Rainbow Electronics ATmega3290P_V User Manual
Page 247
247
ATmega329/3290/649/6490
2552H–AVR–11/06
Figure 110. Boundary-scan Cell for Bi-directional Port Pin with Pull-up Function.
D
Q
D
Q
G
0
1
0
1
D
Q
D
Q
G
0
1
0
1
0
1
0
1
D
Q
D
Q
G
0
1
Port Pin (PXn)
Vcc
EXTEST
To Next Cell
ShiftDR
Output Control (OC)
Pullup Enable (PUE)
Output Data (OD)
Input Data (ID)
From Last Cell
UpdateDR
ClockDR
FF2
LD2
FF1
LD1
LD0
FF0
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