Cypress CY7C1524AV18 Manual De Usuario
CY7C1522AV18, CY7C1529AV18
CY7C1523AV18, CY7C1524AV18
CY7C1523AV18, CY7C1524AV18
Document #: 001-06981 Rev. *D
Page 14 of 30
TAP Controller State Diagram
The state diagram for the TAP controller follows.
[9]
TEST-LOGIC
RESET
TEST-LOGIC/
IDLE
SELECT
DR-SCAN
CAPTURE-DR
SHIFT-DR
EXIT1-DR
PAUSE-DR
EXIT2-DR
UPDATE-DR
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
SELECT
IR-SCAN
CAPTURE-IR
SHIFT-IR
EXIT1-IR
PAUSE-IR
EXIT2-IR
UPDATE-IR
Note
9. The 0/1 next to each state represents the value at TMS at the rising edge of TCK.