Digi NS9750 - Manual (Page 395)

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E t h e r n e t C o m m u n i c a t i o n M o d u l e
Receive control frame packet counter (A060 06B0)
Incremented for each MAC control frame received (PAUSE and unsupported).
Receive PAUSE frame packet counter (A060 06B4)
Incremented each time a valid PAUSE control frame is received.
Receive unknown OPCODE packet counter (A060 06B8)
Incremented each time a MAC control frame is received with an OPCODE other than
PAUSE.
Receive alignment error counter (A060 06BC)
Incremented for each received frame, from 64 to 1518 bytes, that contains an invalid
FCS and has dribble bits (that is, is not an integral number of bytes).
Ignore this counter for RMII applications as it does not operate properly.
Receive code error counter (A060 06C4)
Incremented each time a valid carrier was present and at least one invalid data
symbol was found.
D31:12 R Reset = Read as 0 Reserved
D11:00 R/W Reset = 0x000 RXCF
D31:12 R Reset = Read as 0 Reserved
D11:00 R/W Reset = 0x000 RXPF
D31:12 R Reset = Read as 0 Reserved
D11:00 R/W Reset = 0x000 RBUO
D31:12 R Reset = Read as 0 Reserved
D11:00 R/W Reset = 0x000 RALN
D31:12 R Reset = Read as 0 Reserved
D11:00 R/W Reset = 0x000 RCDE