Digital IC's portable function tester and control method

摘要

This invention is for quick and easy verification of digital IC, and it is a small and easy to carry to connect with general-purpose personal computer (PC), and in order to check the function of IC in real time, PC serial port to PC serial port A matching circuit 1 is connected, one end of the main processor 2 is connected to the PC serial port matching circuit 1 and connected to the other end local memory 3, the parallel input / output circuit 8 and the address selector 6 A clock supply circuit 4 and a step counter 5 are connected in series at one end of the address selector 6, and first and second pin memories 71 and 72 at the other end of the address selector 6. ) Is connected, and the first and second pin memories 71 and 72 and the parallel input / output circuit 8 are connected to one end of the input / output control unit 9, and an IC mounting socket is connected to the other end of the input / output control unit 9. 10 is connected to each part of the circuit It consists of structures supply circuit 11 is connected, to a portable function testing apparatus and a control method of the digital Damn, to the real-time status testing and the static state of the digital test Damn,.