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LAN9312 Datasheet(PDF) 268 Page - SMSC Corporation

Part # LAN9312
Description  High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
PDF  458 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LAN9312 Datasheet(HTML) 268 Page - SMSC Corporation

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



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