Freescale三相BLDC和PMSM低压马达控制方案

Freescale公司的三相BLDC/PMSM低压马达控制方案采用MC9S08AC16系列器件.这种8位MCU采用增强的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 Drive
The 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
— MC9S08AC16
MC9S08AC8
• Automotive
— MC9S08AW16A
— MC9S08AW8A
8-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 sources
Memory 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 RAM
Clock Source Options
• Clock source options include crystal, resonator, external clock, or internally generated clock with precision NVM trimming
System Protection
• Optional computer operating properly (COP) reset with option to run from independent internal clock source or bus clock
• Low-voltage detection with re...