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STMicroelectronics ST8500 Programmable PLC Modem System on Chip

STMicroelectronics ST8500 Programmable Power Line Communication (PLC) Modem System on Chip is able to run any PLC protocol up to a 500kHz frequency band. The ST8500 targets CENELEC EN50065, FCC, and ARIB compliant applications supporting all major PLC protocol standards. These standards include ITU G.9904 (PRIME), ITU G.9903 (G3-PLC®), and many other possible PLC protocol specifications and evolutions.

Features

  • Programmable power line communication (PLC) modem System on Chip

  • Integrated differential PLC analog front-end
    • PGA with automatic gain control and ADC
    • DAC with transmission pre-driver
    • Digital transmission level control
    • Zero crossing comparator
    • Up to 500kHz PLC signal bandwidth

  • Standard Arm® 32-bit Cortex® -M4F fully programmable core for protocol upper layers and peripherals management
    • 200MHz maximum frequency
    • 256kB of embedded SRAM for code and data
    • 96kB of embedded SRAM for data
    • 8kB of embedded shared RAM
    • Bootloader ROM memory
    • One Time Programmable (OTP) memory with dedicated areas available for secure keys and user information storage
    • Serial wire and JTAG interfaces
    • 24 multiplexed GPIOs
    • 4 general purpose timers
    • 1 flexible CRC calculation unit
    • 2 USART, 1 UART, 3 SPI, 1 I2C
  • High performance, fully programmable real-time engine dedicated to PLC PHY and real-time MAC protocol management (400MHz max. frequency)
    • Dedicated code and data SRAM memories

  • Cryptographic engine
    • AES 128/192/256 engine
    • True random number generator
    • Pseudo-random number generator

  • Clock management:
    • 25MHz external crystal for system clock
    • Integrated 25MHz oscillator (XOSC) with frequency synthesizer (FS) and pre-scaler units to generate internal clock signals

  • Power management
    • 3.3V external supply voltage for I/O and analog
    • 2.5V internal linear regulator for analog
    • 1.1V external supply voltage for digital
    • Normal, Slow, Doze, and low power modes

  • Available in QFN56 package
  • -40°C to +105°C temperature range

Applications

  • Smart metering, smart grid, and Internet of Things (IoT)
  • Suitable for application design compliant with CENELEC, FCC, and ARIB regulations

Block Diagram

Block Diagram - STMicroelectronics ST8500 Programmable PLC Modem System on Chip
Pubblicato: 2018-06-05 | Aggiornato: 2023-02-08