Maxim introduced the MAX2990 OFDM-based, power-line communication (PLC) modem. This device employs advanced broadband-communication techniques to deliver cost-effective, two-way data communication over AC and DC power lines at speeds up to 100 Kbps. By using existing power lines, it reduces the need for external cables to interconnect between network nodes.
Supporting a wide, 10 kHz to 490 kHz frequency range, the device complies with international power-line signalling regulations, including CENELEC, FCC and ARIB. This highly integrated SoC is suitable for applications requiring high data rates over long distances, such as automatic meter reading (AMR), energy management and load control, lighting control, and building, industrial and home automation.
The MAX2990 combines the physical (PHY) and media access control (MAC) layers in a single chip that also integrates Maxim’s 16-bit RISC MAXQ microcontroller. The MAX2990 includes 32KB of Flash memory to run the MAC code and user-defined custom applications, plus 8 KB of SRAM for data memory. Additionally, it supports UART, SPI and I²C serial interfaces for glueless communication between the power line and other devices on the network.
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