Interval Timer Operation - Renesas F-ZTAT H8 Series Hardware Manual

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reset signal

Interval Timer Operation

Figure 12.5 illustrates interval timer operation. To use the WDT as an interval timer, clear bit

WT/IT to 0 and set bit TME to 1 in TCSR. An interval timer interrupt request is generated at each

TCNT overflow. This function can be used to generate interval timer interrupts at regular

H'00 written

Figure 12.4 Watchdog Timer Operation

Figure 12.5 Interval Timer Operation

Section 12 Watchdog Timer

WDT overflow

TME set to 1

Rev. 3.00 Mar 21, 2006 page 431 of 814

H'00 written

REJ09B0302-0300