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I have developed the 6701 system as follow: - enable to execute the user code in internal memory using JTAG - when the specific code is in boot ROM, enable to download the user code through RS232 or USB to SDRAM - when the user code is downloaded, enable to execute that code via monitoring S/W on PC. Then, in my system, I can execute the code both internal or external. Of course, in external memory, I use the internal memory as cache. But, some peripherals don't operate in external execution. So, I wonder that what are difference the code execution on internal or external memory. In my some tests, I verify that the control signals from DSP like /ARD. /AWR, /AOE are operated with same time condition. Maybe, some one is experienced about this? Reply about it to me, plz. From. Jae-wan Jang |