LAN9312-NZW SMSC, LAN9312-NZW Datasheet - Page 328

• 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)
14.5.2.7
BITS
31:0
RX 256 to 511 Bytes
Count of packets (including bad packets) that have between 256 and 511
bytes.
Note:
Port x MAC Receive 256 to 511 Byte Count Register (MAC_RX_256_TO_511_CNT_x)
This register provides a counter of received packets between the size of 256 to 511 bytes. The counter
is cleared upon being read.
Note: A bad packet is defined as a packet that has an FCS or Symbol error. For this counter, a packet
This counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 1581 hours.
that is not an integral number of bytes is rounded down to the nearest byte.
Register #:
Port0: 0414h
Port1: 0814h
Port2: 0C14h
DESCRIPTION
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
DATASHEET
328
Size:
32 bits
TYPE
RC
SMSC LAN9312
00000000h
DEFAULT
Datasheet