Describe: stepper motor driver circuit, including some floor plans. One can achieve sub-actuator functions.

File list(time 2003110909~2005043009)(Click to check if it's the file you need, and recomment it at the bottom):
  cnc3ax
  ......\Backup of cnc3ax.pcb
  ......\Backup of CNC8AX~1.SCH
  ......\Backup of SHEET_~1.SCH
  ......\cnc3ax.Bkp
  ......\cnc3ax.DDB
  ......\cnc3ax.pcb
  ......\cnc3ax.sch
  ......\CNC8AX~1.DDB
  ......\CNC8AX~1.ldb
  ......\Previous Backup of SHEET_~1.SCH
  ......\PROTO1~1.DDB
  ......\PROTO1~1.ldb
  ......\PROTO3~1.Bkp
  ......\PROTO3~1.DDB
  ......\SHEET_~1.Bkp
  ......\SHEET_~1.DDB
  ......\SHEET_~11.Bkp
  ......\SHEET_~11.DDB

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