The NXP LPC3130/31 combine an 180 MHz ARM926EJ-S CPU core, High Speed USB　2.0 OTG, up to 192 KB SRAM, NAND Flash Controller, flexible external bus interface, four　channel 10-bit A/D, and a myriad of serial and parallel interfaces in a single chip targeted　at consumer, industrial, medical, and communication markets. To optimize system power　consumption, the LPC3130/31 has multiple power domains and a very flexible Clock
Generation Unit (CGU) that provides dynamic clock gating and scaling.

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nxp UM10314_1USER MANAUL.pdf