UPD6P5 Ver la hoja de datos (PDF) - NEC => Renesas Technology

Número de pieza

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UPD6P5

4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION

NEC => Renesas Technology 

µPD6P5

1.4 Dealing with Unused Pins

The following connections are recommended for unused pins in the normal operation mode.

Table 1-1. Connections for Unused Pins

KI/O

REM

S1/LED

S0

S2

KI

Pin

INPUT mode

OUTPUT mode

Connection

Inside the Microcontroller

Outside the Microcontroller

—

Leave open

High-level output

—

OUTPUT mode (LED) setting

OFF mode setting

—

Directly connect these pins

to GND

—

Caution The I/O mode and the terminal output level are recommended to be fixed by setting them

repeatedly in each loop of the program.

1.5 Notes on Using KI Pin at Reset

In order to prevent malfunction, be sure to input a low level to more than one of pins KI0 to KI3 when POC is released

due to supply voltage startup.

Data Sheet U14760EJ1V0DS00

9

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