UPD75304BGC View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75304BGC

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75304B,75306B,75308B

3.4 RECPMMENDED CONNECTION OF UNUSED PINS

5

Table 3-1 Connection of Unused Pins

Pin

P00/INT4

P01/SCK

P02/SO/SB0

P03/SI/SB1

P10/INT0-P12/INT2

P13/TI0

P20/PTO0

P21

P22/PCL

P23/BUZ

P30/LCDCL

P31/SYNC

P32

P33

P40 to P43

P50 to P53

P60/KR0 to P63/KR3

P70/KR4 to P73/KR7

S0 to S23

S24/BP0 to S31/BP7

COM0 to COM3

VLC0 to VLC2

BIAS

XT1

XT2

Recommended Connection

Connect to VSS

Connect to VSS or VDD

Connect to VSS

Input state : Connect to VSS or VDD

Outputstate : Leave open

Leave open

Connect to VSS

Connect to VSS only when VLC0 to VLC2

are all unused; otherwise leave open

Connect to VSS or VDD

Leave open

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