LAN9303MI-AKZE Datasheet, PDF (267/386 Pages) SMSC Corporation – Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
13.4.2.25 Port x MAC Transmit Deferred Count Register (MAC_TX_DEFER_CNT_x)
Register #:
Port0: 0451h
Port1: 0851h
Port2: 0C51h
Size:
32 bits
This register provides a counter deferred packets. The counter is cleared upon being read.
BITS
DESCRIPTION
31:0 TX Deferred
Count of packets that were available for transmission but were deferred on
the first transmit attempt due to network traffic (either on receive or prior
transmission). This counter is not incremented on 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 100Mbps is approximately 481 hours.
TYPE
RC
DEFAULT
00000000h
SMSC LAN9303M/LAN9303Mi
267
DATASHEET
Revision 1.5 (07-08-11)