AC207-DS04-405-R datasheet(37/60 Pages) BOARDCOM

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Preliminary Data Sheet

AC207

07/08/02

B roa dcom

Document

AC207-DS04-405-R

PHY Registers

Page 27

PHY INTERRUPT CONTROL/STATUS REGISTER

DIAGNOSTIC REGISTER

Table 28: PHY Interrupt Control/Status Register

Bit

Name

Description

Mode Default

17.15

Jabber_IE

Jabber Interrupt Enable.

17.14

Rx_Er_IE

Receive Error Interrupt Enable.

17.13

Page_Rx_IE

Page Received Interrupt Enable.

17.12

PD_Fault_IE

Parallel Detection Fault Interrupt Enable.

17.11

LP_Ack_IE

Link Partner Acknowledge Interrupt Enable.

17.10

Link_Schange_ IE Link Status Changed Interrupt Enable.

17.9

R_Fault_IE

Remote Fault Interrupt Enable.

17.8

Aneg_Comp_IE

Auto-Neg Complete Interrupt Enable.

17.7

Jabber_Int

This bit is set when a jabber event is detected.

17.6

Rx_Er_Int

This bit is set when RX_ER transitions high.

17.5

Page_Rx_Int

This bit is set when a new page is received from link partner during Auto-

Negotiation.

17.4

PD_Fault_Int

This bit is set when parallel detect fault is detected.

17.3

LP_Ack_Int

This bit is set when the FLP with acknowledge bit set is received.

17.2

Link_Schanged Int This bit is set when link status is changed.

17.1

R_Fault_Int

This bit is set when remote fault is detected.

17.0

A_Neg_Comp Int

This bit is set when Auto-Neg is completed.

Table 29: Diagnostic Register

Bit

Name

Description

Mode

Default

18.15

Lp_lpbk

Link pulse loopback.

1 = loopback the link pulse for auto-negotiation testing

18.14

Send_nlp

1 = force link pulse generator to send nlp event in auto-negotiation mode. RW

18.13

Force link pass bt 1 = force 10BASE-T link pass

18.12

Force link pass tx 1 = force 100 TX link pass

18.11

DPLX

This bit indicates the result of the Auto-Neg for duplex arbitration.

18.10

Speed

This bit indicates the result of the Auto-Neg for data speed arbitration.

18.9

RX_PASS

In 10BT mode, this bit indicates that Manchester data has been detected.

In 100BT mode, it indicates valid signal has been received but not nec-

essarily locked on to.

18.8

RX_LOCK

Indicates the receive PLL has locked onto the received signal for the se-

lected speed of operation (10BASE-T or 100BASE-TX). This bit is set

whenever a cycle-slip occurs, and will remain set until it is read.

18.[7:4]

ARB_STATE

HIGHEST

Highest state of auto-negotiation state machine since reset on last read

operation.

TBD

18.[3:0]

ARB_STATE

LOWEST

Lowest state of auto-negotiation state machine since reset on last read

operation.

TBD

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