Cypress CY7C1166V18 - Manual (Page 14)

CY7C1166V18, CY7C1177V18
CY7C1168V18, CY7C1170V18
Document Number: 001-06620 Rev. *D Page 14 of 27
TAP Controller State Diagram
Figure 2 shows the tap controller state diagram.
[9]
Figure 2. Tap Controller State Diagram
TEST-LOGIC
RESET
TEST-LOGIC/
IDLE SELECT
DR-SCAN
CAPTURE-DR
SHIFT-DR
EXIT1-DR
PAUSE-DR
EXIT2-DR
UPDATE-DR
SELECT
IR-SCAN
CAPTURE-IR
SHIFT-IR
EXIT1-IR
PAUSE-IR
EXIT2-IR
UPDATE-IR
1
0
1
1
0
1
0
1
0
0
0
1
1
1
0
1
0
1
0
0
0
1
0
1
1
0
1
0
0
1
1
0
Note
9. The 0/1 next to each state represents the value at TMS at the rising edge of TCK.
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