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NJU3554

4-BIT SINGLE CHIP OTP MICRO CONTROLLER

Japan Radio Corporation  

NJU3554

[ CIRCUIT TYPE TABLE 2 ]

SYMBOL

Input / Output

Terminal*1

TERMINAL TYPES

EXTRA FUNCTION

REMARKS

PF0

ISP OC

IS

PF1

ISP OC

IS

PF2

ISP OC

IS

PG0

ISP OC

IS

PG1

ISP OC

IS

PH0

ISP OC

Restart signal input

IS

PH1

ISP OC

IS

Edge detection

R Rise edge detection

F Fall edge detection

AIN0 / PI0

ICP

IC

AD Analog input to ADC

(AIN0)

AIN1 / PI1

ICP

IC

AD Analog input to ADC

(AIN1)

AIN2 / PI2

ICP

IC

AD Analog input to ADC

(AIN2)

AIN3 / PI3

ICP

IC

AD Analog input to ADC

(AIN3)

VREF / PJ0

ISP

IS

AD Reference input

(VREF)

ADCK / PJ1 ISP

*2 IS

ACP External clock input

AC (ADCK)

EXTI / PK0 ISP

*2 IS

IIP External interrupt input

II (EXTI)

R Rise interrupt input

F Fall interrupt input

CNTI / PK1 ISP

*2 IS

IIP External clock of Timer 2 input

II (CNTI)

SDO / PL0

OC

SO Serial data output

MSB MSB first

SDI(O) / PL1 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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