NXP Semiconductors’ new LPC1800 is an ARM Cortex-M3 microcontroller optimised for low-power operation at very low frequencies all the way through to 150 MHz maximum performance from either Flash or RAM. The flexible dual-bank 256-bit wide Flash memories can be used for concurrent write/read operations, allowing ‘golden copy’ preservation and prevention of reprogramming mishaps, or simply used as a single bank of memory. The LPC1800 also features a flexible quad-SPI interface and a state configurable timer subsystem. High-speed interfacing from quad-lane SPI memories at up to 80 Mbps per lane provides for much larger off-chip data and code execution than available from on-chip memories. The state configurable timer subsystem comprises a timer array with a state machine enabling complex functionality including event controlled PWM waveform generation, ADC synchronisation and dead time control.
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