LAN9311I-NZW Standard Microsystem (Smsc), LAN9311I-NZW Datasheet - Page 417

• Manufacturer Part Number: LAN9311I-NZW
• Manufacturer: Standard Microsystem (Smsc)

Specifications of LAN9311I-NZW

• Package: 128XVTQFP
• Phy/transceiver Interface: MII
• Number Of Primary Switch Ports: 2
• Maximum Data Rate: 100 Mbps
• Internal Memory Buffer Size: 32 KB
• Vlan Support: Yes
• Power Supply Type: Analog
• Minimum Single Supply Voltage: 3 V
• Maximum Single Supply Voltage: 3.6 V
• Maximum Supply Current: 0.295 A
• Maximum Power Dissipation: 1070 mW

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
14.5.4.6
BITS
31:0
Dropped Count
These bits count the number of dropped packets received on Port 0 and is
cleared when read.
Note:
Buffer Manager Port 0 Drop Count Register (BM_DRP_CNT_SRC_MII)
This register counts the number of packets dropped by the Buffer Manager that were received on Port
0(Host MAC). This count includes packets dropped due to buffer space limits and ingress rate limit
discarding (Red and random Yellow dropping).
The counter will stop at its maximum value of FFFF_FFFFh.
Minimum rollover time at 100Mbps is approximately 481 hours.
Register #:
1C05h
DESCRIPTION
DATASHEET
417
Size:
32 bits
TYPE
RC
Revision 1.7 (06-29-10)
00000000h
DEFAULT