DP83953 datasheet(71/90 Pages) NSC

номер детали	DP83953

подробное описание детали	Repeater Interface Controller with Security Features, Internal Drivers and Integrated Filters

PDF	90 Pages

Scroll/Zoom	100%

производитель	NSC [National Semiconductor (TI)]

домашняя страница	http://www.national.com

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7.0 RIC2A Registers (Continued)

Shared CAM Validation Register 3 (SCVR 3) (Page 9H, Address 18H)

This register indicates the validity of an Ethernet address stored in any one of the shared CAMs. When a “1” is written in

a specific SCVR, upon starting the network security, the CAM contents will be used for address comparison.

Note: Before writing to and changing any bits in this register, read the register first and then only change the desired bits. By doing this, a previous entry will

not be invalidated mistakenly.

ADV24

ADV23

ADV22

ADV21

ADV20

ADV19

ADV18

ADV17

Bit

R/W

Symbol

Description

R/W

ADV17

ADdress Valid 17

0: Address is not valid in CAM 17

1: Address is valid in CAM 17

R/W

ADV18

ADdress Valid 18

0: Address is not valid in CAM 18

1: Address is valid in CAM 18

R/W

ADV19

ADdress Valid 19

0: Address is not valid in CAM 19

1: Address is valid in CAM 19

R/W

ADV20

ADdress Valid 20

0: Address is not valid in CAM 20

1: Address is valid in CAM 20

R/W

ADV21

ADdress Valid 21

0: Address is not valid in CAM 21

1: Address is valid in CAM 21

R/W

ADV22

ADdress Valid 22

0: Address is not valid in CAM 22

1: Address is valid in CAM 22

R/W

ADV23

ADdress Valid 23

0: Address is not valid in CAM 23

1: Address is valid in CAM 23

R/W

ADV24

ADdress Valid 24

0: Address is not valid in CAM 24

1: Address is valid in CAM 24

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