SMSC LAN9420 Manual De Usuario

Descargar
Página de 169
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
Revision 1.22 (09-25-08)
98
SMSC LAN9420/LAN9420i
DATASHEET
4.2.10
Free Run Counter (FREE_RUN)
This register reflects the value of the free-running (6.25Mhz) counter (FRC).
Offset:
00F4h
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
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 
 for more information on the 
FRC.
RO
-