Program burning is the process of "moving" pre compiled firmware or software into the internal storage space of a chip, allowing components such as microcontrollers, MCUs, FPGAs, etc. on the circuit board to truly "come to life" and run various instructions according to your needs. It is an essential step in PCBA processing, without which the board is just soulless hardware.
In PCBA processing, program burning is a critical step in writing firmware or software code into embedded chips such as MCU, DSP, FPGA, storage chips, etc., which directly affects the implementation of product functions. The following are the core steps, methods, and precautions for implementing program burning:

PCBA testing refers to the testing of printed circuit board assemblies.
Simply put, it refers to the various inspection and verification processes carried out on the entire circuit board assembly after all electronic components (such as chips, resistors, capacitors, connectors, etc.) have been soldered and installed onto a blank PCB (printed circuit board).