TLK10232 datasheet(76/102 Pages) TI

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TLK10232

SLLSEE1 – MAY 2013

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8.3

PCS Registers

The registers below can be accessed only in Clause 45 mode and with device address field set to 0x03

(DEVADD [4:0] = 5’b00011). Valid only when device is in 10GBASE-KR mode.

Table 8-104. PCS_CONTROL

Device Address: 0x03 SPACER Register Address: 0x0000 SPACER Default: 0x0000

Bit(s)

Name

Description

Access

PCS_RESET

1 = Resets datapath and MDIO registers of all channels. Equivalent to asserting

RW/SC

(R)

RESET_N.

0 = Normal operation (Default 1’b0)

PCS_LOOPBACK

1 = Enables PCS loopback

(R)

0 = Normal operation (Default 1’b0)

Requires Auto Negotiation and Link Training to be disabled.

13:12

RESERVED

For TI use only. Always reads 0.

PCS_LP_MODE

1 = Enable power down mode

(R)

0 = Normal operation (Default 1’b0)

10:0

RESERVED

For TI use only. Always reads 0.

Table 8-105. PCS_STATUS_1

Device Address: 0x03 SPACER Register Address: 0x0001 SPACER Default: 0x0002

Bit(s)

Name

Description

Access

PCS_FAULT

1 = Fault condition detected on either PCS TX or PCS RX

(R)

0 = No fault condition detected

This bit is cleared after Register 03.0008 is read and no fault condition occurs

after 03.0008 is read.

PCS_RX_LINK

1 = PCS receive link is up

RO/LL

(R)

0 = PCS receive link is down

PCS_LP_ABILITY

Always reads 1.

(R)

1 = Supports low power mode

0 = Does not support low power mode

Table 8-106. PCS_STATUS_2

Device Address: 0x03 SPACER Register Address: 0x0008 SPACER Default: 0x8001

Bit(s)

Name

Description

Access

15:14

DEV_PRESENT

Always reads 2’b10.

(R)

0x = No device responding at this address

10 = Device responding at this address

11 = No device responding at this address

PCS_TX_FAULT

1 = Fault condition detected on transmit path

RO/LH

(R)

0 = No fault condition detected on transmit path

PCS_RX_FAULT

1 = Fault condition detected on receive path

RO/LH

(R)

0 = No fault condition detected on receive path

PCS_10GBASER_CAPABLE

Always reads 1.

(R)

1 = PCS is able to support 10GBASE-R PCS type

0 = PCS not able to support 10GBASE-R PCS type

Table 8-107. KR_PCS_STATUS_1

Device Address: 0x03 SPACER Register Address: 0x0020 SPACER Default: 0x0004

Bit(s)

Name

Description

Access

PCS_RX_LINK_STATUS

1 = 10GBASE-R PCS receive link up

(R)

0 = 10GBASE-R PCS receive link down

PCS_PRBS31_ABILITY

Always reads 1.

(R)

1 = PCS is able to support PRBS31 pattern testing

0 = PCS is not able to support PRBS31 testing

DEVICE REGISTERS

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