LAN9353 Datasheet, PDF (280/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
10.7.2.37 Port x MAC Transmit 1024 to Max Byte Count Register (MAC_TX_1024_TO_MAX_CNT_x)
Register #:
Port0: 0459h
Port1: 0859h
Port2: 0C59h
Size:
32 bits
This register provides a counter of transmitted packets between the size of 1024 to the maximum allowable number
bytes. The counter is cleared upon being read.
Bits
Description
31:0 TX 1024 to Max Bytes
Count of packets that have more than 1024 bytes.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100 Mbps is approximately 5979 hours.
Type
RC
Default
00000000h
10.7.2.38 Port x MAC Transmit Undersize Count Register (MAC_TX_UNDSZE_CNT_x)
Register #:
Port0: 045Ah
Port1: 085Ah
Port2: 0C5Ah
Size:
32 bits
This register provides a counter of undersized packets transmitted by the port. The counter is cleared upon being read.
Bits
Description
31:0 TX Undersize
Count of packets that have less than 64 bytes.
Note: This condition could occur when TX padding is disabled and a tag
is removed.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100 Mbps is approximately 458 hours.
Type
RC
Default
00000000h
DS00001925A-page 280
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