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Initialise, program SGTL5000

Posted: 12 Feb 2009     Print Version  Bookmark and Share

Keywords:SGTL5000  C code  SPI communication protocol 

The objective of this document by Freescale Semiconductor is to familiarise the reader with the code and methodology required to initialise and program the SGTL5000 using C code. The first section describes the programming prototypes needed to access the SGTL5000's registers. The next section is a guide to initializing the SGTL5000 out of reset, and configuring various features. Programming examples are provided and intended for the end-user. End-users will control features like volume up/down, audio EQ parameters such as Bass and Treble. This will require programming the chip without introducing any pops/clicks or any disturbance to the output. This article shows examples on how to program these features.

This document also provides proogramming examples that show how to configure SGTL5000. The registers can be written/read by using I2C communication protocol. SGTL5000 also supports SPI communication protocol but only register write operation is supported.

View the PDF document for more information.

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