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UPD70F3201 Datasheet(PDF) 41 Page - NEC |
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UPD70F3201 Datasheet(HTML) 41 Page - NEC |
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41 / 98 page  Preliminary Product Information U15436EJ1V0PM 41 µµµµPD703201, 703201Y, 703204, 703204Y, 70F3201, 70F3201Y, 70F3204, 70F3204Y 11. WATCHDOG TIMER FUNCTION The watchdog timer has the following functions. Watchdog timer Interval timer Timer for oscillation stabilization The following figure shows the configuration of the watchdog timer function. OSCMD 13-bit divider RUN OSTS0 to OSTS2, WDCS0 to WDCS2 WDTM3, WDTM4 Clear Clear 8-bit counter Output control fXW fXW/213 fXW/212 fXW/211 fXW/210 fXW/29 fXW/28 fXW/27 fXW/26 fXW/25 OVF INTWDTM INTWDT WDTRES OSTOVF Remarks 1. WDTRES: Reset signal triggered by WDT overflow OSTOVF: Overflow signal for oscillation stabilization OSCMD: Timer mode signal for oscillation stabilization fXW: Watchdog timer clock frequency 2. During counting of oscillation stabilization time: fXW = fX/2 Other than above: fXW = fXX/2 |
Similar Part No. - UPD70F3201 |
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Similar Description - UPD70F3201 |
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