UPD75212ACW データシートの表示（PDF） - NEC => Renesas Technology

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UPD75212ACW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75212A

8. RESET FUNCTIONS

The reset signal (RES) generator has a configuration shown in Fig. 8-1.

Fig. 8-1 Reset Signal Generator

RESET

Power-On

Reset

Generator

Mask

Option

SWB

SWA

Internal Reset Signal

(RES)

Power-On Flag

(PONF)

Bit

Manipulation

Instruction

Execution

The power-on reset generator is a circuit to generate a one-shot pulse upon detection of the start-up of the power

voltage. This pulse is used in the following three ways according to SWA, SWB mask option specification shown

in Fig. 8-1. (Refer to 10. MASK OPTION SELECTION.)

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