Altera 40-Gbps Ethernet MAC and PHY MegaCore Function - Manual (Page 114)

Figure 3-34: Top-Level Signals of the 40-100GbE IP Core with Adapters
Ethernet Top-Level Signals with Adapters
MAC and PHY
Asynchronous
Reset Signals
Avalon-MM
Control
and Status
Link Fault
Signaling
TX MAC to PHY
Connections
RX MAC to PHY
Connections
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
tx_mii_d [(64 x )-1:0]
tx_mii_c [(8 x )-1:0]
tx_mii_valid
tx_mii_ready
tx_lanes_stable
rx_mii_d [(64 x )-1:0]
rx_mii_c [(8 x )-1:0]
rx_mii_valid
Transceiver Serial
Data lanes
@ 10.3125 Gbps or
25.78125 Gbps
Increment Vectors of
Statistics Counters
(only used internally
when in duplex mode)
Pause Status Signaling
(only used internally
when in duplex mode)
lanes_deskewed
lanes_deskewed
Lane to Lane
Deskew
TX MAC to PHY
Connections
RX MAC to PHY
Connections
tx_mii_d [(64 x )-1:0]
tx_mii_c [(8 x )-1:0]
tx_mii_valid
tx_mii_ready
tx_lanes_stable
rx_mii_d [(64 x )-1:0]
rx_mii_c [(8 x )-1:0]
rx_mii_valid
TX Avalon-ST
Interface
RX Avalon-ST
Interface
l_tx_data[(64 x < n>)-1:0]
l_tx_empty[< l>-1:0]
l_tx_startofpacket
l_tx_endofpacket
l_tx_ready
l_tx_valid
l_rx_data[(64 x )-1:0]
l_rx_empty[-1:0]
l_rx_startofpacket
l_rx_endofpacket
l_rx_error
l_rx_valid
l_rx_fcs_valid
l_rx_fcs_error
Clocks
clk_txmac
clk_rxmac
clk_status
clk_ref
tx_clk_ref
rx_clk_ref
rx_recovered_clk
External Reconfiguration
Controller for Arria V GZ
and Stratix V Devices
External Reconfiguration
Controller for 100GbE
CAUI-4 Configurations Only
(duplex mode only)
(replace clk_ref
in Sync-E variations)
(Sync-E variations only)
KR4 Microprocessor
Interface for
40GBASE-KR4
Microprocessor-Enabled
Configurations Only
v>-1:0]
v>-1:0] rx_serial [<
tx_serial [<
v>)-1:0]
v>)-1:0]
v>)-1:0]
v>)-1:0]
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
rx_statistic_counters[22:0]
tx_statistic_counters[21:0]
reconfig_to_xcvr[(140 x <
reconfig_to_xcvr[(70 x <
reconfig_from_xcvr[(92 x <
reconfig_from_xcvr[(46 x <
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]
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]
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]
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]
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)
Reconfiguration
Interface for
40GBASE-KR4
Reconfiguration-Enabled
Configurations Only
Link Training
Interface for
40GBASE-KR4
Link Training-Enabled
Configurations Only
RX Equalization
Interface for
40GBASE-KR4
RX Equalization-Enabled
Configurations Only
pause_insert_tx
pause_insert_time [15:0]
pause_insert_mcast
pause_insert_dst [47:0]
pause_insert_src [47:0]
Pause Control
and Generation
Related Information
• Signals of MAC and PHY Variations Without Adapters on page 3-55
Signals in variations with adapters are the same as signals in variations without adapters on most
interfaces. The only exceptions are the RX and TX client interfaces (completely different).
• 40-100GbE IP Core TX Data Bus with Adapters (Avalon-ST Interface) on page 3-6
Describes the TX client interface in IP core variations with adapters.
• 40-100GbE IP Core RX Data Bus with Adapters (Avalon-ST Interface) on page 3-25
Describes the RX client interface in IP core variations with adapters.
UG-01088
2014.12.15
Signals of MAC and PHY Variations With Adapters 3-67
Functional Description Altera Corporation
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