UPD178002 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD178002

8-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD178002, 178003

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.

Pin Name

P00/INTP0

P01/INTP1, P02 to P06

P10/ANI0 to P12/ANI2

P13 to P15

P20/SI1

P21/SO1

P22/SCK1

P23

P24

P25 to P27

P30 to P32

P33/TI1, P34/TI2

P35

P36/BEEP

P37

P40 to P47

P50 to P57

P60 to P63

P64 to P67

P120 to P125

P132 to P134

EO0, EO1

VCOL, VCOH

AMIFC, FMIFC

IC

Table 3-1. Types of Pin Input/Output Circuits

I/O Circuit Type

I/O

2

Input

8

I/O

11-A

5

8

5

8

5

8

10

5

8

5

Recommended Connection of Unused Pins

Connect to GND or GNDPORT.

Set in general-purpose input port mode by software and

independently connect to VDD, VDDPORT, GND, or GNDPORT

via a resistor.

5-G

5

13-G

5

19

DTS-EO1

DTS-AMP

—

Output

Input

Set to low-level output by software and leave open.

Leave open.

Set to pin disabled status by software and leave open.

—

Connect directly to GND or GNDPORT.

10

Data Sheet U12628EJ3V0DS00

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