NXP LPC175x嵌入应用USB和多种接口方案

NXP公司的LPC1759/58/56/54/52/51是32位ARM Cortex-M3 MCU,具有高度集成和低功耗特性,有多达512kB的闪存,64kB SRAM以及以太网,USB 2.0主/设备/OTG和CAN等. LPC1758/56/57/54/52/51 CPU工作频率高达100MHz, LPC1759 CPU工作频率高达120MHz,主要用于仪表,照明,工业网络,告警系统,白色家电和马达控制.本文介绍LPC175x系列主哟特性,方框图,以及多种USB接口框图.

LPC1759/58/56/54/52/51: 32-bit ARM Cortex-M3 MCU; up to 512 kB flash and 64 kB SRAM with Ethernet, USB 2.0 Host/Device/OTG,CAN

The LPC1759/58/56/54/52/51 are ARM Cortex-M3 based microcontrollers for embedded applications featuring a high level of integration and low power consumption. The ARM Cortex-M3 is a next generation core that offers system enhancements such as enhanced debug features and a higher level of support block integration.

The LPC1758/56/57/54/52/51 operate at CPU frequencies of up to 100 MHz. The LPC1759 operates at CPU frequencies of up to 120 MHz. The ARM Cortex-M3 CPU incorporates a 3-stage pipeline and uses a Harvard architecture with separate local instruction and data buses as well as a third bus for peripherals. The ARM Cortex-M3 CPU also includes an internal prefetch unit that supports speculative branching.
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