Altera 40-Gbps Ethernet MAC and PHY MegaCore Function User Manual
Page 159

Address
Name-
Description
Access
0x22B
CNTR_TX_ST_HI
Number of transmitted frame starts, excluding pause frames
(upper 32 bits)
RO
0x22C
CNTR_TX_DB_LO
Number of transmitted data blocks (number of full symbols
(2 or 5 words, depending on the variation) that pass from
the MAC to the PHY that contain at least some data)(lower
32 bits)
RO
0x22D
CNTR_TX_DB_HI
Number of transmitted data blocks (number of full symbols
(2 or 5 words, depending on the variation) that pass from
the MAC to the PHY that contain at least some data) (upper
32 bits)
RO
Table 3-49: Receive Side Statistics Registers
Address
Name-
Description
Access
0x280
CNTR_RX_64B_LO
Number of 64-byte received frames (lower 32 bits),
including the CRC field but excluding the preamble and SFD
bytes
RO
0x281
CNTR_RX_64B_HI
Number of 64-byte received frames (upper 32 bits),
including the CRC field but excluding the preamble and SFD
bytes
RO
0x282
CNTR_RX_
65to127B_LO
Number of received frames between 65–127 bytes (lower 32
bits)
RO
0x283
CNTR_RX_
65to127B_HI
Number of received frames between 65–127 bytes (upper 32
bits)
RO
0x284
CNTR_RX_
128to255B_LO
Number of received frames between 128 –255 bytes (lower
32 bits)
RO
0x285
CNTR_RX_
128to255B_HI
Number of received frames between 128 –255 bytes (upper
32 bits)
RO
0x286
CNTR_RX_
256to511B_LO
Number of received frames between 256 –511 bytes (lower
32 bits)
RO
0x287
CNTR_RX_
256to511B_HI
Number of received frames between 256 –511 bytes (upper
32 bits)
RO
0x288
CNTR_RX_
512to1023B_LO
Number of received frames between 512–1023 bytes (lower
32 bits)
RO
0x289
CNTR_RX_
512to1023B_HI
Number of received frames between 512 –1023 bytes (upper
32 bits)
RO
3-112
Statistics Registers
UG-01088
2014.12.15
Altera Corporation
Functional Description