Altera Transceiver PHY IP Core Manual de usuario Pagina 88

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Signal Name Direction Description
rxeq_done Input Link training requires RX equalization to be
complete. Tie this signal to 1 to indicate that RX
equalization is complete.
Register Interface Signals
The Avalon-MM master interface signals provide access to all registers.
Refer to the Typical Slave Read and Write Transfers and Master Transfers sections in the Avalon Memory-
Mapped Interfaces chapter of the Avalon Interface Specifications for timing diagrams.
Table 4-18: Avalon-MM Interface Signals
Signal Name Direction Description
mgmt_clk Input The clock signal that controls the Avalon-MM PHY
management, interface. If you plan to use the same
clock for the PHY management interface and
transceiver reconfiguration, you must restrict the
frequency range to 100-125 MHz to meet the
specification for the transceiver reconfiguration
clock.
mgmt_clk_reset Input Resets the PHY management interface. This signal
is active high and level sensitive.
mgmt_addr[7:0] Input 8-bit Avalon-MM address.
mgmt_writedata[31:0] Input Input data.
mgmt_readdata[31:0] Output Output data.
mgmt_write Input Write signal. Active high.
mgmt_read Input Read signal. Active high.
mgmt_waitrequest Output When asserted, indicates that the Avalon-MM slave
interface is unable to respond to a read or write
request. When asserted, control signals to the
Avalon-MM slave interface must remain constant.
Related Information
Avalon Interface Specifications
10GBASE-KR PHY Register Definitions
The Avalon-MM master interface signals provide access to the control and status registers.
The following table specifies the control and status registers that you can access over the Avalon-MM
PHY management interface. A single address space provides access to all registers.
4-32
Register Interface Signals
UG-01080
2015.01.19
Altera Corporation
Backplane Ethernet 10GBASE-KR PHY IP Core with Early Access FEC Option
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