Example Where Input Of No Valid Edge Cannot Be Distinguished From Input Of Only One Valid Edge With External Event Counter; How To Distinguish Input Of No Valid Edge From Input Of Only One Valid Edge With External Event Counter - NEC PD78212 User Manual

Fig. 7-77 Example Where Input of No Valid Edge Cannot Be Distinguished from Input of Only One Valid Edge
with External Event Counter
TM2
Fig. 7-78 How to Distinguish Input of No Valid Edge from Input of Only One Valid Edge
with External Event Counter
CI
0 0
Cannot be distinguished
Count starts
(a) Count start processing
Clear INTP2 interrupt
request flag
Chapter 7 Timer/Counter Units
1
Count starts
; Clears PIF2 (0)
IF0L.2←0
Start counting
; Sets CE2 (1)
TMC1.7←1
End
2
7
173