An alternate function of port pin P3.1 in the 8051 is: All Questions › Category: Embedded System › An alternate function of port pin P3.1 in the 8051 is: 0 Vote Up Vote Down Jayesh Bornare asked 3 years ago OPTIONS serial port input serial port output memory write strobe memory read strobe 1 Answers 0 Vote Up Vote Down Jayesh Bornare answered 3 years ago serial port output