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What RAM is used by ROM api's

Question asked by Greg Wilson-Lindberg on May 4, 2017
Latest reply on May 17, 2017 by Carlos_Mendoza

I'm using a couple of LPC15xx and I am wondering whatRAM is used by the ROM API's such as the CAN api. I've found documentation that says that the top (maybe 32 bytes) of the first RAM block is used by the on chip Flash API, but I can't find anything on any of the other ROM api's.  

The project that I'm working with has 0x120 (288) bytes reserved at the top of RAM0_4 above the top of stack, which puts the Top Of Stack at 0x02000EE0. Is this much reserved space necessary. It's also annoying because if makes combining the RAM regions to get more space difficult.