HD4043312 datasheet(6/80 Pages) RENESAS

Part #	HD4043312

Description	microcomputer with large-capacity memory designed to

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Manufacturer	RENESAS [Renesas Technology Corp]

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HD404339 Series

4

Pin Description

Pin Number

Item

Symbol

DP-64S

FP-64B

I/O

Function

Power supply

V

CC

33

27

Applies power voltage

GND

16

10

Connected to ground

V

disp

(shared

with RA

1)

64

58

Used as a high-voltage output power supply pin

when selected by the mask option

Test

TEST

12

6

I

Cannot be used in user applications. Connect

this pin to GND.

Reset

RESET

13

7

I

Resets the MCU

Oscillator

OSC

1

14

8

I

Input/output pin for the internal oscillator.

Connect these pins to the ceramic or crystal

oscillator, or OSC

1 to an external oscillator

circuit.

OSC

2

15

9

O

X1

17

11

I

Used with a 32.768-kHz crystal oscillator for

clock purposes

X2

18

12

O

Port

D

0–D 13

34–47

28–41

I/O

Input/output pins addressed individually by bits;

D

0–D 13 are all high-voltage I/O pins.

Each pin

can be individually configured as selected by

the mask option.

RA

1

64

58

I

One-bit high-voltage input port pin

R0

0–R0 3,

R3

0–R7 2

1–11,

20–31

1–5,

14–25,

59–64

I/O

Four-bit input/output pins consisting of standard

voltage pins

R1

0–R2 3,

R8

0–R9 3

48–63

42–57

I/O

Four-bit input/output pins consisting of high

voltage pins

Interrupt

INT

0, INT1 34, 35

28, 29

I

Input pins for external interrupts

Stop clear

STOPC

38

32

I

Input pin for transition from stop mode to active

mode

Serial interface

SCK

8

2

I/O

Serial interface clock input/output pin

SI

9

3

I

Serial interface receive data input pin

SO

10

4

O

Serial interface transmit data output pin

Timer

TOC

11

5

O

Timer output pin

EVNB

36

30

I

Event count input pin

Alarm

BUZZ

37

31

O

Square waveform output pin

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