LPC21ISP (http://sourceforge.net/projects/lpc21isp/) is a great program for loading firmware on to NXP’s LPC family of microcontrollers. Version 1.97 doesn’t support the new lpc824 chip so I had to patch it by inserting a new entry in the LPCtypes array in lpcprog.c as shown below.
static LPC_DEVICE_TYPE LPCtypes[] =
{
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, CHIP_VARIANT_NONE }, /* unknown */
// id, id2, use id2, name of product, flash size, ram size, total number of sector, max copy size, sector table, chip variant
{ 0x00008100, 0x00000000, 0, "810M021FN8", 4, 1, 4, 256, SectorTable_8xx, CHIP_VARIANT_LPC8XX },
{ 0x00008110, 0x00000000, 0, "811M001FDH16", 8, 2, 8, 1024, SectorTable_8xx, CHIP_VARIANT_LPC8XX },
{ 0x00008120, 0x00000000, 0, "812M101FDH16", 16, 4, 16, 1024, SectorTable_8xx, CHIP_VARIANT_LPC8XX },
{ 0x00008121, 0x00000000, 0, "812M101FD20", 16, 4, 16, 1024, SectorTable_8xx, CHIP_VARIANT_LPC8XX },
{ 0x00008122, 0x00000000, 0, "812M101FDH20", 16, 4, 16, 1024, SectorTable_8xx, CHIP_VARIANT_LPC8XX },
{ 0x00008242, 0x00000000, 0, "824M201JDH20", 32, 8, 32, 1024, SectorTable_8xx, CHIP_VARIANT_LPC8XX },
Save, make and run.
ioprog 
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