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Unable to use 4k blocks for progamming when calling ISP from user code

Question asked by Bart vd. Meulen on Mar 21, 2018
Latest reply on Mar 25, 2018 by jeremyzhou



I try to program an LPC1114/333 using the ISP.

When I enter the ISP pulling PIO0_1 low during reset, I program the flash with any problems sector by sector by uploading blocks of 4k data to the RAM and program the flash.


However when I enter the ISP from user space, using the IAP command, I have to program the flash using 1k blocks, If i try to use 4k, the ISP crashes during the write action to RAM.


In both cases I start to write to ram starting at address 0x10000300 (as per the user manual