Datasheet

CY7C1292DV18
CY7C1294DV18
Document #: 001-00350 Rev. *E Page 13 of 26
TAP Controller State Diagram
The state diagram for the TAP controller follows.
[10]
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
10. The 0/1 next to each state represents the value at TMS at the rising edge of TCK.