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Old June 11th, 2009   #2
Join Date: Feb 2006
Posts: 432
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There are some others on here that will be able to better answer your questions as far as minimum hardware as we have some folks that have implemented on PIC processors even.

Only 1 UART is required for RDM so that you can both transmit and receive. The main requirements are being able to adhere to the timing requirements, have enough processing still to do whatever the main function of your device is and then also parse and respond to the RDM messages that you choose to implement.

I tend to work with some of the larger Freescale processors (ColdFire family) so they are able to easily generate and detect Break conditions. Some of the lower end parts may require you to do it yourself. If you tell us which MCU you are using there are others here that may be able to give you some more detailed info.
Scott M. Blair
RDM Protocol Forums Admin
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