topic Re: LPC54018 I2s Config in LPC Microcontrollers

LPC54018 I2s Config

Sukumar_M — Thu, 16 Jun 2022 05:02:40 GMT

Hi,

I'm newly working on I2s I should try to do demo driver flash to evk but it not work how can achieve configration. please any one help me.

Alice_Yang — Fri, 17 Jun 2022 08:32:49 GMT

Hello,

Recommend download SDK , there is I2s demo, and there is readme.txt under project folder about how to use demo:

Alice

Sukumar_M — Fri, 17 Jun 2022 04:27:57 GMT

already one demo are there in MCUxpresso but it not work only noise are occur no sound data should be transfer.

Alice_Yang — Fri, 17 Jun 2022 08:34:17 GMT

Hello ,

Which demo you used? Have you configure well refer to readme? Do you use DEMO board from NXP?

Alice

Sukumar_M — Fri, 17 Jun 2022 08:56:16 GMT

i2s interrupt transfer demo if any other option to use polling method

Alice_Yang — Mon, 20 Jun 2022 02:52:40 GMT

Hello Sukumar_M,

I test the I2S demo on my side, it can works well. So recommend you first do not change anything with demo.

Alice

Sukumar_M — Mon, 20 Jun 2022 04:43:21 GMT

ok how to choose frequency divider value as per music. I can choose same frequency divider value multiple music is it possible

Alice_Yang — Mon, 27 Jun 2022 08:58:01 GMT

Hello ,

About I2S sample rate configuration, you can refer to:

UM11060 -> 29.8.3.2 Rate calculations