Intelligent network card capable of being independently powered on and started and power-on starting method of intelligent network card
A technology of smart network card and electric start, applied in the field of smart network card, can solve the problems of poor maintainability of smart network card, and achieve the effect of reliable design principle, easy debugging and simple structure
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Embodiment 1
[0034] Please refer to figure 1 , the present embodiment provides an independent power-on smart network card, including: a system chip SOC, a field programmable logic gate array and a local clock, and the field programmable logic gate array includes a first PCIE core HPI 0 and a second PCIE core HPI 1; The field programmable logic gate array is powered on and enters the startup state, the first PCIE core HPI0 obtains the first clock signal from the system chip SOC through the first connection link, and the second PCIE core HPI 1 obtains the first clock signal from the local clock signal through the second connection link Get the second clock signal. Among them, the local clock includes: a local clock source CLK GEN, a clock switching module CLK MUX and a complex programmable logic device, and the clock switching module CLK MUX includes a first input port, a second input port and an output port; the first input port is connected to the local clock source CLK GEN; the second in...
Embodiment 2
[0037] The present embodiment provides a kind of independent power-on smart network card, including: system chip SOC, field programmable logic gate array and local clock, field programmable logic gate array comprises the first PCIE core HPI0 and the second PCIE core HPI1; The programmable logic gate array is powered on and enters the startup state. The first PCIE core HPI 0 obtains the first clock signal from the system chip SOC through the first connection link, and the second PCIE core HPI 1 obtains the first clock signal from the local clock through the second connection link. Two clock signals. The smart network card is provided with a power supply interface, and the power supply interface is a gold finger, which can receive external power supply. After power-on, the clock signal is directly provided to the field programmable logic gate array by the local clock and the system chip.
Embodiment 3
[0039] Please refer to figure 2 , the present embodiment provides a method for independently powering on the smart network card. After the smart network card is powered on, the system chip sends the first clock signal to the first PCIE core of the field programmable logic gate array, and the added local clock sends the field programmable logic gate array The second PCIE core of the gate array sends the second clock signal; the field programmable logic gate array completes the initialization process according to the first clock signal and the second clock signal and enters the working mode. The complex programmable logic device of the local clock monitors the in-position status of the main board, and if it monitors the in-position signal of the main board, it sends a clock switching signal to the clock switching module of the local clock; the clock switching module disconnects the local clock source link of the local clock and leads The clock signal of the mainboard reference ...
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