UPD75064CU データシートの表示（PDF） - NEC => Renesas Technology

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UPD75064CU

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)

3.5 Handling Unused Pins

Table 3-1. Handling Unused Pins

Pin

Recommended connection

P00/INT4

Connect to VSS.

P01/SCK

Connect to VSS or VDD.

P02/SO/SB0

P03/SI/SB1

P10/INT0-P12/INT2

Connect to VSS.

P13/TI0

P20/PTO0

Input state: Connect to VSS or VDD.

P21

Output state: Open

P22/PCL

P23/BUZ

P30-P33

P40-P43

P50-53

P60/KR0/AN4-P63/KR3/AN7

P110/AN0-P113/AN3

Connect to VSS or VDD.

AVREF

Connect to VSS.

AVSS

XT1

Connect to VSS or VDD.

XT2

Open

IC

Directly connect to VDD.

13

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