PSOC-based general data processing system

Abstract

The invention discloses a general data processing system based on a PSOC. A Flash module is connected with the PSOC; the memory chip is connected with the PSOC; the Ethernet interface module is connected with the PSOC chip; the Cameralink module is connected with the PSOC chip, and the Cameralink module is connected with the The CAN transceiver is connected with the PSOC chip; the CAN FD module is connected with the PSOC chip; the RS485 module is connected with the PSOC chip; the RS422 module is connected with the PSOC chip; the synchronous bus interface is connected with the PSOC chip; the SRIO interface is connected with the PSOC chip; the PCIE interface is connected with the PSOC chip; and the parallel bus interface is connected with the PSOC chip. The PSOC is adopted as a processor, so that the data processing requirement can be met, and abundant peripheral interfaces can be expanded through on-chip logic resources.

Description

Technical Field

[0001] The present invention relates to a general data processing system based on PSOC, and more specifically to a general data processing module with rich interfaces in the field of new weapon systems, which can be integrated on a 3U or 6U board to realize multiple applications. Background Art

[0002] At present, with the rapid development of information technology and the requirements of autonomy and control, the products in the field of new weapons have higher and higher requirements for integration, requiring data processing modules to be miniaturized, universal, and have a rich variety of interfaces. At the same time, clear requirements for autonomy and control are also put forward. The devices used must achieve 100% autonomy and control. Therefore, communication processing modules are needed to achieve highly integrated domestic products. However, the traditional use of a single processor to achieve highly integrated domestic products with rich interfaces is destined to be unable to meet new requirements in terms of the number and size of peripheral devices used, resulting in increased device costs and inflexible integrated application methods. Summary of the invention

[0003] The present invention provides a general data processing system based on PSOC. The present invention adopts PSOC as a processor, which can not only meet the data processing requirements, but also expand abundant peripheral interfaces through on-chip logic resources, improve the integration of data processing modules, reduce the cost of device use, and flexibly cut interfaces, thereby solving the problem of board design flexibility.

[0004] The technical solutions to the above problems are as follows: A general data processing system based on PSOC, comprising: PSOC chip, the PSOC chip includes a processor system part with a PS end and a programmable logic part with a PL end; Flash module, the Flash module is connected with PSOC; Memory module, memory chip connected to PSOC; Ethernet interface module, the Ethernet interface module is connected with the PSOC chip; Cameralink module, Cameralink module is connected with PSOC chip; CAN transceiver, the CAN transceiver is connected with the PSOC chip; CAN FD module, the CAN FD module is connected with the PSOC chip; RS485 module, RS485 module is connected with PSOC chip; RS422 module, RS422 module is connected with PSOC chip; A synchronous bus interface, the synchronous bus interface is connected with the PSOC chip; SRIO interface, SRIO interface is connected with PSOC chip; PCIE interface, the PCIE interface is connected with the PSOC chip; A parallel bus interface is connected to the PSOC chip.

[0005] Furthermore, the Flash module adopts SM25QU256MX of Shenzhen Guowei, and is connected to the Flash module through QSPI0 configured on the PS end of the PSOC chip.

[0006] Furthermore, the Ethernet interface module is a Gigabit Ethernet PHY interface chip, which is connected to the Gigabit Ethernet PHY interface chip via an MIO port at the PS end of the PSOC chip.

[0007] Furthermore, the PL side of the PSOC chip integrates the CAN controller and CAN FD controller using IP Core; The PL end of the CAN controller integrated in the PSOC chip is connected to the CAN transceiver; It also includes a digital isolator. The PL end of the CAN FD controller integrated in the PSOC chip is connected to the digital isolator, and the digital isolator is connected to the CAN FD module.

[0008] In the present invention, a fully programmable PSOC chip is used, and a high-performance processor and programmable logic resources are integrated in a single chip to form a feature-rich on-chip programmable system with strong data processing capabilities. The processor end includes rich I / O peripherals, and the logic end provides the flexibility and scalability of FPGA, which can fully address the above new requirements. Therefore, a general data processing module implemented based on PSOC as the main processor can reduce the number of devices used, reduce costs, miniaturize the size, and improve integration.

[0009] Compared with the prior art, the beneficial effect of the present invention is that all chips and modules in the system can be domestic products. The domestic general data processing module based on PSOC of the present invention has flexible and diverse application modes and rich interfaces including high-speed communication interface, low-speed communication interface, image interface, etc., and can realize data collection, data processing, image output and other applications according to different needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a system principle block diagram of the present invention; Figure 2 It is a structural layout diagram of the present invention. DETAILED DESCRIPTION

[0011] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0012] like Figure 1 to Figure 2 As shown, a general data processing system based on PSOC of the present invention comprises: PSOC chip, the PSOC chip uses Shanghai Fudan Micro FMQL45T900, which includes a processor system part with a PS end and a programmable logic part with a PL end. The PS end integrates a quad-core processor, and the PL end integrates 350k programmable logic resources. The quad-core CPU is the core of the processor system, and it works with on-chip memory, external memory interface DDR, various system functional components, I / O peripherals, and programmable logic parts. Various software functional modules reside on the processor end to complete information processing and data forwarding.

[0013] Flash module, the Flash module is connected to the PSOC, and the Flash module is used as a system configuration file storage. In this embodiment, the Flash module adopts SM25QU256MX of Shenzhen Guowei, and is connected to the Flash module through the PS terminal QSPI0 of the PSOC chip.

[0014] Memory module, memory chip is connected to PSOC; the memory chip is SM41J256M16M from Guowei, two chips are installed on the PS and PL ends respectively, the PS end is configured with 1GB memory expansion, and the PL end is configured with 1GB memory expansion.

[0015] The Ethernet interface module is connected to the PSOC chip; the Ethernet interface module is a Gigabit Ethernet PHY interface chip, which is connected to the Gigabit Ethernet PHY interface chip through the MIO port of the PS end in the PSOC chip.

[0016] In this embodiment, a 1-channel Gigabit Ethernet PHY interface chip uses the JEM88E1111HV chip of China Electronics Technology Group Corporation 32 Institute, which is connected to the PHY chip through the MIO port on the PS end to achieve MAC to PHY conversion, and lead out the MDI interface and the transformer center tap voltage 2.5V to the FMC connector, and realize Gigabit Ethernet transmission by placing a network transformer on the carrier board.

[0017] Cameralink module, Cameralink module is connected to PSOC chip. In this embodiment, 1-way Cameralink interface output is extended through PL end, Base mode, Cameralink module adopts Chengdu Zhenxin Technology GM8283, 28-bit programmable data selection parallel-to-serial conversion transmitter, PL end is connected to the parallel interface of Cameralink module, converted into 4-way serial LVDS data stream, and completes the output in video / image transmission.

[0018] CAN transceiver, the CAN transceiver is connected to the PSOC chip. In this embodiment, 4 CAN2.0 interfaces are extended through the PL end, the PL end of the PSOC chip integrates the CAN controller in an IP Core manner, and the PL end of the CAN controller integrated in the PSOC chip is connected to the CAN transceiver.

[0019] In this embodiment, the CAN transceiver uses the isolated CAN transceiver SIT1050ISO produced by Jiangsu Xinlite, and the PL end is connected to the transmit and receive pins of the CAN transceiver.

[0020] A CAN FD module is provided, and the CAN FD module is connected to the PSOC chip. In the present embodiment, a digital isolator is also provided. The PL end of the PSOC chip expands 4 CAN FD interfaces, and the PL end of the PSOC chip integrates a CAN FD controller in an IP Core manner. The PL end of the CAN FD controller integrated in the PSOC chip is connected to the digital isolator, and the digital isolator is connected to the CAN FD module.

[0021] Preferably, the CAN FD transceiver uses Jiangsu Xinlite's SIT1042T, which supports 5Mbps CAN FD flexible data rate. The PL end is connected to the Xinbaiwei CBMuD1201 high-speed 2-channel digital isolator, and the digital isolator is then connected to the SIT1042T send and receive pins.

[0022] RS485 module, RS485 module is connected to PSOC chip. In this embodiment, one RS485 interface is extended through PL end, RS485 module uses Jiangsu Xinlite SIT3485E, after configuring RS485 module through PL end, it can be applied for RS485 communication and PPS signal reception according to demand.

[0023] RS422 module, RS422 module is connected to PSOC chip. In this embodiment, 2 RS422 interfaces are extended through PL end, and RS422 module uses Jiangsu Xinlite SIT3490, which is mainly used for RS422 interface communication.

[0024] The synchronous bus is connected to the PSOC chip. In this embodiment, a synchronous differential clock based on the CAN bus level is extended through the PL end, and the CAN transceiver uses the isolated CAN transceiver SIT1050ISO of Jiangsu Xinlite, which can be used as the transmitting end of the synchronous bus and the receiving end of the synchronous bus through the PL end configuration.

[0025] SRIO interface, the SRIO interface is connected to the PSOC chip. In this embodiment, a 1-way SRIOx4 interface is implemented through the PL end, the maximum rate is 3.125Gbps, the AC coupling capacitor is placed at the receiving end, and there is no AC coupling capacitor at the sending end.

[0026] PCIE interface, PCIE interface is connected to PSOC chip. In this embodiment, 1 PCIex1 interface is realized through PL end, EP mode, different MCS can be solidified to instantiate PCIE port to different physical BANK, rate is 2.5Gbps, AC coupling capacitor is at the transmitting end, there is no AC coupling capacitor at the receiving end, and the module reserves local clock.

[0027] Parallel bus interface (Parallel), the parallel bus interface is connected to the PSOC chip. In this embodiment, a 16K×16bit parallel bus interface is implemented through the same BANK of the PL end, including address, data and control signals.

Claims

1. A general data processing system based on PSOC, characterized in that: include: PSOC chip, the PSOC chip includes a processor system part with a PS end and a programmable logic part with a PL end; Flash module, the Flash module is connected with PSOC; Memory module, memory chip connected to PSOC; Ethernet interface module, the Ethernet interface module is connected with the PSOC chip; Cameralink module, Cameralink module is connected with PSOC chip; CAN transceiver, the CAN transceiver is connected with the PSOC chip; CAN FD module, the CAN FD module is connected with the PSOC chip; RS485 module, RS485 module is connected with PSOC chip; RS422 module, RS422 module is connected with PSOC chip; A synchronous bus interface, the synchronous bus interface is connected with the PSOC chip; SRIO interface, SRIO interface is connected with PSOC chip; PCIE interface, the PCIE interface is connected with the PSOC chip; A parallel bus interface is connected to the PSOC chip.

2. A general data processing system based on PSOC according to claim 1, characterized in that: The Flash module uses Shenzhen Guowei's SM25QU256MX, which is connected to the Flash module through the QSPI0 configuration of the PSOC chip's PS end.

3. A general data processing system based on PSOC according to claim 1, characterized in that: The Ethernet interface module is a Gigabit Ethernet PHY interface chip, which is connected to the Gigabit Ethernet PHY interface chip through the MIO port of the PS end in the PSOC chip.

4. A general data processing system based on PSOC according to claim 1, characterized in that: The PL side of the PSOC chip uses IP Core to integrate the CAN controller and CAN FD controller; The PL end of the CAN controller integrated in the PSOC chip is connected to the CAN transceiver; It also includes a digital isolator. The PL end of the CAN FD controller integrated in the PSOC chip is connected to the digital isolator, and the digital isolator is connected to the CAN FD module.

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