UPD17225 View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD17225

4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER

NEC => Renesas Technology 

µPD17225, 17226, 17227, 17228

1.3 Processing of Unused Pins

Process the unused pins as follows:

Table 1-1. Processing of Unused Pins

Pin

P0A0-P0A3

P0B0-P0B3

P0C0-P0C3

P0D0-P0D3

P0E0-P0E3

REM

INT

WDOUT

IC1, IC2

Recommended Connection

Connect to VDD.

Connect to VDD.

Connect to GND.

Connect to GND.

Input : Individually connect to VDD or GND via resistor.

Output : Leave open.

Leave open.

Connect to GND.

Connect to VDD via resistor.

These pins cannot be used.

Leave open.

10

Data Sheet U12643EJ2V0DS00

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