LAN9312-NZW SMSC, LAN9312-NZW Datasheet - Page 340

• 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)
14.5.2.19
BITS
31:0
RX Bytes
Count of total bytes received (including bad packets).
Note:
Port x MAC Receive Packet Length Count Register (MAC_RX_PKTLEN_CNT_x)
This register provides a counter of total bytes received. The counter is cleared upon being read.
Note: If necessary, for oversized packets, the packet is either truncated at 1518 bytes (untagged,
Note: A bad packet is one that has an FCS or Symbol error. For this counter, a packet that is not an
This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 5.8 hours.
Jumbo2K=0), 1522 bytes (tagged, Jumbo2K=0), or 2048 bytes (Jumbo2K=1). If this occurs,
the byte count recorded is 1518, 1522, or 2048, respectively. The Jumbo2K bit is located in
the
integral number of bytes (e.g. a 1518 1/2 byte packet) is rounded down to the nearest byte.
Register #:
Port x MAC Receive Configuration Register
Port0: 0420h
Port1: 0820h
Port2: 0C20h
DESCRIPTION
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
DATASHEET
340
Size:
(MAC_RX_CFG_x).
32 bits
TYPE
RC
SMSC LAN9312
00000000h
DEFAULT
Datasheet