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Serial Controller Interface
The SCI Slave is a synthesizable, flexible, and structured VHDL implementation of a Serial Controller Interface (SCI) that uses a two-wire bus for communicating between integrated circuits or standard peripherals like smart LCDs and keypads.
The SCI Slave complies with the definition of the ‘Inter-Integrated Circuit Bus’ (I2C). It is intended to be used as an interface block between the I2C buslines (SDA,SCL) and two mailbox memories. A local Mail-bus interface consisting of data, address and control lines allows you to interface registers or RAM’s up to a size of 256 bytes.
The SCI Slave contains the entire physical and data link layers, allowing to handle bus timing and frame generation/extraction, and thus reducing overhead from the system application.
The SCI Slave complies with the definition of the ‘Inter-Integrated Circuit Bus’ (I2C). It is intended to be used as an interface block between the I2C buslines (SDA,SCL) and two mailbox memories. A local Mail-bus interface consisting of data, address and control lines allows you to interface registers or RAM’s up to a size of 256 bytes.
The SCI Slave contains the entire physical and data link layers, allowing to handle bus timing and frame generation/extraction, and thus reducing overhead from the system application.
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Block Diagram of the Serial Controller Interface
