Baseband signal processing SOC chip of multi-protocol UHF RFID reader

The invention discloses a baseband signal processing SOC chip of a multi-protocol UHF RFID reader, comprising a CPU module, a bus in a chip, a storage interface, a DAC output channel, an ADC input channel, a multi-protocol processing unit of an UHF RFID hardware, a man-machine interface, a high-speed communication interface, a low-speed communication interface, a timer module, a JTAG interface module and a master clock module; a high-speed system bus and a low-speed peripheral bus are connected together through a DMA controller and a bus bridge, and each bus is provided with an address decoder and a bus arbitrator; the CPU module, the storage interface, the man-machine interface, the multi-protocol processing unit, the JTAG interface module and the high-speed communication interface are connected with the high-speed system bus; and the low-speed communication interface, the timer module and the master clock module are connected with the low speed peripheral bus. The invention can conveniently realize a handheld UHF RFID reader with high integrated level, low cost, low power consumption and high generality.