5-143
(4) XOR (5) Set priority flip-flop
Output
Input 1
Input 2
General-purpose timer
OutputInput 1
Input 2
General-purpose timer
S
Q
R
Flip-flop
(6) Reset priority flip-flop
OutputInput 1
Input 2
General-purpose timer
SQ
R
Flip-flop
(7) Rising edge detection (8) Falling edge detection (9) Both edges detection
Output
Input 1
Input 2
General-purpose timerRising edge detection
OutputInput 1
Input 2
General-purpose timerFalling edge detection
Output
Input 1
Input 2
General-purpose timerBoth edges detection
(10) Hold (11) Increment counter (12) Decrement counter
Output
Input 1
Input 2
General-purpose timer
= 0
= 1
Output
Input 1
Input 2
Increment counter
Clear counter
Output
Input 1
Input 2
Decrement counter
Initialize the
counter
(13) Timer with reset input
Output
Input 1
Input 2
ON timer
Reset
Timer
Output
Timer period
ON OFFOFF
OFF ON
Input 1
Input 2
OFF
OFF
ON OFF
ON OFF ON OFF
ON OFF
ON OFF
Input 1 Input 2
Previous
output
Output Remarks
OFF OFF
Hold previous
value
OFF OFF
ON ON
－
ON
－
OFF Reset priority
ON OFF
－
ON
Input 1 Input 2
Previous
output
Output Remarks
OFF OFF
Hold previous
value
OFF
ON ON
OFF
ON
－
OFF
ON
－ －
ON Set priority
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