Low-power ARM9-based microcontroller can connect directly to peripherals

18 April 2007 DSP, Micros & Memory

NXP's LPC3180 is a 32-bit microcontroller built around a 90 nm ARM9 core. This is the industry's first to provide a vector floating-point co-processor, integrated USB On-The-Go (OTG), and the ability to operate in ultra-low-power mode (down to 0,9 V) according to the manufacturer.

The ARM9 core operates at up to 208 MHz and is supported by 32 K of data cache and 32 K of instruction cache. There is an external-memory interface for NAND Flash and SDRAM memory (at 1,8 V for mobile SDRAM), and a 64 KB block of on-chip SRAM.

The on-chip memory management unit (MMU) supports major operating systems, including Linux, a choice OS for embedded applications.

There are seven 16C550 UARTs (one supports IrDA), two Fast I²C-bus (400 Mbps) interfaces, two SPI interfaces, and an automatic keyscan function that supports 8 x 8 keys.

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