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Manufacturer Part #


STM32F Series 32 kB Flash 4 kB RAM ARM Based 32-Bit Microcontroller - LQFP-64

Mfr. Name: STMicroelectronics
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Technical Attributes
Attributes Table
Family Name: STM32F
Core Processor: ARM Cortex M0
Program Memory Type: Flash
Flash Size (Bytes): 32kB
RAM Size: 4kB
Speed: 48MHz
No of I/O Lines: 55
InterfaceType / Connectivity: I2C/I2S/SPI/USART
Peripherals: Analog Comparators/I2C/I2S/On-Chip-ADC/On-Chip-DAC/SPI/USART/Watchdog
Number Of Timers: 8
Supply Voltage: 1.8V to 3.6V
Operating Temperature: -40°C to +85°C
On-Chip ADC: 19-chx12-bit
On-Chip DAC: 1-chx12-bit
Watchdog Timers: 2
Package Style:  LQFP-64
Mounting Method: Surface Mount
Features & Applications

The STM32F051R6T6 is a high-performance advanced ARM Cortex™-M0 32-bit RISC microcontroller. It has a core operating frequency of 48 MHz  with high-speed embedded memories and an extensive range of enhanced peripherals,I/Os.

It operating voltage ranging from 2.0 to 3.6 V, and offer standard communication interfaces with comprehensive set of power-saving modes, which allows the design for low-power applications.


  • Core: ARM 32-bit Cortex™-M0 CPU, frequency up to 48 MHz
  • Memories:
    • 16 to 64 Kbytes of Flash memory
    • 8 Kbytes of SRAM with HW parity checking
  • CRC calculation unit
  • Reset and power management
    • Voltage range: 2.0 V to 3.6 V
    • Power-on/Power down reset (POR/PDR)
    • Programmable voltage detector (PVD)
    • Low power modes: Sleep, Stop, Standby
    • VBAT supply for RTC and backup registers
  • Clock management:
    • 4 to 32 MHz crystal oscillator
    • 32 kHz oscillator for RTC with calibration
    • Internal 8 MHz RC with x6 PLL option
    • Internal 40 kHz RC oscillator
  • Up to 55 fast I/Os:
    • All mappable on external interrupt vectors
    • Up to 36 I/Os with 5 V tolerant capability
  • 5-channel DMA controller
  • 1 × 12-bit, 1.0 μs ADC (up to 16 channels)
    • Conversion range: 0 to 3.6 V
    • Separate analog supply from 2.4 up to 3.6
  • One 12-bit D/A converter
  • Two fast low-power analog comparators with programmable input/output
  • Up to 18 capacitive sensing channels
  • Up to 11 timers
  • Calendar RTC with alarm and periodic wakeup from Stop/Standby
  • Communication interfaces
  • Serial wire debug (SWD)
  • 96-bit unique ID


  • Industrial
  • Automotive
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