參數(shù)資料
型號: UPD75212ACW
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數(shù): 27/70頁
文件大?。?/td> 516K
代理商: UPD75212ACW
27
μ
PD75212A
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.
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