The Konnex PL132 power line modem reference design is based on Motorola's M68HC08 family. The MC68HC908GR8 8-bit microcontroller unit (MCU) controls a half duplex synchronous FSK modem device.
The reference design consists of: the hardware design of the PCBs; software development of the physical and data-link layers according to the Konnex PL132 specification; and a demo application communicating bi-directionally.
The MCU is where the central part of the physical layer and the data link layer are implemented. The FSK modem device chip, with external coupling circuits, serves as part of the physical layer of the ISO-OSI reference model. An interface to the higher layers is implemented through API functions. Because this reference design is intended as a demonstration, a basic proprietary implementation of an application layer, dedicated to a particular end-device, is also made.
Applications can be found in home automation. The Konnex PL132 Power Line Modem Reference Design was created in the MCSL Motorola Czech Systems lab, in Rosnov.
For more information contact Arrow Altech Distribution, 011 923 9600, Avnet Kopp, 011 809 6100, or EBV-Electrolink, 021 421 5350.
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