Rainbow Electronics ATmega162V - Manual (Page 208)

208
ATmega162/V
2513E–AVR–09/03
Figure 87. 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