NJU3501 データシートの表示（PDF） - Japan Radio Corporation

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NJU3501

4-BIT SINGLE CHIP MICRO CONTROLLER

Japan Radio Corporation  

NJU3501

n TERMINAL DESCRIPTION 2

No. SYMBOL INPUT/OUTPUT

FUNCTION

17 SDO / PC0 SDO :OUTPUT 3-bit Input / Output PORTC.

18 SDI(O) / PC1 SDI(O) :INOUT Selects a function of either 1) or 2) for PORTC by the mask

19 SCK / PC2 SCK :INOUT option.

1) Serial Interface Function.

PC0 to PC2 :

Serial Data Output Terminal : SDO

INPUT/OUTPUT Serial Data Input-Output Terminal with Pull-up

Resistance : SDI(O)

Serial Clock Input or Output Terminal with Pull-up

Resistance : SCK

2) 3-bit Input / Output Terminal PORTC.

Selects a terminal circuit for each port from follows by the

mask option.

xC-MOS Input Terminal with Pull-up Resistance(IA)

xC-MOS Input Terminal(IC)

xC-MOS Output Terminal(OB)

20

VDD

–

Power Source (2.4V to 5.5V)

Note ) INPUT/OUTPUT : Input or Output is selected by the mask option.

INOUT

: Input or Output is changed by the program.

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