DAT095 Project Renewal-Implementation of a MP3 Player on a FPGA
[Examensarbete på avancerad nivå]
This thesis has the intention to create a base for renewal of the DAT095 (Electronic System Design Project) course. As a basis for the new project, implementation of a LEON3 processor on a FPGA board was done and a MP3 player application was run on it. The MPG123  application's source code was used and modified according to the system and by using hardware/software co-design techniques a complete system was designed. The audio interface hardware core was designed according to the requirements of the digital to analog converter MCP4288 . Necessary interfaces were implemented according to the AMBA bus. A demonstrator was built on the Digilent Spartan3 xc3s1000 board . During the analysis of the MP3 decoder, it was seen that the Inverse Discrete Cosine Transform (IDCT) part of the decoder algorithm was too computation-intensive and a hardware implementation for that part was made and attached to the processor‟s AMBA bus as a slave. The MP3 decoder software and the IDCT hardware were working together to decode the data. Finally the development platform was changed to Digilent Atlys Spartan6 FPGA development board  that gave a m
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