ARM Cortex-M3（LM3S9B96） + MAX II CPLD（EPM1270） 实验板原理图-ARM Cortex-M3 (LM3S9B96)+ MAX II CPLD (EPM1270) test board schematic

Three phase brushless motors (either AC induction or permanent magnet synchronous motors) historically owe their great success in adjustable speed application to the advent of frequency converters and sophisticated control techniques. These high-