CY7C1318CV18

CY7C1320CV18

TAP Controller State Diagram

The state diagram for the TAP controller follows.[9]

1

0

TEST-LOGIC RESET

0

TEST-LOGIC/ IDLE

1

 

1

1

SELECT

SELECT

 

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

 

1

 

0

 

0

 

Note

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

Document Number: 001-07160 Rev. *F

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Cypress CY7C1320CV18-200BZC, 001-07160 manual TAP Controller State Diagram, State diagram for the TAP controller follows.9