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Communication Interface

Introduction

Application Note

• PUBLIC

AN000710

• v1-00 • 2020-Jul-21

12

│ 3

1

Introduction

This document describes how to step into communication mode (I²C) with the AS5715R.

The AS5715R will start up immediately in operational mode after powering up and is ready to be used

in the final application.

The customer can choose to personalize some settings in the customer OTP section. For this, the

customer has to apply the customer rma procedure to activate the I²C interface and allow the writing

and programming of the customer OTP section.

When the customer OTP section is already burned (finally and irreversible programmed), the

AS5715R is fully locked! Thus, no execution of the customer rma procedure is possible anymore!

1.1

Setup

For Details, see chapter “Application Circuits” in the datasheet.

Figure 1 :

Communication/Programing Setup

The programmer should have push pull-output for rma-procedure and open-drain-output for

communication mode (I²C).

AS5715R

Programer

SIN+/SDA

COS+/SCL

SDA

SCL