LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 183

• 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
14.2.2.3
BITS
30:0
31
RX Data FIFO Fast Forward (RX_FFWD)
Writing a 1 to this bit causes the RX Data FIFO to fast-forward to the start
of the next frame. This bit will remain high until the RX Data FIFO fast-
forward operation has completed. No reads should be issued to the RX Data
FIFO while this bit is high.
Note:
RESERVED
Receive Datapath Control Register (RX_DP_CTRL)
This register is used to discard unwanted receive frames.
Please refer to section
Forward," on page 134
of RX_FFWD.
Offset:
078h
DESCRIPTION
Section 9.9.1.1, "Receive Data FIFO Fast
for detailed information regarding the use
DATASHEET
183
Size:
32 bits
TYPE
R/W
RO
SC
Revision 1.7 (06-29-10)
DEFAULT
0h
-