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MICRF505/506 Basic: Handling the control interface

Posted: 03 Jul 2007 ?? ?Print Version ?Bookmark and Share

Keywords:radio transceiver? microcontroller? control interface?

MICRF505/MICRF506 operation is controlled through a "control word" or "programming word".

The control word is read/written through the "control interface", which in the RF chip is a "Slave" (note that the RF chip is a "Master" in the separate "data interface"). Typically, a microcontroller is used to control the RF transceiver. Typical strategies are:

Not using any micro controller built-in hardware modules
This should be selected if the micro does not have an available hardware module. Writing and reading are done bit-by-bit, also referred to as "bit-banging".

Using a built-in hardware module
This can be used if the microcontroller has an available hardware module. Typically, a synchronous serial module (like SPI).

This application note emphasizes some of the basic microcontroller procedures used when working with Micrel's MICRF505/MICRF506 radio transceiver: How to handle the "control interface" and how to build the "control word". The actual values used in the control word are not described here.

Please view the PDF document for more information.




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