lan9312 Standard Microsystems Corp., lan9312 Datasheet - Page 268

• Manufacturer Part Number: lan9312
• Description: Lan9312 High Performance Two Port 10/100 Managed Ethernet Switch With 32-bit Non-pci Cpu Interface
• Manufacturer: Standard Microsystems Corp.

Revision 1.2 (04-08-08)
14.2.9.7
BITS
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:
Free Running 25MHz Counter Register (FREE_RUN)
This read-only register reflects the current value of the free-running 25MHz counter. Refer to
12.2, "Free-Running Clock," on page 161
The free running counter can take up to 160nS to clear after a reset
event.
Offset:
09Ch
DESCRIPTION
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
DATASHEET
268
for additional information.
Size:
32 bits
TYPE
RO
SMSC LAN9312
00000000h
DEFAULT
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