NEC UPD703116 User Manual page 397

32-bit single-chip microcontrollers

Table of Contents

Figure 9-101. Cycle Measurement Operation Timing Example

Note When an overflow occurs once

Remarks 1. D0 to D3: TM3 register count values

t: Count clock cycle

2. In this example, the valid edge of INTP30 input has been set to both edges (rising and falling).

CHAPTER 9 TIMER/COUNTER FUNCTION

(D1 – D0) × t

{(10000H – D1) + D2} × t

User's Manual U14492EJ5V0UD

Overflow occurs

(D3 – D2) × t