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UPD754304GS Datasheet(PDF) 13 Page - NEC |
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UPD754304GS Datasheet(HTML) 13 Page - NEC |
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13 / 74 page  µPD754302, 754304, 754302(A), 754304(A) 13 3.4 Recommended Connections for Unused Pins Table 3-1. List of Recommended Connections for Unused Pins Pin Recommended Connection P00/INT4 Connect to VSS or VDD P01/SCK Connect to VSS or VDD through the resistor individually P02/SO/SB0 P03/SI Connect to VSS P10/INT0-P12/INT2 Connect to VSS or VDD P13/TI0/TI1 P20/PTO0 Input state : Connect to VSS or VDD through the resistor P21/PTO1 individually P22/PCL Output state : Leave open P23 P30-P33 P50-P53 Input state : Connect to VSS Output state : Connect to VSS (Pull-up resistor by mask option should not be connected) P60/KR0-P63/KR3 Input state : Connect to VSS or VDD through the resistor P70/KR4-P73/KR7 individually P80, P81 Output state : Leave open IC Connect to VDD directly |
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