CY7C1146V18, CY7C1157V18

CY7C1148V18, CY7C1150V18

TAP Controller State Diagram

Figure 2 shows the tap controller state diagram. [10]

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

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

Document Number: 001-06621 Rev. *D

Page 14 of 27

[+] Feedback

Page 14
Image 14
Cypress CY7C1150V18, CY7C1148V18, CY7C1146V18 manual TAP Controller State Diagram, Shows the tap controller state diagram