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Efficient utilization of available memory in a TMS320C54x DSP sometimes requires the placement of data in program space memory (as opposed to data space memory). However, accessing this data using the C programming language is problematic, since the C-compiler provides no mechanism for accessing program space. This application note presents a solution for accessing data stored in program space memory using C on the TMS320C54x DSP. A C-callable library of six assembly code functions for accessing data in program memory (including extended program memory) is also provided.

Using C to Access Data Stored in Program Memory on the TMS320C54x DSP (Rev. A) (PDF 211 KB)
01 Aug 2005

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Using C to Access Data Stored in Program Memory on the TMS320C54x DSP (Rev. A) (ZIP 22 KB)
01 Aug 2005

Digital Signal Processors

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