HD404372 datasheet(19/161 Pages) RENESAS

19 / 161 page

HD404374/HD404384/HD404389/HD404082/HD404084 Series

Rev.5.00, Sep.11.2003, page 19 of 161

HD404082 and HD404084 Series

Pin Number

Item

Symbol

FP-30D

DP-28S Chip

I/O

Function

—

Apply the power supply voltage to this pin.

Power

supply

GND

—

Connect to ground.

Test

TEST

Input

Not for use by the user application. Connect to GND

potential.

Reset

RESET

Input

Used to reset the MCU.

OSC

Input

Internal oscillator input/output pins. Connect a ceramic

resonator, crystal resonator, or external oscillator circuit.

Oscillation

OSC

Output When using CR oscillation, connect a resistor.

0–D9

21–30

19–28

17–26

I/O

I/O pins addressed bit by bit. D

0 to D3 are large-current

source pins (max. 10 mA), and D

4 to D9 are large-current

sink pins (max. 15 mA).

Port

0, R10, R13,

0, R21, R22,

0–R73

15–20,

4–7

13–18,

4–7

11–16,

3–6

I/O

I/O pins, addressed in 4-bit units.

Interrupt

INT

Input

External interrupt input pin

Wakeup

Input

Input pin used for transition from stop mode to active

mode.

SCK

I/O

Serial interface clock I/O pin

Input

Serial interface receive data input pin

Serial

interface

Output Serial interface transmit data output pin

TOB,TOC

17, 18

15, 16

13, 14

Output Timer output pins

Timer

EVNB

Input

Event count input pin

Other

3, 8, 12,

3, 8

—

Connect to GND potential.

HD404372 Datasheet(PDF) 19 Page - Renesas Technology Corp

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