Intel 8XC196NP Manuel D’Utilisation
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10-7
EVENT PROCESSOR ARRAY (EPA)
Figure 10-3. Quadrature Mode Interface
Table 10-3. Quadrature Mode Truth Table
State of X_internal
(T
x
CLK)
State of Y_internal
(T
x
DIR)
Count Direction
↑
0
Increment
↓
1
Increment
0
↓
Increment
1
↑
Increment
↓
0
Decrement
↑
1
Decrement
0
↑
Decrement
1
↓
Decrement
Optical
Reader
T
xDIR
T
xCLK
D Q
D Q
D Q
D Q
D Q
D Q
X_internal
Y_internal
PH2
PH1
8XC196 Device
Increment
Decrement
X
Y
A0268-02