NXP LH7A404

[dross]

Hello. I'm looking for a tool to use to de-bug one of our products that uses the NXP LH7A404 processor. Not looking to do any SW development with this - just need it or something similar that can be used for HW troubleshooting - i.e. identify processor hang ups due to bad flash, bad sram etc.

Will this work for this?

Thanks Much.

Dan Ross

[LubOlimex]

Hey Dan,

First find suitable software for the LH7A404. If it is supported in latest OpenOCD you can use Olimex ARM-USB-TINY-H or Olimex ARM-USB-OCD-H. There is a good chance that LH7A404 lacks such support. It has a popular  ARM9TDMI core but it is not clear if there is a ready-to-use script for it. The only Sharp script I see included in OpenOCD is sharp_lh79532.cfg. So you would probably need to write own script for the processor or modify the only existing one (which features ARM7TDMI core, not ARM9TDMI).

If you are in a hurry consider other options, for example, Segger's J-Link.

Best regards,
Lub/OLIMEX

[JohnS]

Bad HW probably needs HW tools and someone who has used them a lot before.

Such a someone will know the tools they need.

John