Megawin 8051 COM Port ISP 1.04

Megawin 8051 COM Port ISP is an official Windows utility from Megawin Technology Co., Ltd. for in-system programming of Megawin 8051-based microcontrollers over a standard serial (COM) port. It enables engineers and production technicians to load firmware directly onto a target device without removing it from the circuit, using the MCU’s built-in UART bootloader.

Key features:

• Program and verify firmware images (Intel HEX and binary formats)
• Full or block erase operations (device dependent)
• Option/configuration setting support (such as security/lock bits; availability depends on the MCU)
• Selectable COM port, baud rate, and timeouts; works with onboard UARTs or USB-to-UART adapters
• Connection check, progress display, and checksum/verification for reliable flashing
• Simple, production-friendly GUI suitable for lab and factory use

Compatibility and requirements:

• Targets: Megawin 8051-family microcontrollers that support UART ISP mode
• Host: Windows PC
• Interface: RS-232/TTL-level UART via a COM port; access to reset/boot pins may be required to enter ISP mode

Notes:

• Ensure the correct device family is selected and observe proper voltage level shifting.
• Read-back of code may be restricted by security settings.
• For detailed procedures and the list of supported models, consult the device datasheet and Megawin’s COM Port ISP user manual.

Megawin 8051 COM Port ISP is developed by Megawin Technology Co., Ltd.. The most popular version of this product among our users is 1.0. The name of the program executable file is COM_Port_ISP.exe.

You can check HW Virtual Serial Port, mikroC PRO for 8051, Serial Port Splitter and other related programs like mikroPascal PRO for 8051 at the "download" section.