ST485BD 데이터 시트보기 (PDF) - STMicroelectronics

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ST485BD

Low power RS-485 / RS-422 transceiver

STMicroelectronics 

ST485

1

Pin configuration

Figure 1. Pin configuration

Pin configuration

1.1

Pin description

Table 1. Pin description

Pin n°

Symbol

1

RO

2

RE

3

DE

4

DI

5

GND

6

A

7

B

8

VCC

Name and function

Receiver Output

Receiver Output Enable

Driver Output Enable

Driver Input

Ground

Non-inverting Receiver Input and Non-inverting

Driver Output

Inverting Receiver Input and Inverting Driver Output

Supply Voltage

3/19

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