LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 221

• Manufacturer Part Number: LAN9312-NU
• Description: Ethernet ICs Hi Per 2 Port 10/100 Ethernet Switch
• Manufacturer: SMSC
• Type: Two Port Managed Ethernet Switchr

Specifications of LAN9312-NU

• Ethernet Connection Type: 10 Base-T, 100 Base-TX
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Product: Ethernet Switches
• Number Of Transceivers: 1
• Standard Supported: 802.3, 802.3u
• Data Rate: 10 Mbps, 100 Mbps
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 0 V
• Supply Current (max): 185 mA, 295 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
14.2.5.21
BITS
31:0
Auxiliary MAC Address Low (AUX_MAC_LO)
This field contains the low 32-bits of the Auxiliary MAC address used for
PTP packet detection.
1588 Auxiliary MAC Address Low-DWORD Register (1588_AUX_MAC_LO)
This read/write register combined with the
(1588_AUX_MAC_HI)
address can be enabled for each port of the LAN9312 via their respective User Defined MAC Address
Enable bit in the
Hardware Time Stamp Unit," on page 154
Offset:
1588 Configuration Register
forms the 48-bit Auxiliary (user defined) MAC address. The Auxiliary MAC
190h
DESCRIPTION
DATASHEET
221
for additional information.
1588 Auxiliary MAC Address High-WORD Register
Size:
(1588_CONFIG). Refer to
32 bits
Chapter 11, "IEEE 1588
TYPE
R/W
Revision 1.7 (06-29-10)
00000000h
DEFAULT