Special ASIC (Application Specific Integrated Circuit) chip system for spaceflight

Abstract

The invention relates to a special ASIC (Application Specific Integrated Circuit) chip system for spaceflight. The special ASIC chip system comprises a MIPS (Million Instructions Per Second) nucleus, a PCI (Programmable Communications Interface) bus interface, an ISA (Internet Security And Acceleration) bus interface, a 1553B bus terminal interface, a 1553B protocol processor, a network interface, a CAN (Controller Area Network) interface, an EMI (External Memory Interface), AD acquisition control logic, OC door control logic, UART (Universal Asynchronous Receiver / Transmitter) serial port, PWM (Pulse Width Modulation) interface, a pulse counter PPC, PCM (Pulse Code Modulation) telemetry remote control module and a general input / output module, wherein the MIPS nucleus, the PCI bus interface, the ISA bus interface, the 1553B bus terminal interface, the 1553B protocol processor, a network interface, the CAN interface and the EMI are connected to an AMBA AXI (Advanced Microcontroller Bus Architecture Advanced eXtensible Interface) bus; and the AD acquisition control logic, the OC door control logic, the UART serial port, the PWM interface, the pulse counter PPC, the PCM telemetry remote control module and the general input / output module are connected to an AMBA APB (All Points Bulletin) bus; and the AMBA AXI bus is connected with the AMBA APB bus through an AXI / APB bridge.

Description

technical field [0001] The invention relates to the technical field of aerospace electronics, in particular to an ASIC chip system dedicated to aerospace. Background technique [0002] Aerospace electronic integration systems are usually installed on space equipment such as satellites and spacecraft, and are mainly used to realize the collection, processing, distribution and storage of space information. The development of aerospace electronic integrated system is closely related to the development of computer technology, digital data communication technology, control technology and electronic technology, and they promote each other. With the development of related technologies, the integrated system of aerospace electronics has developed from a simple centralized control system to the current distributed system. [0003] The distributed aerospace electronic integration system in the prior art usually uses the 1553B bus as the data exchange channel of each subsystem in the ...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of the existing chip system that the quality, volume, and power consumption are large, and the reliability and integration degree are not high, so as to provide a chip with high reliability and integration degree, and low volume and power consumption system

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