K1921VG015

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Ultra-low power 32-bit RISС-V microcontroller in a plastic package

K1921VG015 is a 32-bit microcontroller based on the RISC-V core architecture with internal non-volatile memory, multi-channel ADC, cryptographic coprocessor, serial interfaces, unauthorized access protection system , low current consumption in active mode with 50 MHz maximum operating frequency.

Description
Documentation
Software and hardware

Application area: measuring equipment, household gas and electricity meters, industrial automation, medical equipment.

Technical characteristics:

  • 32-bit CPU with a built-in Floating-Point Unit (FPU);
  • RCU reset and clock control system with 1MHz RC oscillator and SYSPLL frequency synthesizer;
  • PMUSYS system power management unit;
  • 1 Mbyte main Flash memory;
  • 256 Kbyte SRAM0 memory;
  • 64 Kbyte SRAM1 memory with battery power;
  • Unique 128-bit ID;
  • 32-channel Direct Memory Access (DMA) controller;
  • Battery-powered Real-Time Clock (RTC) unit, clocked by an external 32,768 kHz oscillator, with generation control and automatic transition to the internal oscillator in case of failures;
  • Tamper Pin with three inputs powered by the battery domain;
  • Cryptographic coprocessor, including a random number generator, CRC32 checksum calculation modules, hashing (HASH) and encryption modules using AES 128/256algorithms
  • Temperature sensor;
  • Watchdog timer;
  • Independent watchdog timer;
  • One 8-channel 16-bit sigma-delta ADC;
  • One 8-channel 12-bit SAR ADC;
  • Two analog comparators connected to the battery power domain;
  • Three 16-bit I/O ports;
  • One 32-bit timer;
  • Three 16-bit timers;
  • Five UART sequential ports;
  • Interface ports: – CAN 2.0B; – USB 2.0 Fullspeed (Device);
  • One I2C port;
  • Three SPI ports;
  • JTAG debug unit.