HM62G18512 Series
TAP Controller Instruction Set
IR2
IR1
IR0
Instruction
Operation
0
0
0
SAMPLE-Z
Tristate all data drivers and capture the pad value
0
0
1
IDCODE
0
1
0
SAMPLE-Z
Tristate all data drivers and capture the pad value
0
1
1
BYPASS
1
0
0
SAMPLE
1
0
1
BYPASS
1
1
0
BYPASS
1
1
1
BYPASS
Note: This Device does not perform EXTEST, INTEST or the preload portion of the PRELOAD command
in IEEE 1149.1.
19