Cypress Quad HOTLink II CYV15G0404RB User Manual

Page 18

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CYV15G0404RB

Document #: 38-02102 Rev. *C

Page 18 of 27

Figure 2. Receive BIST State Machine

Receive BIST

Detected LOW

Monitor Data

Received

{BISTSTx, RXDx[0],

No

RX PLL

Out of Lock

Yes, {BISTSTx, RXDx[0], RXDx[1]} =

BIST_DATA_COMPARE (000, 001)

Compare

Next Character

Auto-Abort

Condition

Mismatch

End-of-BIST

State

Yes, {BISTSTx, RXDx[0], RXDx[1]} =

BIST_LAST_BAD (100)

Yes

No

No, {BISTSTx, RXDx[0], RXDx[1]} =

BIST_ERROR (110)

Match

End-of-BIST

State

Yes, {BISTSTx, RXDx[0], RXDx[1]} =

BIST_LAST_GOOD (010)

No

{BISTSTx, RXDx[0], RXDx[1]} =

BIST_DATA_COMPARE (000, 001)

Start of

BIST Detected

{BISTSTx, RXDx[0], RXDx[1]} =

BIST_WAIT (111)

BIST_START (101)

RXDx[1]} =

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