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RTL8201CP

SINGLE-CHIP/SINGLE-PORT 10/100M FAST ETHERNET PHYCEIVER (With Auto Crossover)

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RTL8201CP

Datasheet

6.5. Register 4 Auto-Negotiation Advertisement Register (ANAR)

This register contains the advertised abilities of this device as they will be transmitted to its link partner

during auto-negotiation.

Address

4:15

4:14

4:13

4:12

4:11

4:10

4:9

4:8

4:7

4:6

4:5

4:4~0

Table 13. Register 4 Auto-Negotiation Advertisement Register (ANAR)

Name

Description

Mode

NP

Next Page bit.

RO

0: Transmitting the primary capability data page

1: Transmitting the protocol specific data page

ACK

1: Acknowledge reception of link partner capability data word

RO

0: Do not acknowledge reception

RF

1: Advertise remote fault detection capability

RW

0: Do not advertise remote fault detection capability

Reserved

TXFC

1: TX flow control is supported by local node

RW

0: TX flow control not supported by local node

RXFC

1: RX flow control is supported by local node

RW

0: RX flow control not supported by local node

T4

1: 100Base-T4 is supported by local node

RO

0: 100Base-T4 not supported by local node

TXFD

1: 100Base-TX full duplex is supported by local node

RW

0: 100Base-TX full duplex not supported by local node

TX

1: 100Base-TX is supported by local node

RW

0: 100Base-TX not supported by local node

10FD

1: 10Base-T full duplex supported by local node

RW

0: 10Base-T full duplex not supported by local node

10

1: 10Base-T is supported by local node

RW

0: 10Base-T not supported by local node

Selector Binary encoded selector supported by this node. Currently only

RW

CSMA/CD 00001 is specified. No other protocols are supported.

Default

0

0

0

0

0

0

1

1

1

1

00001

6.6. Register 5 Auto-Negotiation Link Partner Ability Register

(ANLPAR)

This register contains the advertised abilities of the Link Partner as received during auto-negotiation. The

content changes after a successful auto-negotiation if Next-pages are supported.

Address

5:15

5:14

5:13

5:12

5:11

Table 14. Register 5 Auto-Negotiation Link Partner Ability Register (ANLPAR)

Name

Description

Mode

NP

Next Page bit.

RO

0: Transmitting the primary capability data page

1: Transmitting the protocol specific data page

ACK

1: Link partner acknowledges reception of local node’s capability

RO

data word

0: No acknowledgement

RF

1: Link partner is indicating a remote fault

RO

0: Link partner does not indicate a remote fault

Reserved

TXFC

1: TX flow control is supported by Link partner

RO

0: TX flow control not supported by Link partner

Default

0

0

0

0

Single-Chip/Port 10/100 Fast Ethernet PHYceiver

10

Track ID: JATR-1076-21 Rev. 1.21

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