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2011•Journal of Changchun Normal UniversityRequires access

The Design of Digital Storage Oscilloscope Based on CPLD

Zhong Chen

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Abstract

This paper introduces a digital storage oscilloscope that takes programmable logic device as main control core and realizes the control on display and input with MCU.In this system,the interface unit of high-speed signal acquisition module and data cache function is designed in CPLD according to the characteristic of ADC.The control on LCD display and keyboard input is realized using the simple and practicable treatment capacity of MCU.The combination of CPLD and MCU can make this system rapidly acquire input signal with CPLD and control low-speed LCD display with MCU.

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What this paper is about

This paper introduces a digital storage oscilloscope that takes programmable logic device as main control core and realizes the control on display and input with MCU.In this system,the interface unit of high-speed signal acquisition module and data cache function is designed in CPLD according to the characteristic of ADC.The control on LCD display and keyboard input is realized using the simple and practicable treatment capacity of MCU.The combination of CPLD and MCU can make this system rapidly acquire input signal with CPLD and control low-speed LCD display with MCU.

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Available abstract

This paper introduces a digital storage oscilloscope that takes programmable logic device as main control core and realizes the control on display and input with MCU.In this system,the interface unit of high-speed signal acquisition module and data cache function is designed in CPLD according to the characteristic of ADC.The control on LCD display and keyboard input is realized using the simple and practicable treatment capacity of MCU.The combination of CPLD and MCU can make this system rapidly acquire input signal with CPLD and control low-speed LCD display with MCU.

Key concepts: Complex programmable logic device, Microcontroller, Computer hardware, Digital storage oscilloscope, Oscilloscope, Control unit, SIGNAL (programming language), Computer science

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