LAN9353 Datasheet, PDF (282/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
10.7.2.41 Port x MAC Transmit Multicast Count Register (MAC_TX_MULCST_CNT_x)
Register #:
Port0: 045Eh
Port1: 085Eh
Port2: 0C5Eh
Size:
32 bits
This register provides a counter of transmitted multicast packets. The counter is cleared upon being read.
Bits
Description
31:0 TX Multicast
Count of multicast packets transmitted including MAC Control Pause frames.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100 Mbps is approximately 481 hours.
Type
RC
Default
00000000h
10.7.2.42 Port x MAC Transmit Late Collision Count Register (MAC_TX_LATECOL_CNT_x)
Register #:
Port0: 045Fh
Port1: 085Fh
Port2: 0C5Fh
Size:
32 bits
This register provides a counter of transmitted packets which experienced a late collision. The counter is cleared upon
being read.
Bits
Description
31:0 TX Late Collision
Count of transmitted packets that experienced a late collision. This counter is
incremented only in half-duplex operation.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100 Mbps is approximately 481 hours.
Type
RC
Default
00000000h
10.7.2.43 Port x MAC Transmit Excessive Collision Count Register (MAC_TX_EXCCOL_CNT_x)
Register #:
Port0: 0460h
Port1: 0860h
Port2: 0C60h
Size:
32 bits
This register provides a counter of transmitted packets which experienced 16 collisions. The counter is cleared upon
being read.
Bits
Description
31:0 TX Excessive Collision
Count of transmitted packets that experienced 16 collisions. This counter is
incremented only in half-duplex operation.
Note: This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100 Mbps is approximately 1466 hours.
Type
RC
Default
00000000h
DS00001925A-page 282
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