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

部品番号

コンポーネント説明

メーカー

UPD75212ACW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75212A

5.9 POWER-ON FLAG (MASK OPTION)

The power-on flag (PONF) is automatically set (1) when the power-on reset circuit is activated and the power-

on reset signal is generated (See Fig. 8-1 Reset Signal Generator).

The PONF is mapped at bit 0 of address FD1H in the data memory space and can be tested by the memory bit

manipulation instructions (SKT, SKF, SKTCLR) or cleared (CLR1).

Note The PONF cannot be set by SET1 instruction.

27

Share Link: