STEVAL-IHP005V1

General purpose power line modem module is based on an ST7540 FSK power line modem transceiver and an STM32 microcontroller. The PLM module board is a fully functional communication module with 8 programmable I/Os, a real-time clock and flash memory area for modem parameters and user data storage. The firmware structure is made up of several layers, each dealing with a different feature. The application layer engine is the general interface between the user program and all the parts of the module. It deals with the communication ports, the module peripherals such as SPI, SCI, RTC, I/Os, LEDs and timing management. It is also the interface between the PLM stack and the user program. The PLM stack, itself made up of several layers, implements and manages the power line communication, manages the conflicts, timing and repetitions, the addressing and so on.

• Configurable FSK power line modem interface with an embedded firmware stack
• SPI and USART interfaces for module interfacing
• Internal configurable RTC time-clock with lithium back-up battery
• Programmable user data and PLM parameters flash memory area
• Embedded data, programming and service APIs
• Up to 100bytes of user data payload
• CSMA/CA and repetitions management
• Unicast and broadcast data frame capability
• Configurable PLM data link stack working model
• Up to 8 user-configurable general purpose input/output pins

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