NEC Network Controller uPD98502 - Manual (Page 281)

CHAPTER 5 ETHERNET CONTROLLER
Preliminary User’s Manual S15543EJ1V0UM 281
Table 5-3. Statistics Counter Register Map
Offset Address Register Name R/W Access Description
1000_m140H En_RBYT R/W W Receive Byte Counter
1000_m144H En_RPKT R/W W Receive Packet Counter
1000_m148H En_RFCS R/W W Receive FCS Error Counter
1000_m14CH En_RMCA R/W W Receive Multicast Packet Counter
1000_m150H En_RBCA R/W W Receive Broadcast Packet Counter
1000_m154H En_RXCF R/W W Receive Control Frame Packet Counter
1000_m158H En_RXPF R/W W Receive PAUSE Frame Packet Counter
1000_m15CH En_RXUO R/W W Receive Unknown OP code Counter
1000_m160H En_RALN R/W W Receive Alignment Error Counter
1000_m164H En_RFLR R/W W Receive Frame Length Out of Range Counter
1000_m168H En_RCDE R/W W Receive Code Error Counter
1000_m16CH En_RFCR R/W W Receive False Carrier Counter
1000_m170H En_RUND R/W W Receive Undersize Packet Counter
This counter is incremented each time a frame is received
which is less than 64 bytes in length and contains a valid
FCS.
1000_m174H En_ROVR R/W W Receive Oversize Packet Counter
This counter is incremented each time a frame is received
which exceeds 1518 bytes length and contains a valid FCS.
1000_m178H En_RFRG R/W W Receive Error Undersize Packet Counter
This counter is incremented each time a frame is received
which is less than 64 bytes in length and contains a invalid
FCS, includes alignment error.
1000_m17CH En_RJBR R/W W Receive Error Oversize Packet Counter
This counter is incremented each time a frame is received
which exceeds 1518 bytes length and contains an invalid
FCS or includes an alignment error.
1000_m180H En_R64 R/W W Receive 64 Byte Frame Counter
This counter is incremented for each good or bad frame
received which is 64 bytes in length.
1000_m184H En_R127 R/W W Receive 65 to 127 Byte Frame Counter
This counter is incremented for each good or bad frame
received which is 65 to 127 bytes in length.
1000_m188H En_R255 R/W W Receive 128 to 255 Byte Frame Counter
This counter is incremented for each good or bad frame
received which is 128 to 255 bytes in length.
1000_m18CH En_R511 R/W W Receive 256 to 511 Byte Frame Counter
This counter is incremented for each good or bad frame
received which is 256 to 511 bytes in length.
1000_m190H En_R1K R/W W Receive 512 to 1023 Byte Frame Counter
This counter is incremented for each good or bad frame
received which is 512 to 1023 bytes in length.
1000_m194H En_RMAX R/W W Receive Over 1023 Byte Frame Counter
This counter is incremented for each good or bad frame
received which is over 1023 bytes in length.
1000_m198H En_RVBT R/W W Receive Valid Byte Counter
This counter is incremented by the byte count of each valid
packet received.
1000_m19CH:
1000_m1BCH
N/A - Reserved for future use
1000_m1C0H En_TBYT R/W W Transmit Byte Counter