NJU3151 データシートの表示（PDF） - Japan Radio Corporation

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NJU3151

4-BIT SINGLE CHIP OTP TINY CONTROLLER

Japan Radio Corporation  

NJU3151

s OPTION as same as mask version (NJU3101)

1) INPUT OUTPUT Terminal Selection

All of input-output terminals select a terminal type from the following table for each group as a PORT by

the mask option.

[ CIRCUIT TYPE TABLE ]

SYMBOL

Input / Output

Terminal*1

TERMINAL TYPES

EXTRA FUNCTION

REMARKS

Port A

ICP OC

(PA0～PA3) IC

Port B

ICP ONP

(PB0) IC ON

Port C

ICP ONP

(PC0) IC ON

Port D (PD0, ICP OC

Restart signal input *2

PD1) IC

Edge detection *2

R Rise edge detection

F Fall edge detection

Port E

ISP OC

(PE0, PE1) IS

Note) The symbol in the above table is the same as in mask option generator software.

*1) The symbol and the detail circuits of INPUT OUTPUT TERMINAL are written in INPUT OUTPUT

TERMINAL TYPE.

*2) When the PORTD(PHY4) is set as the input, the extra function are added for terminals.

[MASK OPTION LIST]

記号

機能

ICP C-MOS input with pull-up resistance

ISP

C-MOS Schmitt trigger input

with pull-up resistance

IC C-MOS input

IS

ONP

OC

C-MOS Schmitt trigger input

Nch-FET Open-Drain output

with pull-up resistance

C-MOS output

ON Nch-FET Open-Drain output

R Rise edge detection

F Fall edge detection

-9-

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