SMSC LAN9311 User Manual
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08)
214
SMSC LAN9311/LAN9311i
DATASHEET
14.2.5.13
1588 Clock High-DWORD Register (1588_CLOCK_HI)
This read/write register combined with
form the
64-bit 1588 Clock value. The 1588 Clock value is used for all 1588 timestamping. The 1588 Clock has
a base frequency of 100MHz, which can be adjusted via the
a base frequency of 100MHz, which can be adjusted via the
accordingly. Refer to
for additional information.
Note:
Both this register and the
written for either to be affected.
Note:
The value read is the saved value of the 1588 Clock when the 1588_CLOCK_SNAPSHOT bit
in the
in the
is set.
Offset:
170h
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
Clock High (CLOCK_HI)
This field contains the high 32-bits of the 64-bit 1588 Clock.
This field contains the high 32-bits of the 64-bit 1588 Clock.
R/W
00000000h