Altera 40-Gbps Ethernet MAC and PHY MegaCore Function - Manual (Page 117)

Figure 3-36: Top-Level Signals of the 40-100GbE IP Core Without Adapters
Ethernet Top-Level Signals without Adapters
rx_serial [<v>-1:0]
tx_serial [<v>-1:0] TX Custom
Streaming
Interface
RX Custom
Streaming
Interface
MAC and PHY
Asynchronous
Reset Signals
Avalon-MM
Control
and Status
Pause Control
and Generation
Legend:
Black = Included in all IP cores.
Blue = Included in 40-100GbE (alt_e*.v)
and 40-100GbE MAC (alt_e*_mac.v)
Purple = Included in 40-100GbE (alt_e*.v)
and 40-100GbE PHY (alt_e*_phy.v)
Green = Included only in 40-100GbE MAC
(alt_e*_mac.v)
Dark Grey = Included only in 40-100GbE PHY
(alt_e*_phy.v)
TX MAC to PHY
Connections
RX MAC to PHY
Connections
clk_txmac
din [(64 x <w>)-1:0]
din_start [<w>-1:0]
din_end_pos [(8 x < w>)-1:0]
din_ack
clk_rxmac
dout_d [(64 x <w>)-1:0]
dout_c [(8 x <w>)-1:0]
dout_first_data [<w>-1:0]
dout_last_data [(8 x <w>)-1:0]
dout_runt_last_data [<w>-1:0]
dout_payload [<w>-1:0]
dout_fcs_error
dout_fcs_valid
dout_dst_addr_match [<w>-1:0]
dout_valid
mac_rx_arst_ST
mac_tx_arst_ST
pcs_rx_arst_ST
pcs_tx_arst_ST
pma_arst_ST
status_addr [15:0]
status_read
status_write
status_writedata [31:0]
status_readdata [31:0]
status_readdata_valid
pause_insert_tx
pause_insert_time [15:0]
pause_insert_mcast
pause_insert_dst [47:0]
pause_insert_src [47:0]
pause_match_from_rx
pause_time_from_rx [15:0]
pause_match_to_tx
pause_time_to_tx [15:0]
remote_fault_from_rx
local_fault_from_rx
remote_fault_to_tx
local_fault_to_tx
remote_fault_status
local_fault_status
tx_mii_d [(64 x <w>-1):0]
tx_mii_c [(8 x <w>) -1:0]
tx_mii_valid
tx_mii_ready
tx_lanes_stable
rx_mii_d [(64 x <w>-1):0]
rx_mii_c [(8 x <w>-1):0]
rx_mii_valid
Transceiver Serial
Data <v> lanes
@ 10.3125 Gbps or
25.78125 Gbps
Increment Vectors of
Statistics Counters
rx_statistic_counters[22:0]
tx_statistic_counters[21:0]
Pause Status Signaling
(only used internally
when in duplex mode)
clk_status
clk_ref
tx_clk_ref
rx_clk_ref
rx_recovered_clk
lanes_deskewed
lanes_deskewed
Lane to Lane
Deskew
TX MAC to PHY
Connections
RX MAC to PHY
Connections
tx_mii_d [(64 x <w>)-1:0]
tx_mii_c [(8 x <w>) -1:0]
tx_mii_valid
tx_mii_ready
tx_lanes_stable
rx_mii_d [(64 x <w>)-1:0]
rx_mii_c [(8 x <w>)-1:0]
rx_mii_valid
reconfig_to_xcvr[(140 x <v>)-1:0]
reconfig_to_xcvr[(70 x <v>)-1:0]
reconfig_from_xcvr[(92 x <v>)-1:0]
reconfig_from_xcvr[(46 x <v>)-1:0]
reconfig_to_xcvr0[209:0]
reconfig_to_xcvr1[209:0]
reconfig_to_xcvr2[209:0]
reconfig_to_xcvr3[209:0]
reconfig_from_xcvr0[137:0]
reconfig_from_xcvr1[137:0]
reconfig_from_xcvr2[137:0]
reconfig_from_xcvr3[137:0]
External Reconfiguration
Controller for Arria V GZ
and Stratix V Devices
External Reconfiguration
Controller for 100GbE
CAUI-4 Configurations Only
upi_mode_en[3:0]
upi_adj[7:0]
upi_inc[3:0]
upi_dec[3:0]
upi_pre[3:0]
upi_init[3:0]
upi_st_bert[3:0]
upi_train_err[3:0]
KR4 Microprocessor
Interface for
40GBASE-KR4
Microprocessor-Enabled
Configurations Only
upi_lock_err[3:0]
upi_rx_trained[3:0]
upo_cm_done[3:0]
upo_bert_done[3:0]
upo_ber_cnt[47-1:0]
upo_ber_max[3:0]
upo_coef_max[3:0]
upo_enable[3:0]
upo_frame_lock[3:0]
rc_busy[3:0]
lt_start_rc[3:0]
main_rc[23:0]
post_rc[19:0]
pre_rc[15:0]
tap_to_upd[11:0]
seq_start_rc[3:0]
dfe_start_rc[3:0] Reconfiguration
Interface for
40GBASE-KR4
Reconfiguration-Enabled
Configurations Only
Link Training
Interface for
40GBASE-KR4
Link Training-Enabled
Configurations Only
dfe_mode[7:0]
ctle_start_rc[3:0]
pcs_mode_rc[5:0]
en_lcl_rxeq[3:0]
rxeq_done[3:0]
reco_mif_done
ctle_rc[15:0]
ctle_mode[7:0]
Link Fault
Signaling
(only used internally
when in duplex mode)
(duplex mode only)
(replace clk_ref
in Sync-E variations)
Clocks
(Sync-E variations only)
RX Equalization
Interface for
40GBASE-KR4
RX Equalization-Enabled
Configurations Only
40-100GbE IP core variations that do not include a PHY have the following differences from the
variations that include the PHY:
• The 40-100GbE PHY output signals are not available in the MAC-only variations.
• The MAC-only variations include an interface to connect to a PHY.
3-70 Signals of 40-100GbE MAC‑Only IP Core Variations
UG-01088
2014.12.15
Altera Corporation Functional Description
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