Maxim Integrated MAXQ7667 - Manual (Page 198)

11-9 __________________________________________________________________________________________________________
MAXQ7667 User’s Guide
Figure 11-4. TAP Controller Debug Mode—DR-Scan Example
OLD DATA NEW DATA
DATA REGISTER
TCK
TMS
TDI
TDO
CONTROL
STATE
SHIFT
REGISTER
PARALLEL
OUTPUT
INSTRUCTION
REGISTER
TDO
ENABLE
DON'T CARE OR UNDEFINED DON'T CARE OR UNDEFINED
DON'T CARE OR UNDEFINED
T
E
S
T
-L
O
G
IC
-R
E
S
E
T
R
U
N
-T
E
S
T
/ID
L
E
S
E
L
E
C
T
-D
R
-S
C
A
N
S
E
L
E
C
T
-D
R
-S
C
A
N
S
E
L
E
C
T
-I
R
-S
C
A
N
C
A
P
T
U
R
E
-D
R
S
H
IF
T
-D
R
S
H
IF
T
-D
R
E
X
IT
1
-D
R
E
X
IT
1
-D
R
U
P
D
A
T
E
-D
R
R
U
N
-T
E
S
T
/ID
L
E
E
X
IT
2
-D
R
P
A
U
S
E
-D
R