HD404339FS datasheet(6/80 Pages) RENESAS

6 / 80 page

HD404339 Series

Pin Description

Pin Number

Item

Symbol

DP-64S

FP-64B

I/O

Function

Power supply

Applies power voltage

GND

Connected to ground

disp

(shared

with RA

Used as a high-voltage output power supply pin

when selected by the mask option

Test

TEST

Cannot be used in user applications. Connect

this pin to GND.

Reset

RESET

Resets the MCU

Oscillator

OSC

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

Used with a 32.768-kHz crystal oscillator for

clock purposes

Port

0–D 13

34–47

28–41

I/O

Input/output pins addressed individually by bits;

0–D 13 are all high-voltage I/O pins.

Each pin

can be individually configured as selected by

the mask option.

One-bit high-voltage input port pin

0–R0 3,

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

0–R2 3,

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

Input pins for external interrupts

Stop clear

STOPC

Input pin for transition from stop mode to active

mode

Serial interface

SCK

I/O

Serial interface clock input/output pin

Serial interface receive data input pin

Serial interface transmit data output pin

Timer

TOC

Timer output pin

EVNB

Event count input pin

Alarm

BUZZ

Square waveform output pin

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