LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 217

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

Specifications of LAN9312-NU

• Number Of Primary Switch Ports: 2
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: No
• Phy/transceiver Interface: MII
• Power Supply Type: Analog
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Compliant

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
14.2.5.17
BITS
31:0
Clock Target Low (CLOCK_TARGET_LO)
This field contains the low 32-bits of the 64-bit 1588 Clock Compare value.
1588 Clock Target Low-DWORD Register (1588_CLOCK_TARGET_LO)
T h i s r e a d / w r i t e r e g i s t e r c o m b i n e d w i t h
(1588_CLOCK_TARGET_HI)
compared to the current 1588 Clock value and can be used to trigger an interrupt upon at match. Refer
to
Note: Both
Chapter 11, "IEEE 1588 Hardware Time Stamp Unit," on page 154
(1588_CLOCK_TARGET_HI)
Offset:
this
register
180h
DESCRIPTION
form the 64-bit 1588 Clock Target value. The 1588 Clock Target value is
and
DATASHEET
must be written for either to be affected.
the
217
Size:
1588
1 5 8 8 C l o c k Ta r g e t H i g h - D W O R D R e g i s t e r
Clock
32 bits
Target
for additional information.
High-DWORD
TYPE
R/W
Revision 1.7 (06-29-10)
00000000h
DEFAULT
Register