CY7C1166V18, CY7C1177V18

CY7C1168V18, CY7C1170V18

TAP Controller State Diagram

Figure 2 shows the tap controller state diagram. [9]

Figure 2. Tap Controller State Diagram

1

0

TEST-LOGIC RESET

0

TEST-LOGIC/ IDLE

1

SELECT

 

1

SELECT

 

1

 

 

 

 

DR-SCAN

 

 

IR-SCAN

 

 

0

 

 

0

 

 

 

1

 

 

1

 

 

 

CAPTURE-DR

 

CAPTURE-IR

 

 

0

 

 

0

 

 

 

SHIFT-DR

 

0

SHIFT-IR

 

0

 

1

 

 

1

 

 

 

EXIT1-DR

 

1

EXIT1-IR

 

1

 

 

 

 

 

 

0

 

 

0

 

 

 

PAUSE-DR

0

PAUSE-IR

 

0

 

1

 

 

1

 

 

 

0

 

 

0

 

 

 

EXIT2-DR

 

 

EXIT2-IR

 

 

 

1

 

 

1

 

 

 

UPDATE-DR

 

UPDATE-IR

 

 

1

0

 

1

0

 

 

 

 

 

 

Note

9. The 0/1 next to each state represents the value at TMS at the rising edge of TCK.

Document Number: 001-06620 Rev. *D

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Cypress CY7C1177V18, CY7C1168V18, CY7C1166V18 manual TAP Controller State Diagram, Shows the tap controller state diagram