150 MHz MCU claims industry's highest ARM Cortex-M3 performance
September 20, 2010 | Paul Buckley | 222901484
NXP Semiconductors N.V., has released what the company claims is the industry's highest performance ARM Cortex-M3 microcontroller. The LPC1800 is optimized for low power operation at low frequencies all the way through to 150 MHz maximum performance from either Flash or RAM.
Page 1 of 2The performance provides maximum connectivity and bandwidth options for a wide range of demanding applications. 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 two new innovative peripherals: a flexible quad-SPI interface and a state configurable timer subsystem.
Designed using NXPs ultra low-leakage 90 nm process technology, the LPC1800 offers faster operation, low dynamic power consumption, and proprietary low leakage optimization yielding between 10 and 100 times reduction in standby modes. The LPC1800 offers the industrys largest on-chip SRAM for a Cortex-M3 with up to 200 KB provided in multiple banks, each with separate bus master access for higher throughput and individual power-down control for low power operation. The dual-bank 1MB Flash architecture provides the highest reliability in-application re-programming, and allows for non-stop Flash operation.
Taking advantage of the rapid adoption of quad-SPI architectures in newer serial Flash memories, NXP is the first to provide a seamless high-speed interface that will connect with virtually all SPI and quad-SPI manufacturers. 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 LPC1800s State Configurable Timer Subsystem comprises of a timer array with a state machine enabling complex functionality including event controlled PWM waveform generation, ADC synchronization and dead time control. This timer subsystem gives embedded designers increased flexibility to create user-defined wave-forms and control signals for many applications including power conversion, lighting and motor applications.
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