topic Re: Replacement for LPC2388FBD144 in LPC Microcontrollers

Replacement for LPC2388FBD144

perdrix — Tue, 20 Apr 2021 20:34:12 GMT

These were readily available until recently but now they are only available with an MOQ of a full tray of 300 and a lead time of a whole year.

Clearly NXP don't want us to use these, and this is causing us quite a problem.

So please what is the recommended replacement (preferably pin and code compatible).

Thanks, David

Re: Replacement for LPC2388FBD144

ZhangJennie — Wed, 21 Apr 2021 13:50:16 GMT

Hi perdrix

The pinout of LPC178x/7x is intended to allow pin function compatibility with the LPC24xx
and LPC23xx.

You can consider LPC1778FBD144 as replacement for your part.

Have a nice day,

Jun Zhang

Re: Replacement for LPC2388FBD144

perdrix — Wed, 21 Apr 2021 14:58:57 GMT

Thank you - I'll let the relevant folks know. Will code built for the LPC2388 run correctly on the LPC1788?

Thanks, David

Re: Replacement for LPC2388FBD144

converse — Wed, 21 Apr 2021 15:10:14 GMT

No. It is a different machine architecture (Cortex-M3 vs ARM7TDMI). So, you need to recompile, and also rewrite some code - the interrupt structure is different, the startup is different and I don't think that the peripherals are 100% compatible. You can probably re-use your own business logic, but the peripheral drivers are going to need work.

Re: Replacement for LPC2388FBD144

no_po — Sat, 23 Apr 2022 12:21:40 GMT

Hello,
I have the same issu with the LPC2388. We have to update our hardware and therefore we also look for a substitution for the 2388.
I'm not sure if the life time of the 1778 will also come to an end in the near future...
Is there another suggestion which is more future proof?
BR
Norbert

Re: Replacement for LPC2388FBD144

perdrix — Sat, 23 Apr 2022 13:01:04 GMT

LPC4088 has been recommended to me if that would help. I think you'd need to re-spin the PCB and do a fair bit of work to the s/w though (not looked at that yet).

Re: Replacement for LPC2388FBD144

no_po — Sat, 23 Apr 2022 16:09:06 GMT

Thank you very much for that hint!

I'll have a look on the LPC4088...