D780232 データシートの表示（PDF） - NEC => Renesas Technology

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D780232

8-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD780232

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

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

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

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

Pin Name

P00/INTP0

P01/INTP1

P02/TI

P20/SCK3

P21/SO3

P22, P23

P24/BUSY

P25/SO1

P26/SI1

P27/SCK1

P30/FIP24 to P37/FIP31

P40/FIP32 to P47/FIP39

P50/FIP40 to P57/FIP47

P60/FIP48 to P64/FIP52

FIP0 to FIP23

RESET

ANI0 to ANI3

AVDD

AVSS

VLOAD

IC

I/O Circuit Type

I/O

8-C

I/O

14-F

15-D

14-F

2

7

—

Output

I/O

Output

Input

—

Recommended Connection of Unused Pins

Input: Independently connect to VSS0 via a resistor.

Output: Leave open.

Input: Independently connect to VDD0 or VSS0 via a resistor.

Output: Leave open.

Leave open.

Input: Independently connect to VDD0 or VSS0 via a resistor.

Output: Leave open.

Leave open.

—

Connect to VDD0 or VSS0.

Connect to VDD1.

Connect to VSS1.

Connect directly to VSS1.

Data Sheet U13415EJ2V0DS

11

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