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●
Selector 0
The Selector 0 is used to select from either WTIN1 of the Position Detect Circuit or external pin (P15/
INT5/TIN0) to enable the count of the 16-bit Reload Timer 0.
●
Selector 1
The Selector 1 is used to select from among Write OPDBR or TOUT of 16-bit Reload timer 0 or WTIN1 of
Position Detect Circuit to generate the Write Timing signal (WTO).
●
Falling Edge Detector
The Falling Edge Detector is used to detect the falling edge of the 16-bit Reload Timer 0 output (TOUT).
●
Rising and Falling Edge Detector
The Rising and Falling Edge Detector is used to detect the rising and falling edge of the 16-bit Reload
Timer 0 output (TOUT).
When timer underflow trigger is used in following modes, the WTIN0 signal is generated by the trigger
edge selected by OPS2 to OPS0 bits:
Table 15.2-1 TOUT Trigger Edge Selection for WTIN0
OPS2
0
0
0
0
1
1
1
1
OPS1
OPS0
0
0
1
0
1
0
1
1
0
0
0
1
1
0
1
1
CHAPTER 15 MULTI-PULSE GENERATOR
TOUT Trigger Edge for WTIN0
-
Rise and Fall
-
Fall
Rise and Fall
Rise and Fall
-
Fall
365
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