../code/conceptPage.scroll id a51 name A51 Assembly appeared 1988 tags assembly description The A51 and A251 assembler translate programs you write in assembly language into executable machine instructions. You may use the A51 assembler to assemble programs for the 8051 family of microcontrollers. fileExtensions a51 fileType text reference https://courses.cs.washington.edu/courses/cse466/01au/Lab/A251.pdf