LAN9312-NZW Standard Microsystems (SMSC), LAN9312-NZW Datasheet - Page 213

• Manufacturer Part Number: LAN9312-NZW
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9312-NZW

• Lead Free Status / RoHS Status: Supplier Unconfirmed

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
14.2.5.13
BITS
31:0
Clock High (CLOCK_HI)
This field contains the high 32-bits of the 64-bit 1588 Clock.
1588 Clock High-DWORD Register (1588_CLOCK_HI)
This read/write register combined with
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
(1588_CLOCK_ADDEND)
on page 154
Note: Both this register and the
Note: The value read is the saved value of the 1588 Clock when the 1588_CLOCK_SNAPSHOT bit
written for either to be affected.
in the
Offset:
for additional information.
1588 Command Register (1588_CMD)
170h
accordingly. Refer to
DESCRIPTION
DATASHEET
1588 Clock Low-DWORD Register (1588_CLOCK_LO)
1588 Clock Low-DWORD Register (1588_CLOCK_LO)
213
Size:
Chapter 11, "IEEE 1588 Hardware Time Stamp Unit,"
is set.
32 bits
1588 Clock Addend Register
TYPE
R/W
Revision 1.7 (06-29-10)
00000000h
DEFAULT
must be
form the