LPC3220/30/40/50 16/32-bit ARM microcontrollers; .
NXP
LPC3240 - 16/32-bit ARM Microcontrollers
LPC3220/30/40/50 16/32-bit ARM microcontrollers; hardware floating-point coprocessor, USB On-The-Go, and EMC memory interface Rev. 2.1 — 24 June 201.