AR8327-AL1A-R datasheet(365/394 Pages) ETC2

365 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

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Table 3-385.

Status Register

3.10.21 Virtual Cable Tester Control Register

Address Offset: 0x16, or 0d22

Table 3-386, “Virtual Cable Tester Contol Register,” on page 365 summarizes the Register

Table 3-386.

Virtual Cable Tester Contol Register

3.10.22 Virtual Cable Tester Status Register

Address Offset: 0x1C, or 0d28

Table 3-387, “Virtual Cable Tester Status Register,” on page 366 summarizes the Register

Bit

Symbol

Type

Description

15:0

Receive Error

Count

Mode

Counter will peg at 0xFFFF and will not roll over.

(when rx_dv is valid, count rx_er numbers)

(in this version, only for 100Base-T and 1000Base-T)

HW Rst

0x0000

SW Rst

Retain

Bit

Symbol

Type

Description

15:10

Reserved

Mode

Reserved

HW Rst

Always 0

SW Rst

Always 0

9:8

MDI Pair Select

Mode

R/W

Virtual Cable Tester™ Control registers. Use the

Virtual Cable Tester Control Registers to select which

MDI pair is shown in the Virtual Cable Tester Status

00 = MDI[0] pair

01 = MDI[1] pair

10 = MDI[2] pair

11 = MDI[3] pair

HW Rst

SW Rst

Retain

7:1

Reserved

Mode

Always 0.

HW Rst

SW Rst

Enable Test

Mode

R/W

When set, hardware automatically disable this bit

when VCT is done.

1 = Enable VCT Test

0 = Disable VCT Test

HW Rst

SW Rst

Retain

AR8327-AL1A-R Datasheet(PDF) 365 Page - List of Unclassifed Manufacturers

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