Communication device, method and system and electronic equipment

The invention discloses a communication device, method and system and electronic equipment. The communication device comprises a first programmable logic device and a second programmable logic device.The first programmable logic device and the second programmable logic device are each provided with a first bus clock communication port, and the first programmable logic device transmits a first busclock to the second programmable logic device through the first bus clock communication port; the first programmable logic device and the second programmable logic device are each provided with a first bus frame header communication port, and the first programmable logic device transmits a first bus frame header to the second programmable logic device through the first bus frame header communication port; the first programmable logic device is provided with a first communication slot position, the second programmable logic device is provided with a second communication slot position, and thefirst communication slot po