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Method for designing voice microprocessor

A microprocessor and design method technology, applied in the direction of machine execution devices, etc., can solve the problems of storage usage, low data throughput rate, and inability to be used as a program at the same time

Inactive Publication Date: 2011-05-04
HANGZHOU XINSAI MICRO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Because the general-purpose serial flash memory chip is an SPI protocol, the data throughput rate is low, and the existing voice microprocessor only uses it to store voice data, and cannot be used as a program storage at the same time

Method used

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  • Method for designing voice microprocessor

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Embodiment Construction

[0014] In the following detailed description, specific details are described in order to provide a thorough understanding of the present invention. Those skilled in the art will recognize, however, that the invention may be practiced with other similar details.

[0015] attached figure 1 It is a kind of embodiment of the present invention, because the interface SPI interface of universal serial flash memory chip is a serial mode, the data reading speed is slow, in order to improve the execution efficiency of program instruction, designed CACHE SYSTEM (program cache) in internal structure , using the form of instruction prefetching and dynamic update to ensure that the instruction efficiency of the microprocessor will not be significantly reduced.

[0016] attached figure 1 The SPI Flash CONTROLLER (serial bus controller) module in the middle realizes the read and write control of the off-chip general serial flash memory chip, and locks when the voice microprocessor needs t...

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Abstract

The invention relates to a method for designing a voice microprocessor, particularly, the program of the voice microprocessor directly operates on a universal serial flash memory chip; the universal serial flash memory chip can be selected in accordance with capacity based on the actual requirement; and compared with the fixed capacity of the program in the voice microprocessor, a user application program is not restricted by the capacity.

Description

technical field [0001] The invention relates to a design method for a voice microprocessor. Specifically, the program of the voice microprocessor directly runs on a general-purpose serial flash memory chip, and the general-purpose serial flash memory chip can be selected according to capacity according to actual needs. Compared with the fixed program capacity in the microprocessor, the user application program may not be limited by the capacity. Background technique [0002] With the increasing popularity of embedded smart electronic products, voice, touch, and visual interfaces will become more important, which is the so-called "natural user interface". More and more electronic products use microprocessors with voice functions device. The voice microprocessor not only has the function of the voice chip, but also has the control performance of the microprocessor, which greatly reduces the cost of purchasing the microprocessor chip and the voice chip at the same time, reduce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/30
Inventor 袁胜
Owner HANGZHOU XINSAI MICRO ELECTRONICS
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