LAN9313 Datasheet, PDF (229/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
13.1.8.6 Free Running 25MHz Counter Register (FREE_RUN)
Offset:
09Ch
Size:
32 bits
This read-only register reflects the current value of the free-running 25MHz counter. Refer to Section
11.2, "Free-Running Clock," on page 141 for additional information.
BITS
DESCRIPTION
31:0 Free Running Counter (FR_CNT)
This field reflects the current value of the free-running 32-bit counter. At
reset, the counter starts at zero and is incremented by one every 25MHz
cycle. When the maximum count has been reached, the counter will rollover
to zero and continue counting.
Note: The free running counter can take up to 160nS to clear after a reset
event.
TYPE
RO
DEFAULT
00000000h
SMSC LAN9313/LAN9313i
229
DATASHEET
Revision 1.2 (04-08-08)