NJU3553 データシートの表示（PDF） - Japan Radio Corporation

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NJU3553

4-BIT SINGLE CHIP OTP MICRO CONTROLLER

Japan Radio Corporation  

NJU3553

s OPTION as same as mask version (NJU3503)

1) INPUT OUTPUT Terminal Selection

All of input-output terminals select a terminal type for each port from the following table1 and table2 by

the mask option.

[ CIRCUIT TYPE TABLE 1 ]

TERMINAL TYPES

Input / Output

Terminal*1

SYMBOL

EXTRA FUNCTION

REMARKS

PA0

IOP

IO

PA1

IOP

IO

PA2

IOP

IO

PA3

IOP

IO

PB0

ISP OC

IS

Restart signal input

E With restart input

D Without restart input

PB1

ISP OC

IS

Edge detection

R Rise edge detection

F Fall edge detection

D Without edge detection

PB2

ISP OC

IS

ADCK / PC0 ISP

*2 IS

ACP External clock input

AC (ADCK)

VREF / PC1

ISP

*2 IS

AD Reference input

(VREF)

AIN0 / PD0 ICP ONP

*2 IC ON

AD Analog input to ADC

(AIN0)

AIN1 / PD1 ICP ONP

*2 IC ON

AD Analog input to ADC

(AIN1)

AIN2/ PD2

ICP ONP

*2 IC ON

AD Analog input to ADC

(AIN2)

AIN3 / PD3 ICP ONP

*2 IC ON

AD Analog input to ADC

(AIN3)

AIN4 / PE0 ICP ONP

*2 IC ON

AD Analog input to ADC

(AIN4)

AIN5 / PE1 ICP ONP

*2 IC ON

AD Analog input to ADC

(AIN5)

PE2

ICP ONP

IC ON

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.

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