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Processors/DSPs  

Suggestions for ST10 UART

Posted: 08 May 2009     Print Version  Bookmark and Share

Keywords:ST10  asynchronous/synchronous serial  RS232 

This application note by STMicroelectronics gives advice on using the asynchronous/synchronous serial (ASC) peripherals present in the ST10 and in particular, the asynchronous operations will be considered. A brief guide in the configuration of the peripheral and how to connect it to an RS232 interface or RS485 network is followed by an analysis of the sources of timing problems and how to minimise them to allow correct and error-free communications.

Unlike the old microcontrollers of the ST10 family, two ASC interfaces are implemented on the latest ST10F27x and ST1025x, one as a standard peripheral and the other one mapped on the XBUS. The so-called standard module, instead, is present on all the devices of the ST10 family. The main differences between the two interfaces are limited to the programming model and interrupt management; in terms of general functionality and performance the two modules are equivalent.

View the PDF document for more information.





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