Shenzhen Mingjiada Electronics Sells STMicroelectronics ST75MMTR METERS AND MORE®-compliant Powerline Communications from Stock
The ST75MMTR is a flexible system-on-chip for powerline communication that combines a high-performance PHY processor and a protocol controller core, implementing the METERS AND MORE protocol standard as well as a fully-integrated analogue front-end (AFE) and line driver in a single chip for future-proof, compact and cost-effective smart grid solutions.
Features
Standards-compliant system-on-chip for power line communications for meters and more
High-performance, configurable DSP core for flexible PHY layer processing:
- Very robust B-PSK modulation with convolutional coding and Viterbi decoding, compliant with METERS AND MORE specification, at 4.8 kbps data rate.
- Optional high-speed mode with Q-PSK and 8-PSK modulation for data rates up to 28.8 kbps
- Optional dual-channel mode of operation
- Optional peak noise avoidance algorithm mode
- Signal-to-noise channel estimation
8-bit protocol engine with embedded METERS AND MORE-compliant data link layer packetisation.
Host controller UART interface up to 57.6 kbps
Embedded AES-128 encryption engine for data authentication and confidentiality services
Fully integrated analogue front-end:
- ADC and DAC
- Digital transmission level control
- PGA with automatic gain control
- High sensitivity receiver
Fully integrated single-ended power amplifier for line drives
- Up to 1 A rms, 14 V p-p output
- Configurable active filter topology
- Very high linearity
- Embedded temperature sensor
- Current control function
8 to 18 V power amplifier supplies
3.3 V or 5 V digital i/o power supply
Embedded over-zero detection for line phase identification
For applications complying with CENELEC EN50065, ARIB and FCC Part 15 standards
Embedded access protocol for EN50065-compliant applications in the 125 to 140 kHz band
Communication carrier frequency programmable up to 250 kHz
VFQFPN48 7 x 7 exposed pad package
-40 °C to +85 °C temperature range
Company Website: www.hkmjd.com
Contact Person: Mr. Sales Manager
Tel: 86-13410018555
Fax: 86-0755-83957753