TLK10232 datasheet(12/102 Pages) TI

12 / 102 page

Loss Of Sync

(Enable Alignment)

Sync Status Not Ok

Reset | LOS(Loss of Signal)

Comma

No Comma

Comma Detect 1

(Disable Alignment)

Comma

!Comma & !Invalid Decode

Comma Detect 2

Comma

!Comma & !Invalid Decode

Comma Detect 3

Comma

!Comma & !Invalid Decode

Sync Acquired 1

(Sync Status Ok)

Sync Acquired 2

(good cgs = 0)

Sync Acquired 3

(good cgs = 0)

Sync Acquired 4

(good cgs = 0)

Invalid Decode

Invalid

Decode

Invalid

Decode

Invalid

Decode

Invalid

Decode

Sync Acquired 2A

good cgs++

!Invalid Decode &

good_cgs !=3

!invalid Decode &

good_cgs=3

Sync Acquired 4A

good cgs++

!Invalid Decode &

good_cgs !=3

!invalid Decode &

good_cgs=3

Sync Acquired 3A

good cgs++

!Invalid Decode &

good_cgs !=3

!invalid Decode &

good_cgs=3

Invalid Decode

Note:

If HS_CH_SYNC_HYSTERESIS[1:0] is equal to 2'b00), machine

operates as drawn.

If HS_CH_SYNC_HYSTERESIS[1:0] is equal to 2'b01/2'b10/2'b11,

then a transition from all Sync Acquired states occurs immediately

upon detection of 1, 2, or 3 adjacent invalid code words or

disparity errors respectively.

!Invalid

Decode

!Invalid

Decode

!Invalid

Decode

TLK10232

SLLSEE1 – MAY 2013

www.ti.com

Figure 3-2. Channel Synchronization Flowchart

10GBASE-KR MODE FUNCTIONAL DESCRIPTION

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