Intel 8XC196MC Benutzerhandbuch
8XC196MC, MD, MH USER’S MANUAL
11-8
Figure 11-3. Quadrature Mode Interface
Table 11-4. Quadrature Mode Truth Table
State of X_internal
(T1CLK)
State of Y_internal
(T1DIR)
Count Direction
↑
0
Increment
↓
1
Increment
0
↓
Increment
1
↑
Increment
↓
0
Decrement
↑
1
Decrement
0
↑
Decrement
1
↓
Decrement
Optical
Reader
T1DIR
T1CLK
D Q
D Q
D Q
D Q
D Q
D Q
X_internal
Y_internal
PH2
PH1
MCS
®
96 Microcontroller
Increment
Decrement
X
Y
A1550-01