Integrated circuit suitable for high-speed 1553 bus protocol control

Abstract

The invention discloses an integrated circuit suitable for high-speed 1553 bus protocol control, which includes: a dual-channel communication protocol processing module, an external interface logic module, a configuration register module, a storage management module, a bit width selection module, a bus monitoring module, a bus Control Module, Remote Terminal Control Module and Clock / Reset Module. The invention has the advantages of integrating 10Mbps1553 protocol processing, bus transceiver, data storage and external communication functions. The communication rate of 1Mbps and 10Mbps can be replaced through the port setting, and data transmission / reception in two widths of 8-bit / 16-bit can be performed. Mainly used in aviation, aerospace measurement and control network, industrial control and other technical fields.

Description

technical field [0001] The invention relates to a system integrated circuit used for high-speed 1553 protocol control, belonging to the field of integrated circuits. Background technique [0002] MIL-STD-1553 data bus is widely used in aircraft, aviation, aerospace and other fields because of its high reliability and many advantages. In the past half a century, MIL-STD-1553 has been considered as the origin of what we commonly call cyber warfare today. It has realized the information sharing and transmission of various electronic equipment such as sensors and weapons, and has fundamentally changed the way the United States is the leader. Represents the way of fighting. However, with the birth of faster processors, the miniaturization of packaging and the innovation of software technology, the data transmission speed of 1553B, which is only 1Mbps, has undoubtedly become the bottleneck of information and data transmission, and it is imminent to launch a faster transmission me...

AI Technical Summary

Problems solved by technology

[0005] The main disadvantages of the 100M 1553 similar to the Extended 1553 and Hyper1553 are: 1. Although there is no need to change the original bus structure, cables, devices, etc., due to the modulation and demodulation carrier transmission mode, the transceiver circuit part needs Making relatively large changes will greatly increase the development cycle

[0006] As for SAE's 10Mbps 1553, according to the article, its transceiver circuit uses RS485 bus transceiver, which also has some shortcomings: 1. RS485 is an established protocol standard, and there is no room for change in the protocol, and the terminal resistor, There are also clear regulations on line length, etc., and the flexibility is poor; 2. Although RS485 can reach a transmission speed of 10Mbps and can also transmit a long distance, it is difficult to ensure that the voltage on the bus reaches the 28Vpp required by the 1553 bus specification during high-speed transmission; 3. The transceiver circuit using RS485, its transmission medium is no longer the original 1553 cable, it must be replaced with a dedicated RS485 cable, and the bus interface must also be replaced, which undoubtedly increases the cost of replacing the cable and interface, and It will take a long time to redeploy the existing 1553 system

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