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TigerSharc-series DSP (digital signal processor) start management chip and method

A management chip and a series of technologies, applied in the field of startup management chips, can solve problems such as long startup time and affecting DSP fast startup, and achieve the effect of reducing difficulty in use and high confidentiality

Active Publication Date: 2016-07-20
CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will affect the fast start-up of the DSP, the longer the code length, the longer the start-up time

Method used

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  • TigerSharc-series DSP (digital signal processor) start management chip and method
  • TigerSharc-series DSP (digital signal processor) start management chip and method
  • TigerSharc-series DSP (digital signal processor) start management chip and method

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Embodiment Construction

[0034] Specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0035] Such as figure 1 As shown, the TigerSharc series DSP startup management chip is a startup management chip using FPGA components, including an interface unit, a dual-port RAM unit, a management unit and a DSP download management unit.

[0036] The interface unit includes PCI bus interface, CAN bus interface and RS232 bus interface, all of which are connected with the management unit and dual-port RAM unit, and provide various interfaces to external systems through the PCI communication module, CAN communication module and RS232 communication module. Among them, the dual-port RAM is used as a temporary receiving code and a temporary storage unit for starting the program.

[0037] The management unit is connected to the external control system through the control line, and is also connected to the dual-port RAM unit and the DSP download manag...

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PUM

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Abstract

A TigerSharc-series DSP (digital signal processor) start management chip comprises an interface unit, a double-port RAM (random access memory) unit, a management unit, a DSP download management unit, a Flash driving unit and a NOR Flash chip, wherein the management unit is connected with the Flash driving unit; the double-port RAM unit is connected to the NOR Flash chip through the Flash driving unit; the NOR Flash chip is communicated with the DSP download management unit through the Flash driving unit. The management chip provides two start modes including a NOR Flash chip start mode and an external bus start mode, and further, a Host boot start method is improved, so that the start speed of the TigerSharc-series DSP chip can be greatly increased.

Description

technical field [0001] The invention belongs to the technical field of digital signal processing, and relates to a startup management chip applied to TigerSharc series DSP chips. Background technique [0002] TigerSharc series DSP chips are ADI's high-performance DSP chips, which have super computing and processing capabilities, and their execution efficiency is as high as 4800MMACS. Four instructions can be executed in one clock cycle. This series of chips has multi-DSP cooperative processing capability, up to 8 DSP cooperative processing, suitable for high-speed and high-performance signal processing applications. [0003] Since TS20x has no on-chip non-volatile program memory, the chip can only be loaded with programs externally. There are 4 modes of program download: PROMboot, Hostboot, LinkPortboot and Noboot. Among them, PROMboot is more commonly used, but has poor confidentiality; LinkPortboot is mainly used for downloading programs between DSP chips, and its versa...

Claims

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Application Information

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IPC IPC(8): G06F9/44G06F11/07
CPCG06F9/4401G06F11/0757
Inventor 李震孙国斌张小松
Owner CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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