UPD64A 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD64A

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

NEC => Renesas Technology 

µPD64A, 65

1.3 Recommended Connection of Unused Pins

The following connections are recommended for unused pins.

Table 1-1. Recommended Connection of Unused Pins

KI/O

REM

S1/LED

S0

S2

KI

Pin

Input mode

Output mode

Connection

Inside Microcontroller

Outside Microcontroller

—

Leave open

High-level output

—

Output mode (LED) setting

OFF mode setting

Directly connect to GND

—

—

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

repeatedly in each loop of the program.

8

Data Sheet U14380EJ3V0DS00

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