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NJU3502L

4-BIT SINGLE CHIP MICRO CONTROLLER

Japan Radio Corporation  

NJU3502

s INPUT OUTPUT TERMINAL TYPE

Each terminal of PORTA,B,C,D,E, and F can select a terminal type from the follows by the mask option which

is the same mask of the program coding in ROM and the others. But PORTE selects only the input terminal

type. PF0 of PORTF selects only the output terminal type.

[INPUT OUTPUT TERMINAL TYPES]

Types

With Pull-up

Without Pull-up

Terminals

C-MOS

Type IA

Type IC

PA0−PA3,

PC0−PC3,

SDI(O)/PF1

Type IB

SCHMITT

TRIGGER

Type ID

PD0, PD1,

EXTI/PE0

C-MOS

Type OA

N-channel (Nch)

OPEN DRAIN

Type OB

Type OC

PA0−PA3,

PC0−PC3,

PD0, PD1,

SDO/PF0,

SDI(O)/PF1

Type C

C-MOS INPUT/

N-channel (Nch)

OPEN DRAIN

OUTPUT

Type D

PB0−PB3

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