What is full form of CJNE instruction in 8051 microcontroller? All Questions › Category: Embedded System › What is full form of CJNE instruction in 8051 microcontroller? 0 Vote Up Vote Down CS Electrical And Electronics Staff asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down CS Electrical And Electronics Staff answered 4 years ago Compare and jump if not equal. It compares the magnitude of the destination byte and source byte. If they are not equal, it jumps to the target address.Â