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Application Report Abstract
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Using the TMS320C6000 McBSP as a High Speed Communication Port (Rev. A)

This document describes how to use the mulit-channel buffered serial ports (McBSP) in the Texas Instruments (TI) TMS320C6000™ digital signal processor (DSP) as a high-speed data communication port.

One McBSP of one C6000™ DSP device can be connected to a McBSP on another C6000 DSP device to serve as a high-speed data communication port. Typically, McBSPs of similar device numbers are interconnected to achieve inter-communication at high speeds. This application note describes the maximum speed achieved using a similar setup for each of the C6000 devices. This is necessary since timing numbers vary between devices due to the process technology and speed grades. To achieve the maximum data rate, it is necessary to connect the two serial ports such that one device behaves both as a clock master and frame master. The term master refers to a device that generates the required signal (such as clocks and frames). Based on the assumptions made in this application report, the Timing Analysis Section of this report provides a list of the timing constraints and maximum clock and transfer rates of the McBSPs in the C6000 device series.

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