LAN9303 Datasheet, PDF (189/366 Pages) SMSC Corporation – Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
13.2.7.6 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 131 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 LAN9303/LAN9303i
189
DATASHEET
Revision 1.3 (08-27-09)