Section 13 Watchdog Timer (WDT)
Rev. 2.00 Mar 09, 2006 page 553 of 906
REJ09B0292-0200
13.3.4
Timing of Overflow Flag (OVF) Setting
In interval timer mode, when WTCNT overflows, the OVF flag in WTCSR is set to 1 and an
interval timer interrupt (ITI) is requested (figure 13.6).
WTCNT
H'FF
H'00
Overflow signal
(internal signal)
OVF
Figure 13.6 Timing of OVF Setting
13.3.5
Timing of Watchdog Timer Overflow Flag (WOVF) Setting
When WTCNT overflows the WOVF flag in RSTCSR is set to 1 and a
WDTOVF
signal is output.
When the RSTE bit is set to 1, WTCNT overflow enables an internal reset signal to be generated
for the entire chip (figure 13.7).
WTCNT
H'FF
H'00
Overflow signal
(internal signal)
WOVF
Figure 13.7 Timing of WOVF Setting
Содержание SH7616
Страница 10: ...Rev 2 00 Mar 09 2006 page x of xxvi ...
Страница 132: ...Section 2 CPU Rev 2 00 Mar 09 2006 page 106 of 906 REJ09B0292 0200 ...
Страница 568: ...Section 12 16 Bit Free Running Timer FRT Rev 2 00 Mar 09 2006 page 542 of 906 REJ09B0292 0200 ...
Страница 582: ...Section 13 Watchdog Timer WDT Rev 2 00 Mar 09 2006 page 556 of 906 REJ09B0292 0200 ...
Страница 662: ...Section 14 Serial Communication Interface with FIFO SCIF Rev 2 00 Mar 09 2006 page 636 of 906 REJ09B0292 0200 ...
Страница 706: ...Section 16 Serial I O SIO Rev 2 00 Mar 09 2006 page 680 of 906 REJ09B0292 0200 ...
Страница 820: ...Section 19 Pin Function Controller PFC Rev 2 00 Mar 09 2006 page 794 of 906 REJ09B0292 0200 ...
Страница 932: ...Appendix D Package Dimensions Rev 2 00 Mar 09 2006 page 906 of 906 REJ09B0292 0200 ...
Страница 935: ...SH7616 Hardware Manual ...