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Número de pieza

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NJU3552

4-BIT SINGLE CHIP OTP MICRO CONTROLLER

Japan Radio Corporation  

NJU3552

[ CIRCUIT TYPE TABLE 2 ]

SYMBOL

Input / Output

Terminal*1

TERMINAL TYPES

EXTRA FUNCTION

REMARKS

PD0

ISP OC

Restart signal input

IS

PD1

ISP OC

IS

Edge detection

R Rise edge detection

F Fall edge detection

EXTI / PE0 ISP

*2 IS

IIP External interrupt input

II (EXTI)

SDO / PF0

OC

SO Serial data output

MSB MSB first

SDI(O) / PF1 ICP OC

*2 IC

SDP Serial data input/output

SD

LSB LSB first

SCK / CKOUT

*2 *3

SCP

SC

-

Serial clock input/output

Output clock divide

by pre-scaler

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) The pull-up resistance is added to the terminal selected as the extra function.

*3) When Serial INPUT-OUTPUT is selected, “SCK” is selected automatically. When it is not selected,

“CKOUT” is selected automatically.

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