PCF8523, have source code?

jackylu — Mon, 16 Mar 2020 07:30:39 GMT

Hello,

Please share,

Thanks.

Re: PCF8523, have source code?

guoweisun — Mon, 16 Mar 2020 07:50:21 GMT

Unfortunately we don't have source code but we have manual UM10301 for reference for hardware and software design.

Re: PCF8523, have source code?

ephraimschoenfe — Sun, 12 Apr 2020 04:38:32 GMT

Hi,

There is, indeed no source code available from NXP. The data sheet is detailed enough to create a driver from scratch for the majority of the functionality.

There are several source code repositories that provide code for the PCF8523.

Here below are some examples:

On Github:

The Arduino library for PCF8523 is explained at

https://learn.adafruit.com/adafruit-pcf8523-real-time-clock/rtc-with-arduino

All the examples above implement a subset of the functionality provided by the NXP chip PCF8523.

We are searching for some examples of the use of the TIMER B and the INT2 line for a specific application.

So far we have no success.

This little note may help you to a starting point

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PCF8523, have source code?

Re: PCF8523, have source code?

Re: PCF8523, have source code?