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UPD178002 Datasheet(PDF) 10 Page - NEC |
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UPD178002 Datasheet(HTML) 10 Page - NEC |
10 / 48 page ![]() 10 µPD178002, 178003 Data Sheet U12628EJ3V0DS00 3.3 Pin I/O Circuits and Recommended Connection of Unused Pins The input/output circuit type of each pin and recommended connection of unused pins are shown in Table 3-1. For the input/output circuit configuration of each type, refer to Figure 3-1. Table 3-1. Types of Pin Input/Output Circuits Pin Name I/O Circuit Type I/O Recommended Connection of Unused Pins P00/INTP0 2 Input Connect to GND or GNDPORT. P01/INTP1, P02 to P06 8 I/O Set in general-purpose input port mode by software and P10/ANI0 to P12/ANI2 11-A independently connect to VDD, VDDPORT, GND, or GNDPORT P13 to P15 5 via a resistor. P20/SI1 8 P21/SO1 5 P22/SCK1 8 P23 5 P24 8 P25 to P27 10 P30 to P32 5 P33/TI1, P34/TI2 8 P35 5 P36/BEEP P37 P40 to P47 5-G P50 to P57 5 P60 to P63 13-G P64 to P67 5 P120 to P125 P132 to P134 19 Output Set to low-level output by software and leave open. EO0, EO1 DTS-EO1 Leave open. VCOL, VCOH DTS-AMP Input Set to pin disabled status by software and leave open. AMIFC, FMIFC IC — — Connect directly to GND or GNDPORT. |
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