STMicroelectronics ST7590

Description

ST7590 is the first complete Narrowband OFDM power line communication system-on-chip made using a multi-power technology with state of the art VLSI CMOS lithography. The ST7590 is based on dual core architecture to assure outstanding communication performance with a very high level of flexibility and programmability for either open standard or fully customized implementations.

Features

■ Fully integrated narrow-band power line networking system-on-chip
■ High performing DSP engine with embedded turn-key firmware for Orthogonal frequency division multiplexing (OFDM) modulation, featuring:
– 96 sub-carriers in CENELEC A band
– BDPSK, QDPSK, 8DPSK programmable modulations
– Programmable bit rate up to 128 kbps
– Convolutional coding and Viterbi decoding
– Signal to noise ratio and channel quality estimation
– Full PRIME compliant PHY
■ On chip peripherals:
– Host controller UART/SPI interface
– I2C/SPI external data memory interface
– High speed SRAM controller for optional external SRAM program code execution
– Watchdog timer
■ On chip 128 bit AES encryption HW block
■ Fully integrated analog front end:
– ADC and DAC
– High sensitivity receiver
– High linearity transmitter with intelligent gain control
■ Fully integrated power line driver
– Up to 1 Arms, 14 Vpp single ended
– Configurable active filtering topology
– Ultra low distortion
– Embedded temperature sensor
– Current control
■ 3.3 V or 5 V I/O digital I/O supply
■ Integrated 5 V and 1.8 V linear regulators for AFE and digital core supply
■ 8 V to 18 V line driver power supply
■ Suitable for applications compliant with EN50065 and FCC part 15 specifications
■ -40 °C to +85 °C temperature range
■ QFN48 7x7 (ST7590) and TQFP 100 14x14 (ST7590T) exposed pad package options

Application

PRIME compliant smart metering and smart grid applications.