Patent ID: 11233514

Abstract:
A subsystem interface, a semiconductor device including the subsystem interface, and a communications method of the semiconductor device are provided, the subsystem interface comprising a transmitter including a first transmission port configured to transmit a first clock signal, a second transmission port configured to transmit a first data signal, a first reception port configured to receive a first flow control signal, and a third transmission port configured to transmit a first synchronization signal, a receiver including a second reception port configured to receive a second clock signal, a third reception port configured to receive a second data signal, a fourth transmission port configured to transmit a second flow control signal, a fourth reception port configured to receive a second synchronization signal, and a control module configured to control operations of the transmitter and the receiver, including performing a transmitter hand-shake by sending a request signal from the second transmission port and receiving an acknowledgement signal to the first reception port, or performing a receiver hand-shake by receiving the request signal to the third reception port and sending the acknowledgement signal from the fourth transmission port.