Motorola MPC8260 PowerQUICC II User Manual page 396

Part III. The Hardware Interface
1 Ñ EXTEST | Clamp
0 Ñ Otherwise
G1
Data from
System
Logic
Data to
System
Logic
Figure 12-4. Observe-Only Input Pin Cell (I.Obs)
12-4
Shift DR
1
MUX
1
From Last Cell
Figure 12-3. Output Pin Cell (O.Pin)
To Next Cell
D
C
Clock DR
MPC8260 PowerQUICC II UserÕs Manual
To Next Cell
G1
1
D
MUX
C
1
Clock DR
G1
1
MUX
1
From Last Cell
To Output
Buffer
D
C
Update DR
Input
Pin
Shift DR
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