NJU3505L データシートの表示（PDF） - Japan Radio Corporation

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NJU3505L

4-BIT SINGLE CHIP MICRO CONTROLLER

Japan Radio Corporation  

NJU3505

s TERMINAL DESCRIPTION 3

No.

NJU NJU

SYMBOL INPUT/OUTPUT

FUNCTION

3505F 3505L

24 27

SCK /

CKOUT

SCK :INOUT Selects a function of either of 1) or 2) by the mask option.

CKOUT :

1) Serial Clock Input or Output Terminal with Pull-up

OUTPUT Resistance. (SCP, SC)

2) Clock Divided by Prescaler Output Terminal.

Selects the dividing times of the clock in the prescaler by

the mask option.

25 28

26 29

27 30

28 31

AIN4/PA0

AIN5/PA1

AIN6/PA2

AIN7/PA3

PA0: INOUT

AIN4: INPUT

PA1: INOUT

AIN5: INPUT

PA2: INOUT

AIN6: INPUT

PA3: INOUT

AIN7: INPUT

4-bit Programmable Input / Output PORTA.

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

mask option.

1) 4-bit Analog Input to A/D Converter. (AD)

2) 4-bit Input / Output Terminals as PORTA.

These 4-bit terminals direction can be changed by the

program as 4-Input or 4-Output.

Use of Pull-up resistance for a terminal is in accordance

with the mask option.

•as Input : C-MOS Input Terminals (IOP)

•as Output: Nch-FET Open-Drain Output Terminals (IO)

29 32

PB0

30 33

PB1

31 34

PB2

32 35

PB3

INOUT

4-bit Programmable Input / Output PORTB.

These 4-bit terminals direction can be changed by the

program as 4-Input or 4-Output.

Use of Pull-up resistance for a terminal is in accordance

with the mask option.

•as Input : C-MOS Input Terminals (IOP)

•as Output: Nch-FET Open-Drain Output Terminals (IO)

33 36

34 37

35 38

VDD

–

Power Source (2.4V − 5.5V)

PC0

INPUT/OUTPUT 2-bit Input / Output PORTC.

PC1

Selects a terminal circuit for each port from the following

by the mask option.

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

•C-MOS Input Terminal (IC)

•Nch-FET Open-Drain Output Terminal with Pull-up

Resistance (ONP)

•Nch-FET Open-Drain Output Terminal (ON)

36 39

37 40

38 41

39 42

PD0

INPUT/OUTPUT 4-bit Input / Output PORTD.

PD1

Selects a terminal circuit for each port from the following

PD2

by the mask option.

PD3

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

•C-MOS Input Terminal (IC)

•C-MOS Output Terminal (OC)

40 1

41 2

42 3

43 4

PE0

INPUT/OUTPUT 4-bit Input / Output PORTE.

PE1

Selects a terminal circuit for each port from the following

PE2

by the mask option.

PE3

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

•C-MOS Input Terminal (IC)

•C-MOS Output Terminal (OC)

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

INOUT : Input or Output is changed by the program.

“AD, IC, ICP, II, IIP, IO, IOP, IS, ISP, OC, ON, ONP, SC, SCP, SD, SDP, SO” are symbols using on MASK

OPTION GENERATOR(MOG).

-6-

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