HD404392FP datasheet(10/100 Pages) HITACHI

Part #	HD404392FP

Description	4-bit microcomputers

Download	100 Pages

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Manufacturer	HITACHI [Hitachi Semiconductor]

Direct Link	http://www.renesas.com/eng

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10 / 100 page

HD404344R Series/HD404394 Series

10

Pin Description

HD404344R Series, HD4074344

Pin Number

Item

Symbol

DP-28S/

FP-28DA FP-30D Chip

I/O

Function

Power supply

V

CC

16

18

14, 15

Applies power voltage

GND

11

8, 9

Connects to ground

Test

TEST

17

19

16

I

Cannot be used in user applications.

Connect this pin to GND.

Reset

RESET

18

20

17

I

Resets the MCU

Oscillator

OSC

1

9

6

I

Input/output pins for the internal

oscillator. Connect these pins to the

ceramic oscillator, or OSC

1 to an external

oscillator circuit.

OSC

2

10

7

O

Port

D

0–D 5

23–28

25–30

22–27

I/O

Input/output pins addressed individually

by bits; pins D

1 and D 2 can sink 15 mA

max.

R0

0–R0 3,

R1

0–R1 3,

R2

0–R2 3,

R3

0–R3 3

1–8,

12–15

19–22

1–8,

13–16,

21–24

18–21,

28–30,

1–5,

10–13

I/O

Four-bit input/output pins.

Pins R1

0–R2 3 can sink 15 mA max.

Interrupt

INT

0

23

25

22

I

Input pin for external interrupts

Stop clear

STOPC

27

29

26

I

Input pin for transition from stop mode to

active mode

Serial interface

SCK

19

21

18

I/O

Serial interface clock input/output pin

SI

20

22

19

I

Serial interface receive data input pin

SO

21

23

20

O

Serial interface transmit data output pin

Timer

TOC

22

24

21

O

Timer output pin

EVNB

23

25

22

I

Event count input pin

A/D converter

AN

0–AN 3

12–15

13–16

10–13

I

Analog input pins for the A/D converter

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HD404392FP Datasheet(PDF) 10 Page - Hitachi Semiconductor

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