Key features
Integrated differential PLC analog front-end PGA with automatic gain control and ADC Current DAC with transmission predriver Digital transmission level control Zero crossing comparator Up to 500 kHz PLC signal bandwidth Integrated dual line driver 14 V p-p single ended, 28 V p-p differential output range Very high linearity for EMC compliance Externally configurable amplifier topology 1 A rms max. current Embedded overtemperature protection Suitable for all PLC signals up to 500 kHz Fully reprogrammable real-time engine (RTE) modem for PLC standards up to 500 kHz High accuracy metering front-end 3 independent 24-bit ΣΔ ADC channels 3.6 kHz bandwidth Dedicated DSP for turnkey calculation of metrology parameters Direct access to 24-bit ΣΔ data Integrated application core: ARM^® 32-bit Cortex™-M4F CPU 96 MHz maximum frequency 8-channel direct memory access controller 8-region memory protection unit Serial wire and JTAG interfaces Cortex-M4 Embedded Trace Macrocell™ Up to 86 multiplexed GPIOs 11 timers 1 flexible CRC calculation unit 5 USARTs (ISO 7816 compliant), 5 SPI, 3 I²C 12-bit general purpose ADC with 6 channels Cryptographic engine AES 128/192/256 engine True random number generator Memories 640 kB or 1 MB of embedded Flash 128 kB of embedded SRAM 8 kB of embedded shared RAM Flexible static memory controller Clock management 24 MHz external crystal for system clock with internal QFS synthesizer 32.768 kHz external crystal for RTC Power management 3.3 V and 8 - 18 V external supply voltages 1.2 V and 5 V integrated linear regulators

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