NEC uPD78P078 - Manual (Page 218)

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CHAPTER 8 16-BIT TIMER/EVENT COUNTER
Figure 8-34. Timing of One-Shot Pulse Output Operation Using
External Trigger (With Rising Edge Specified)
Caution The 16-bit timer register starts operation at the moment a value other than 0, 0, 0 (operation
stop mode) is set to TMC01 to TMC03, respectively.
Count Clock
TM0 Count Value
CR01 Set Value
CR00 Set Value
INTTM01
TI00 Pin Input
INTTM00
TO0 Pin Output
0000 0001 0000 N N + 1 N + 2 M – 2 M – 1 M M + 1 M + 2 M + 3
N
M
N
M
N
M
N
M
Set 08H to TMC0
(TM0 count start)