https://www.nxp.com/design/design-center/software/development-software/mcuxpresso-software-and-tools-/lpcxpresso804-for-the-lpc804-family-of-mcus:OM40001
Free LPCXpresso804 IDE for ARM MCUs | NXP Semiconductors
Complete development platform for NXP LPC804 MCUs with IDE, toolchain and example projects to accelerate embedded system prototyping
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