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R01UH0336EJ0102 Rev.1.02
Page 644 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 14 Timer Array Unit J (TAUJ)
14.11 TAUJnTTINm Edge Detection
The TAUJnTTINm edge is detected at the rising edge of a sampling clock. A
delay of one sampling clock cycle or less may occur.
The following figure shows when edge detection takes place.
Figure 14-11
Basic Edge Detection Timing
Caution
Figure 14-11, Basic Edge Detection Timing, shows an image of operation
timing. In the actual operation, delay time occurs due to noise filter and
synchronization circuit between the TAUJnIm pin and TAUJn.
•
When the noise filter is used
Delay time at the noise delay time in edge detection (maximum 1
sampling clock)
•
When the noise filter is not used
Delay time at the synchronization circuit (maximum 2 PLCK) + delay time in
edge detection (maximum 1 sampling clock)
PCLK
Sampling clock
Rising edge detection
Falling edge detection
TAUJnTTINm
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