LPC18S50. How to load an empty external flash

[angelmelendez]

How can be an empty external flash loaded in circuit

[lpcxpresso_supp]

Another alternative : use the the LPCScrypt utility to download directly into flash via USB - http://www.nxp.com/lpcscrypt

Regards,

MCUXpresso IDE Support

[victorjimenez]

Hello Angel!

Could you please provide more information of what you are trying to do. Are you trying to erase the external flash?

Have a great day!

Victor

[angelmelendez]

Dear Victor.

I'm worried about how to load the programs into the flash memories (SPI

Flash and/or Parallel NOR Flash) during the manufacturing process.

I think that this could be done using Flash Magic and/or Ulink and MDK

Keil. Is this right?.

I think that for using Flash Magic, I should use USART0. But USART0 pines

are ocupied for Address signal. I prefer to keep the integrity of the

address bus for better electrical performance. Then, is it better to use

Ulink+Keil MDK?.

Thanks. Best regards.

Angel

2018-03-21 18:24 GMT+01:00 victorjimenez <admin@community.nxp.com>:

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Re: LPC18S50. How to load an empty external flash

reply from Victor Jimenez

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[victorjimenez]

Hello Angel,

According to the reference manual of the LPC18S50 (UM10430) you can also the use the USART3 for using flash magic, please reference chapter 5 page 56 section FEATURES.

 If you want to load the programs from the JTAG instead of bootloader you can do this using the command line of LPCXpresso/MCUXpresso. Please refer to the next post to see how to do this:

Using the command line flash programming tool 

Also, the option you mentioned Ulink + Keil MDK  is a good choice, I just wanted to give you more options!

Hope it helps!

Victor Jimenez.

[angelmelendez]

Hello Victor,

Thanks once again.

I'll try all your recommendations.

Then, I'll decide what of them will be the most suitable for developing and for manufacturing.

Best regards.

Angel Melendez