精品文档---下载后可任意编辑Freescale 公司的三相 BLDC/PMSM 低压马达控制方案采纳 MC9S08AC16 系列器件.这种 8 位MCU 采纳增强的 HCS08 内核,具有低成本和高性能,系列有各种模块,存储器容量,存储器类型和封装形式.MC9S08AC16 和 MC9S08AC8 用于消费类电子和工业,MC9S08AW16A 和 MC9S08AW8A 用于汽车电子.本文介绍了 MC9S08AC16 系列主要特性,方框图,以及三相 BLDC 和 PMSM 低压马达控制方案主要特性,详细电路图以及材料清单(BOM).3-Phase BLDC/PMSM Low- Voltage Motor Control DriveThe MC9S08AC16 Series devices are members of the low-cost, high-performance HCS08 Family of 8-bit microcontroller units (MCUs). All MCUs in the family use the enhanced HCS08 core and are available with a variety of modules, memory sizes, memory types, and package types.MC9S08AC16 Series Devices• Consumer & Industrial— MC9S08AC16MC9S08AC8• Automotive— MC9S08AW16A— MC9S08AW8A8-Bit HCS08 Central Processor Unit (CPU)• 40-MHz HCS08 CPU (central processor unit)• 20-MHz internal bus frequency• HC08 instruction set with added BGND instruction• Background debugging system• Breakpoint capability to allow single breakpoint setting during in-circuit debugging (plus two more breakpoints in on-chip debug module)• Debug module containing two comparators and nine trigger modes. Eight deep FIFO for storing change-of-flow addresses and event-only data. Debug module supports both tag and force breakpoints.• Support for up to 32 interrupt/reset sourcesMemory Options• Up to 16 KB of on-chip in-circuit programmable FLASH memory with block protection and security options• Up to 1 KB of on-chip RAMClock Source Options• Clock source options include crystal, resonator, external clock, or internally generated clock with precision NVM trimmingSystem Protection• Optional computer operating properly (COP) reset with option to run...
