LAN9420 Datasheet, PDF (99/171 Pages) SMSC Corporation – Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
4.2.10 Free Run Counter (FREE_RUN)
Offset:
00F4h
Size:
32 bits
This register reflects the value of the free-running (6.25Mhz) counter (FRC).
BITS
31:0
DESCRIPTION
Free Running Counter (FR_CNT)
This field reflects the value of a free-running 32-bit counter. At reset, the
counter starts at zero and is incremented for every 160ns cycle. When the
maximum count has been reached the counter will rollover. Refer to Section
3.3.4, "Free-Run Counter (FRC)," on page 31 for more information on the
FRC.
TYPE
RO
DEFAULT
-
SMSC LAN9420/LAN9420i
99
DATASHEET
Revision 1.6 (07-18-11)