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PD17225_15 Datasheet, PDF (12/86 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
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