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Multi-master comm using RIIC in RX62N, RX621

Posted: 13 Mar 2012     Print Version  Bookmark and Share

Keywords:RIIC module  microcontrollers  bus interface 

Here's an application note that presents an example of communication in multi-master mode using the RIIC (I2C bus interface) module provided by Renesas microcontrollers. The sample program first performs a master mode transmission operation (10B) and then performs a master mode reception operation (10B). It uses a communication bit rate of 100 kbps.

The target devices are RX62N Group and RX621 Group. The sample program provided in this application note can also be used with other RX Family microcontrollers that have the same I/O registers (peripheral control registers) as the RX62N Group and RX621 Group devices. Note, however, that there are changes such as added functionality in certain sections, so users must check the corresponding manuals carefully. Operation must be fully evaluated in advance if the code in this application note is used in an end product.

View the PDF document for more information.

Originally published by Renesas Electronics at www.renesas.com as "RX62N Group, RX621 Group: RIIC Multi-Master Communication".





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