Internet-based 8051 remote in-system programming system

Traditionally, programming a microcontroller unit (MCU) either requires an IC burner or such MCU is in-system programmable. Usually programming an ISP MCU in system is feasible only with operation of a local computer which is connected with the system via universal asynchronous receiver-transmitter (UART) or universal serial bus (USB) interfaces. This paper proposes an internet-based remote programming system which is named 8051 NET-ISP. This system consists of an Ethernet communication module and an applicable MCU AT89S51 which is capable of ISP functions. Therefore a remote computer user can update or download the assembled hex-code program of 89C51 or remotely control the applicable circuit through the Internet without reaching the system if it has been distributed faraway. Such system extends applicability compares with modern MCU circuits and improves the management convenience as the number of the same module rises.