8051 Microcontroller has ? All Questions › Category: Embedded System › 8051 Microcontroller has ? 0 Vote Up Vote Down Jayesh Bornare asked 3 years ago OPTIONS 8-bit unidirectional address bus 16-bit unidirectional address bus 8-bit bidirectional address bus 16-bit bidirectional address bus 1 Answers 0 Vote Up Vote Down Jayesh Bornare answered 3 years ago 16-bit unidirectional address bus