UPD62A 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD62A

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

NEC => Renesas Technology 

µPD62A

1.3 Recommended Connection of Unused Pins

The following connections are recommended for unused pins.

Table 1-1. Connections for Unused Pins

Pin

KI/O

Input mode

Output mode

REM

S1/LED

S0

KI

RESETNote

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

On-chip POC circuit

Leave open

Note For application circuits requiring high reliability, be sure to design so that the RESET signal is input

externally.

Caution It is recommended that the I/O mode and the terminal output level are fixed by repeating the

settings in each loop of the program.

8

Data Sheet U14474EJ1V0DS00

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