78F0988 View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

78F0988

8-BIT SINGLE-CHIP MICROCONTROLLERS / 64 Pin

NEC => Renesas Technology 

µPD78F0988A, 78F0988A(A)

3.3 Pin I/O Circuits and Recommended Connection of Unused Pins

The I/O circuit type of each pin and recommended connection of unused pins are shown in Table 3-1.

For the I/O circuit configuration of each type, refer to Figure 3-1.

Pin Name

P00/INTP0/TOFF7

P01/INTP1

P02/INTP2

P03/INTP3/ADTRG

P10/ANI0 to P17/ANI7

P20/RxD00

P21/TxD00

P22/RxD01

P23/TxD01

P24/TI50/TO50

P25/TI51/TO51

P26/TI52/TO52

P30/RTP0 to P37/RTP7

P40/AD0 to P47/AD7

P50

P51/SCK

P52/SI

P53/SO

P54/INTP4/TI000/TO00

P55/INTP5/TI010

P56/INTP6/TI001/TO01

P57/INTP7/TI011

P64/RD

P65/WR

P66/WAIT

P67/ASTB

TO70 to TO75

RESET

AVDD

AVREF

AVSS

VPP

Table 3-1. Types of Pin I/O Circuits

I/O Circuit

Type

8-C

I/O

I/O

Recommended Connection of Unused Pins

Input: Independently connect to VSS0 via a resistor.

Output: Leave open

25

Input

8-C

I/O

5-H

8-C

5-H

8-C

5-H

8-C

5-H

Independently connect to VDD0 or VSS0 via a resistor.

Input: Independently connect to VDD0 or VSS0 via a

resistor.

Output: Leave open.

4

Output

2

Input

–

–

Leave open.

–

Connect to VDD0.

Connect to VSS0.

Connect directly to VSS0.

Data Sheet U15801EJ1V0DS

15

Share Link: