ST485ER View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST485ER

±15KV ESD protected, Low power RS-485/RS-422 transceiver

STMicroelectronics 

ST485ER

1

Pin settings

Figure 1. Pin configuration

Pin settings

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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