10G Signaling - 2.1 English

Versal Devices Integrated 100G Multirate Ethernet MAC Subsystem Product Guide (PG314)

Document ID
PG314
Release Date
2023-07-11
Version
2.1 English

10G operation necessitates a 32-bit data bus. So, half of the axis_tdata<N> signal is unused (Bits[63:32]). Additionally, only even-numbered tdata signals are used. Up to four 10G clients can be active.

Table 1. 10G Non-Segmented Signaling for 32 Bits
Client Direction Function Signaling
0 RX valid

last

data[31:0]

tkeep

err

preempt

resume

preamble_out

rx_axis_tvalid_0

rx_axis_tlast_0

rx_axis_tdata0[31:0]

rx_axis_tkeep_user_0[3:0]

rx_axis_tkeep_user_0[8]

rx_axis_tkeep_user_0[9]

rx_axis_tkeep_user_0[10]

rx_preambleout_0[55:0]

TX ready

valid

last

data[31:0]

tkeep

err

preempt

resume

preamble_in

tx_axis_tready_0

tx_axis_tvalid_0

tx_axis_tlast_0

tx_axis_tdata0[31:0]

tx_axis_tkeep_user_0[3:0]

tx_axis_tkeep_user_0[8]

tx_axis_tkeep_user_0[9]

tx_axis_tkeep_user_0[10]

tx_axis_preamblein_0[55:0]

1 RX valid

last

data[31:0]

tkeep

err

preempt

resume

preamble_out

rx_axis_tvalid_1

rx_axis_tlast_1

rx_axis_tdata2[31:0]

rx_axis_tkeep_user_2[3:0]

rx_axis_tkeep_user_2[8]

rx_axis_tkeep_user_2[9]

rx_axis_tkeep_user_2[10]

rx_preambleout_1[55:0]

TX ready

valid

last

data[31:0]

tkeep

err

preempt

resume

preamble_in

tx_axis_tready_1

tx_axis_tvalid_1

tx_axis_tlast_1

tx_axis_tdata2[31:0]

tx_axis_tkeep_user_2[3:0]

tx_axis_tkeep_user_2[8]

tx_axis_tkeep_user_2[9]

tx_axis_tkeep_user_2[10]

tx_axis_preamblein_1[55:0]

2 RX valid

last

data[31:0]

tkeep

err

preempt

resume

preamble_out

rx_axis_tvalid_2

rx_axis_tlast_2

rx_axis_tdata4[31:0]

rx_axis_tkeep_user_4[3:0]

rx_axis_tkeep_user_4[8]

rx_axis_tkeep_user_4[9]

rx_axis_tkeep_user_4[10]

rx_preambleout_2[55:0]

TX ready

valid

last

data[31:0]

tkeep

err

preempt

resume

preamble_in

tx_axis_tready_2

tx_axis_tvalid_2

tx_axis_tlast_2

tx_axis_tdata4[31:0]

tx_axis_tkeep_user_4[3:0]

tx_axis_tkeep_user_4[8]

tx_axis_tkeep_user_4[9]

tx_axis_tkeep_user_4[10]

tx_axis_preamblein_2[55:0]

3 RX valid

last

data[31:0]

tkeep

err

preempt

resume

preamble_out

rx_axis_tvalid_3

rx_axis_tlast_3

rx_axis_tdata6[31:0]

rx_axis_tkeep_user_6[3:0]

rx_axis_tkeep_user_6[8]

rx_axis_tkeep_user_6[9]

rx_axis_tkeep_user_6[10]

rx_preambleout_3[55:0]

TX ready

valid

last

data[31:0]

tkeep

err

preempt

resume

preamble_in

tx_axis_tready_3

tx_axis_tvalid_3

tx_axis_tlast_3

tx_axis_tdata6[31:0]

tx_axis_tkeep_user_6[3:0]

tx_axis_tkeep_user_6[8]

tx_axis_tkeep_user_6[9]

tx_axis_tkeep_user_6[10]

tx_axis_preamblein_3[55:0]