Altera 40-Gbps Ethernet MAC and PHY MegaCore Function - Manual (Page 163)

Address Name- Description Access
0x2B7 Reserved
0x2B8
CNTR_RX_FCS
Number of received packets with FCS errors. This register
maintains a count of the number of pulses on the
l_rx_
fcs_error
output signal in variations with a custom
streaming client interface (variations without adapters).
RO
Related Information
• Statistics Counters Interface on page 3-39
• MAC Configuration and Filter Registers on page 3-99
For more information about the
MAC_CMD_config
register.
40‑100GbE Example Design Registers
The following sections describe the registers that are included in the 40-100GbE example design and are
not a part of the 40-100GbE IP core. These registers are not available in the example designs for the
40GBASE-KR4 IP core variations.
PMD Registers on page 3-116
MDIO Registers on page 3-117
2-Wire Serial Interface Registers on page 3-118
Related Information
40-100GbE IP Core Example Design on page 5-1
Altera provides an example design with the 40-100GbE IP core. This example design is ready for
compilation and can be configured on a target device. The listed registers are part of the example design.
PMD Registers
Table 3-50: PMD Control and Status Registers
The physical medium dependent (PMD) control and status registers allow you to turn on and determine the status
of the PMD device in the 40-100GbE IP core example design.
Address Name Bits Description HW Reset Value Access
0x400
PMD_VERSION
[31:0] PMD revision. The character string is
“OPTs.”
0x4F505473 R
0x401
SCRATCH_PMD
[31:0] Scratch register available for testing. 0x00000000 RW
0x402
PMD_CMD_
CONFIG
[0] Writing a 1 enables the PMD. When
you set this register to the value of 1,
the IP core seeks RX lock.
0x00000000 RW
3-116 40‑100GbE Example Design Registers
UG-01088
2014.12.15
Altera Corporation Functional Description
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