC A data[159:0] rx_flex_data_5[159:0]
FEC B data[159:0] rx_flex_data_5[319:160]
TX FLEX I/F enable for both 50G FEC A and B tx_flex_ena_5
FEC A codeword start at data[0] tx_flex_start_5
FEC B codeword start at data[0] tx_flex_startb_5
stall for both 50G FEC A and B tx_flex_stall_5
FEC A data[159:0] tx_flex_data_5[159:0]
FEC B data[159:0] tx_flex_data_5[319:160]