參數(shù)資料
型號: LAN9116-MT
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 微控制器/微處理器
英文描述: Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
中文描述: 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封裝: ROHS COMPLIANT, TQFP-100
文件頁數(shù): 24/126頁
文件大?。?/td> 831K
代理商: LAN9116-MT
Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
Revision 1.1 (05-17-05)
24
SMSC LAN9116
DATASHEET
The MAC Function recognizes transmitted and received frames tagged with either one-level or two-
level VLAN IDs. The MAC compares the thirteenth and fourteenth bytes of transmit and receive frames
to the contents of both the one-level VLAN tag register and the two-level VLAN tag register. If a match
is found, the MAC Function identifies the frame as either a one- or two-level VLAN frame, depending
on where the match was found. Upon recognizing that a frame has a VLAN tag, counter thresholds
are adjusted to account for the extra bytes that the VLAN tag adds to the frame. The maximum length
of the good packet is thus changed from 1518 bytes to 1522 bytes.
Figure 3.2 VLAN Frame
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