Renesas H8S/2100 Series Hardware Manual page 334

6-bit single-chip microcomputer

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Section 11 16-Bit Cycle Measurement Timer (TCM)

Cycle measurement stops if MAXOVF/MINUDF is set to 1 while the CPSPE bit in TCMCR is set

to 1. Subsequently clearing MAXOVF/MINUDF to 0 restarts cycle measurement. In this case, the

external event can be considered to have stopped if a timer overflow is generated before detection

of the first edge.

Figure 11.11 shows an example of the timing of the external event stopped state (2).

Figure 11.11 Example of Timing in External Event Stopped State (2)

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Restart of mesurement

Start of measurement

Determined as external event stopped state