UPD178P018 datasheet(13/60 Pages) NEC

13 / 60 page

µPD178P018

Pin Name

I/O Circuit Type

I/O

Recommended Connections of Unused Pins

P00/INTP0

Input

Connected to GND or GNDPORT

P01/INTP1 to P06/INTP6

I/O

Set in general-purpose input port mode by software and

P10/ANI0 to P15/ANI5

11-A

individually connected to VDD, VDDPORT, GND, or GNDPORT

P20/SI1

via a resistor.

P21/SO1

P22/SCK1

P23/STB

P24/BUSY

P25/SI0/SB0/SDA0

P26/SO0/SB1/SDA1

P27/SCK0/SCL

P30 to P32

P33/TI1, P34/TI2

P35

P36/BEEP

P37

P40 to P47

5-G

P50 to P57

P60 to P63

P64 to P67

P120 to P125

P132/PWM0 to P134/PWM2

Output

Set to the low-level output by software and open

EO0

DTS-EO1

Open

EO1

DTS-EO2

VCOL, VCOH

DTS-AMP

Input

Set to disabled status by software and open

AMIFC, FMIFC

VPP

—

Connected to GND or GNDPORT directly

1.3 Pins Input/Output Circuits and Recommended Connection of Unused Pins

Table 1-1 shows the input/output circuit types of pins and the recommended conditions for unused pins.

Refer to Figure 1-1 for the configuration of the input/output circuit of each type.

Table 1-1. Type of I/O Circuit of Each Pin

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