User-defined bus and achievement method thereof
A self-defined bus and bus technology, applied in the direction of instruments, electrical digital data processing, etc., can solve the problems of complex protocols, decreased communication effectiveness, complex high-speed buses, etc., to achieve simple communication protocols, save data transmission and processing time, and satisfy The effect of real-time transmission
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[0037] Example: such as image 3 As shown, the crystal oscillator 24 generates a clock signal and transmits it to the first programmable logic device 22, and the first programmable logic device 22 performs shaping, frequency division and other processing on the clock signal to generate a 50MHz bus clock signal line and A 2MHz transmit synchronous clock signal. Each 2MHz transmission synchronous clock is used to mark the start of a transmission cycle, and there are 25 50MHz bus clocks within each 2MHz transmission synchronous clock. The first transmission cycle begins, and the first receiving board 4 of the uplink receiving bus defines the received 4-way magnetic resonance signals as 4*32-bit data for transmission, and transmits a 32-bit data in each 50MHz bus clock; the second During the bus clock cycle when one receiving board 4 transmits data through the uplink receiving bus, the other receiving boards 4 are in a high-impedance state. Within the bus clock period after the ...
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