NJU3504FA1 查看數據表（PDF） - Japan Radio Corporation

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NJU3504FA1

4-BIT SINGLE CHIP MICRO CONTROLLER

Japan Radio Corporation  

NJU3504

s TERMINAL DESCRIPTION 2

No.

NJU NJU

3504F 3504L

13 16

14 17

15 18

16 19

18 21

17 20

19 22

20 23

21 24

22 25

23 26

Note )

SYMBOL INPUT/OUTPUT

FUNCTION

AIN0 / PI0

INPUT

3-bit Input PORTI.

AIN1 / PI1

INPUT

Selects a function of either of 1) or 2) for PORTI by the

AIN2 / PI2

AIN3 / PI3

INPUT

INPUT

mask option.

1) 4-channel Analog Input to A/D Converter.

2) 4-bit Input Terminals as PORTI.

Selects a terminal circuit for each port from the following

by the mask option.

•C-MOS Input Terminal with Pull-up Resistance(IA)

•C-MOS Input Terminal(IC)

AVDD

–

Analog Block Power source

Connect to VDD terminal when A/D converter is not used.

VREF / PJ0

ADCK / PJ1

INPUT

INPUT

2-bit Input PORTJ.

Selects a function of either of 1) or 2) for PORTJ by the

mask option.

1) Input terminal for A/D Converter.

Reference Voltage Input Terminal : VREF

External Clock Input Terminal : ADCK

2) 2-bit Input Terminals as PORTJ.

Selects a terminal circuit for each port from the following

by the mask option.

•C-MOS Schmitt Trigger Input Terminal with Pull-up

Resistance(IB)

•C-MOS Schmitt Trigger Input Terminal(ID)

EXTI / PK0

INPUT

2-bit Input PORTK.

CNTI / PK1

INPUT

Selects a function of either of 1) or 2) for PORTK by the

mask option.

1) External Interrupt Input Terminal with Pull up

resistance :EXTI

External Clock Input Terminal with Pull up resistance

for Timer2 :CNTI

2) 2-bit Input Terminals as PORTK.

Selects a terminal circuit for each port from the following

by the mask option.

•C-MOS Schmitt Trigger Input Terminal with

Pull-up Resistance(IB)

•C-MOS Schmitt Trigger Input Terminal(ID)

SDO / PL0 SDO :OUTPUT 2-bit Input / Output PORTL.

SDI(O) / PL1

PL0 :OUTPUT Selects a function of either of 1) or 2) for PORTL by the

SDI(O) :INOUT mask option.

PL1 :

1) Serial Interface Function

INPUT/OUTPUT

Serial Data Output Terminal : SDO

Serial Data Input-Output Terminal with Pull-up

Resistance : SDI(O)

2) 2-bit Input / Output Terminals as PORTL.

Selects a terminal circuit for each port from the following

by the mask option.

•C-MOS Input Terminal with Pull-up Resistance (IA)

:PL1

•C-MOS Input Terminal(IC):PL1

•C-MOS Output Terminal(OB):PL0,PL1

INPUT/OUTPUT : Input or Output is selected by the mask option.

INOUT

: Input or Output is changed by the program.

-5-

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