Dataman 48Pro4 Super Fast Universal ISP ProgrammerThe 48Pro4 programmer offers the same advanced features as the 48Pro2 programmer but with improved hardware: Better pindriver for low voltage devices, higher programming speeds and a more powerful programming core (FPGA). FPGA based totally reconfigurable 48 powerful TTL pindrivers provide H, L, pull up, pull down and read capability for each pin of the socket. Advanced pindrivers incorporate high quality high speed circuitry to deliver signals