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TMS320C6748BZCE3 用户编程技术手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
DSP数字信号处理器
封装:
LFBGA-361
描述:
TMS320C6748定点和浮点DSP TMS320C6748 Fixed- and Floating-Point DSP
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3D模型
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应用领域在P13
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TMS320C6748BZCE3数据手册
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若手册格式错乱，请下载阅览PDF原文件
SPRA177A
Using C to Access Data Stored in Program Memory on the TMS320C54x DSP 3
Table 1. Description of Code Download Files
File Name Description
.pfunc\makenear.bat Windows batch file for building a PFUNC library with near memory model
.pfunc\makefar.bat Windows batch file for building a PFUNC library with far memory model
.\pfunc\include\pfunc.h C include file that supports the PFUNC libraries
.\pfunc\lib\pfunc.lib near memory model function library
.\pfunc\lib\pfunc_ext.lib far memory model function library
.\pfunc\src\blkread.asm source file for PFUNC_blkRead() function
.\pfunc\src\blkwrite.asm source file for PFUNC_blkWrite() function
.\pfunc\src\strread.asm source file for PFUNC_strRead() function
.\pfunc\src\strwrite.asm source file for PFUNC_strWrite() function
.\pfunc\src\wordread.asm source file for PFUNC_wordRead() function
.\pfunc\src\wordwrite.asm source file for PFUNC_wordWrite() function
.\example\example.pjt C5000 Code Composer Studio v2.1 project file for the example
.\example\main.c main() function for the example
.\example\table.asm assembly code data table file for the example
.\example\vc5416.cmd VC5416 DSP linker command file for the example (far memory model)
.\example\Debug\example.map .map file from the pre-built example (far memory model)
.\example\Debug\example.out pre-built example executable (far memory model)
The PFUNC Code Library
Six C-callable functions for manipulating data stored in program memory have been hand-coded
in TMS320C54x mnemonic assembly language for efficiency. These functions are:
Table 2. PFUNC Library Functions
Function Name Description
PFUNC_blkRead() copies a block from program memory to data memory
PFUNC_blkWrite() copies a block from data memory to program memory
PFUNC_strRead() copies a string from program memory to data memory
PFUNC_strWrite() copies a string from data memory to program memory
PFUNC_wordRead() copies a word from program memory to data memory
PFUNC_wordWrite() copies a word from data memory to program memory
The heart of each function uses the READA or WRITA mnemonic assembly function to access
the data in program memory. Each function is described in greater detail in Appendix A of this
application report.
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