Cart is empty
: If you only need the assembler, install MPLAB v8.92 and look in the \MPASM Suite folder for the executable.
Microchip no longer offers mpasmwin.exe as a standalone download. It is bundled within specific legacy versions of the MPLAB IDE. mpasmwin.exe v5.51 download
MPASMWIN.exe is the Windows-based GUI front-end for , Microchip’s legacy relocatable macro assembler for PIC microcontrollers (PIC10/12/16/18 families). Version 5.51 is one of the later standalone releases before Microchip fully migrated to the MPLAB X IDE and XC8 compiler (which includes an assembler driver). : If you only need the assembler, install MPLAB v8
MPASMWIN.EXE v5.51 offers several benefits to developers, engineers, and hobbyists working with microcontrollers. Some of its key benefits include: MPASMWIN
| | Solution | | --- | --- | | "Component not found" (MSCOMCTL.OCX) | Run as Admin, or register OCX file (Windows 10/11 legacy support). | | Assembly fails for newer PICs | MPASM v5.51 does not support devices released after ~2014. Use XC8 instead. | | Can't run on 64-bit Windows | Works in Windows 10/11 64-bit – may need Compatibility Mode (Windows XP SP3). |
: This is the most common source for MPASM v5.51. It is available in the Microchip Archives .