Based on the development platform of the TD-LTE Comprehensive Test Instrument, to enable the system to adapt to the needs of a variety of configurations and be more flexible, the paper proposes a method of transferring the control information by I2C Bus from DSP to FPGA, then implementing I2C slave interface in FPGA. The experimental simulations show the correction of I2C interface. In the end, the paper proposes an optimized program.
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