RS-232 and RS-232 protocol

I am little bit confused with “RS-232 protocol” As understand RS-232 is integrated circuit that is used to transmit data from one equipment to another or receive data from one equipment to another. One of example is rs232 used to transmit data from PC to microcontroller. RS-232 allows for both transmit and receive circuit.

I did google search and got little bit information. RS-232 is a standard protocol for serial data communication between two equipment by reading some pages. I am too...

RS-232 and RS-232 protocol