W79E217A Datasheet, PDF (128/207 Pages) Winbond – 8-bit Microcontroller

Preliminary W79E217A Data Sheet
Figure 15-3: Input Capture 2 block diagram
Note: When QEI enabled (QEIEN=1), input capture 2 (IC2) still can detect edge changes.
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The following table shows the bits setting for enabling input capture 2 edge detection.
QEIEN
DISIDX
ICEN2
INPUT CAPTURE 2 EDGE DETECTION
0
Disabled.
0
X(don’t care)
1
Enabled.
1
0
0
Disabled.
1
Enabled.
1
1
X
Disabled,
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Publication Release Date: December 14, 2007
Revision A3.0