LAN89730 datasheet(172/218 Pages) MICROCHIP

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LAN89730 데이터시트(PDF) 172 Page - Microchip Technology

부품명	LAN89730

상세설명	Implements Reduced Power Operating Modes

PDF	218 Pages

Scroll/Zoom	100%

제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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172 / 218 page

LAN89730

DS60001348A-page 172

 2013-2015 Microchip Technology Inc.

6.4.9

VLAN1 TAG REGISTER (VLAN1)

This register contains the VLAN tag field to identify VLAN1 frames. For VLAN frames, the legal frame length is increased

from 1518 bytes to 1522 bytes.

The RXCOE also uses this register to determine the protocol value to use to indicate the existence of a VLAN tag. When

using the RXCOE, this value may only be changed if the RX path is disabled. If it is desired to change this value during

run time, it is safe to do so only after the MAC is disabled and the TLI is empty.

Address:

120h

Size:

32 bits

Bits

Description

Type

Default

31:16

RESERVED

15:0

VLAN1 Tag Identifier (VTI1)

This contains the VLAN Tag field to identify the VLAN1 frames. This field is

compared with the 13th and 14th bytes of the incoming frames for VLAN1

frame detection.

R/W

FFFFh

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