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I - 30 – Panasonic MN101C77C User Manual

Page 48

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Chapter 1 Overview

I - 30

Precautions

„

Unused pins (for I/O)

Unused I/O pins should be set according to pins' condition at reset. If the output is high impedance (Pch

/ Nch transistor : output off) at reset, to stabilize input, set 10 k

to 100 k

resistor to be pull-up or pull-

down. If the output is on at reset, set them open.

Figure 1-6-3 Unused I/O pins (high impedance output at reset)

Input

Data

Output OFF

10 k

to 100 k

Output control

Input

Data

Output OFF

Output control

10 k

to 100 k

Input

Data

Nch

Output OFF

10 k

to 100 k

Input

Data

Nch

Output OFF

10 k

to 100 k

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