TI LM3S818三相无刷直流(BLDC)马达驱动方案
TI公司的LM3S818工作频率高达50MHz的基于ARM® Cortex™-M3控制器核的32位MCU,具有32位RISC性能,集成了64kB闪存和8kB SRAM,并具有实时工业连接,SSI/SPI控制器,和2个UART. LM3S818具有6个运动控制PWM输出,用于位置监视的正交编码器以及低等待关断的故障保护输入.目标应用在工厂自动化和控制,建筑物和家庭自动化,步进马达, 无刷直流(BLDC)马达和交流感应电动机.本文介绍了LM3S818主要特性,方框图, Stellaris® LM3S818 controlCARD模块主要特性,框图,电路图和模块元件布局图.
The Stellaris® LM3S818 microcontroller is based on the ARM® Cortex™-M3 controller core operating at up to 50 MHz, with 64 kB flash and 8 kB SRAM. The LM3S818 also features real-time industrial connectivity, with an SSI / SPI controller, and 2 UARTs. The LM3S818 microcontroller also features advanced motion control features, including 6 motion-control PWM outputs with dead-band, a quadrature encoder input for precise position monitoring, and a fault protection input for low-latency shutdown. The microcontroller also features intelligent analog capability, including 1 analog comparators and 6 channels of highly accurate 10-bit analog-to-digital conversion - with the ability to sample at speeds of 1M samples per second.
LM3S818主要特性:
The LM3S818 microcontroller includes the following product features:
■ 32-Bit RISC Performance..
