Before revision: It allows firmware updates to be delivered to the on-chip memory of microcontrollers and related processors without requiring specialist programming circuitry on the circuit board, and simplifies design work.Oreilly, Designing Embedded Hardware, 2nd Edition by John Catsoulis There are several mutually-incompatible in-system programming protocols for programming microcontroller devices.
After revision: It allows firmware updates to be delivered to the on-chip memory of microcontrollers and related processors without requiring specialist programming circuitry on the circuit board, and simplifies design work.Oreilly, Designing Embedded Hardware, 2nd Edition by John Catsoulis There is no standard foralso in-system programming protocols for programming microcontroller devices.