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Programmable logic device and its access method

A programming logic and device technology, applied in the direction of logic circuits, instruments, electrical components, etc., can solve the problems of unfavorable hardware circuit miniaturization and integration, large PCB single board area, etc., to achieve area reduction, hardware design integration, cost saving effect

Active Publication Date: 2015-10-21
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The main purpose of the present invention is to provide a programmable logic device and its access method, so as to at least solve the problem that the above-mentioned PCB single board integrated with FLASH and PLD has a large area, which is not conducive to the miniaturization and integration of hardware circuit design

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  • Programmable logic device and its access method
  • Programmable logic device and its access method
  • Programmable logic device and its access method

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Embodiment Construction

[0014] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0015] figure 1 It is a schematic diagram of a programmable logic device PLD according to an embodiment of the present invention, the PLD includes: a power supply 10, a PLD module 20, and a flash memory (FLASH) 30, wherein the power supply 10 is used to provide operating power for the PLD module 20 and the flash memory 30 The flash memory 30 is used to store the data required by the PLD module 20 and / or the external processor; it is also used to accept the above-mentioned local data accessed by the PLD module 20 and / or the external processor.

[0016] In the related art, because the FLASH and the PLD exist as independent devices, in hardware implementation, the area of ​​the PCB integrated with the ...

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Abstract

A Programmable Logic Device (PLD) and an access method thereof are provided. The PLD includes: a power supply (10), a PLD module (20) and a flash (30). The power supply (10) is for providing a work power supply to the PLD module (20) and the flash (30); the flash (30) is for storing data needed by the PLD module (20) and / or an external processor (50), and for allowing the PLD module (20) and / or the external processor (50) to access the data. The PLD could reduce the area of the single board of a PCB effectively, save the cost, enable the hardware design to be more integrated and the usage to be more convenient, and be adapted to the application situation of the communication system hardware realization, which needs the simultaneous usage of the FLASH memory and the PLD.

Description

technical field [0001] The present invention relates to the communication field, in particular to a programmable logic device and an access method thereof. Background technique [0002] In the field of integrated circuits, with the increasing miniaturization of electronic components and the continuous improvement of integrated circuit technology, chip miniaturization and integration have become a trend, because the higher the degree of chip integration, the smaller the product volume , the lighter the weight, the more convenient the design, the better the stability and the lower the cost. [0003] In the hardware implementation process of communication equipment, it is often necessary to use FLASH (flash memory) storage devices and programmable logic devices (Programmable Logic Device, PLD) at the same time. Among them, FLASH storage devices are mainly used to store the startup code and file system of the processor. To ensure that the processor startup code is not lost when...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11C7/12G11C7/10
CPCH03K19/1776
Inventor 梁银会班卫全王雪松卢富华喻筱
Owner ZTE CORP