Parameter adjustment system for analog modules

An analog module and parameter adjustment technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as complex switching circuits, and achieve the effects of simple connection relationship, cost saving, and stable structure

Active Publication Date: 2017-06-06
SHANGHAI HUAHONG GRACE SEMICON MFG CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Third, the bus switch is used to switch between three sets of data lines, and each set of data lines has K roots. When the value of K is large, the switching circuit inside the bus switch will become very complicated.

Method used

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  • Parameter adjustment system for analog modules
  • Parameter adjustment system for analog modules

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Embodiment Construction

[0023] see figure 2 , the parameter adjustment system of the analog module of the present application includes a built-in self-test module 10 , a user function module 20 , a bus switching switch 30 and a plurality of analog modules 40 . figure 2 Five analog modules 40 are exemplarily shown in FIG. All the simulation modules 40 involve a total of K parameters, K is a natural number greater than 2, and each parameter also has a different bit width. figure 2 K=9 is exemplarily shown in .

[0024] The built-in test module 10 is mainly used to adjust the parameters of each simulation module 40 in the test mode, test the output of the simulation module 40 under the corresponding parameters, and finally determine the best working parameters of the simulation module 40 . The BIST module 10 usually also performs other tests on the analog modules 40 . There are no built-in parameter registers in the built-in self-test module 10 . The built-in self-test module 10 is connected to t...

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Abstract

The invention discloses a parameter adjusting system for analog modules. The parameter adjusting system comprises a built-in self-testing module, a user function module, a bus switch and a plurality of analog modules, the analog modules totally have a plurality of parameters, the built-in self-testing module is connected with the bus switch through a register access bus, the user function module is connected with the bus switch through the register access bus, the bus switch is connected with the analog modules through the register access bus, the register access bus comprises an address bus, a data bus and a control bus, one or a plurality of parameter registers are internally arranged in each analog module in the whole parameter adjusting system for the analog modules, the number of the parameter registers built in each analog module is equal to that of the parameters of the analog module, and each parameter register is provided with a unique register address. The parameter adjusting system has the advantages of standard structure, small area and clear connecting line.

Description

technical field [0001] The present application relates to an application-specific integrated circuit (ASIC, Application-specific integrated circuit), in particular to a system for adjusting parameters of multiple analog modules. Background technique [0002] see figure 1 , which is an existing analog module parameter adjustment system, including a built-in self-test module 10, a user function module 20, a bus switch 30 and a plurality of analog modules 40. figure 1 Five analog modules 40 are exemplarily shown in FIG. All the simulation modules 40 involve a total of K parameters, K is a natural number greater than 2, and each parameter also has a different bit width. figure 1 K=9 is exemplarily shown in . [0003] A first group of parameter registers 11 is built in the built-in self-test module 10, the number of which is K, and the size corresponds to the bit width of the K parameters respectively, and is used to store the K parameters respectively. The built-in self-test...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 雷冬梅赵锋张爱东
Owner SHANGHAI HUAHONG GRACE SEMICON MFG CORP
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