LAN9312-NZW SMSC, LAN9312-NZW Datasheet - Page 202

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

Specifications of LAN9312-NZW

• 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): 186 mA, 295 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Revision 1.7 (06-29-10)
14.2.5.2
BITS
31:0
Timestamp Low (TS_LO)
This field contains the low 32-bits of the timestamp taken on the receipt of
a 1588 Sync or Delay_Req packet.
Port x 1588 Clock Low-DWORD Receive Capture Register (1588_CLOCK_LO_RX_CAPTURE_x)
Note: The selection between Sync or Delay_Req packets is based on the corresponding
Note: There are multiple instantiations of this register, one for each port of the LAN9312. Refer to
Note: For Port 0(Host MAC), receive is defined as data from the switch fabric, while transmit is to
master/slave bit in the
Section 14.2.5
the switch fabric.
Offset:
for additional information.
Port 1: 104h
Port 2: 124h
Port 0: 144h
DESCRIPTION
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
1588 Configuration Register
DATASHEET
202
Size:
(1588_CONFIG).
32 bits
TYPE
RO
SMSC LAN9312
00000000h
DEFAULT
Datasheet