D78054 Просмотр технического описания (PDF) - NEC => Renesas Technology

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производитель

D78054

8-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD78001B(A), 78002B(A)

Fig. 5-3 Watch Timer Block Diagram

fX/28

fXT

Selector fW

Prescaler

fW fW fW fW fW fW

24 25 26 27 28 29

Selector

5-Bit Counter

fW

214

Selector

fW

213

INTWT

Selector

INTTM3

Fig. 5-4 Watchdog Timer Block Diagram

fW

Prescaler

24

fW fW fW fW fW fW fW

25 26 27 28 29 210 212

Selector

8-Bit Counter

Control

Circuit

INTWDT

Maskable

Interrupt Request

RESET

INTWDT

Non-Maskable

Interrupt Request

19

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