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Introduction

Many applications require that a host controls the operation of a DSP-system in order to start specific actions or read-out results from DSP operations. Mostly this is done via a graphical user-interface (GUI). The DSK development boards of Texas Instruments are connected to a host-PC either via a printer port or via an USB-connection. In these tutorials here we will deal with the DSK-6416 board, which connects to the host via a USB-connection. This USB-link implements a JTAG interface and is primarily used for loading program files from the host-PC and for debugging.

The same link is also available for the user to transfer data from the host to the DSK-board and vice versa. TI implemented for this purpose a communication channel architecture called RTDX. The basic functionality is similar to I/O-channels found in major operating systems. In order to function it needs a running "CodeComposer Studio" program on a PC, which has to be connected by hardware and software to the DSK-board: the RTDX-link is for development purposes only and has to be replaced by other link-implementations, such as a standard serial or USB link, in final applications.

For details of the DSK6416-board see the user manual. In short: it implements the 32-bit fixed-point DSP 6416 of TI. It has 1MB memory on-chip, 16MB of external RAM and 512KB of flash memory.


next up previous
Next: Tutorials Up: RTDX Tutorial Version 1.0 Previous: RTDX Tutorial Version 1.0
H. Rogalla 2005-12-07