UC Micro Systems manufactures Circuit Debugger or Programmer. UC Micro Systems manufactures Memories, Amp; Microcontrollers, Universal IC Programmers and Testers. The Circuit Debugger or Programmer has All-in-one debugger or programmer for PIC microcontrollers. The Circuit Debugger or Programmer has USB [Full Speed 2 mbps] and RS-232 interface to host PC. The Circuit Debugger or Programmer comes with Real time in-circuit debugging. The Circuit Debugger or Programmer has built in over-voltage or short circuit monitor. The Circuit Debugger or Programmer supports low voltage PIC MCUs from 2.0 volts [2.0V to 6.0V range].