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STM32F Series 32-bit 128 KB Flash 24 kB RAM ARM Based Microcontroller - LQFP-64

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Brands: STMicroelectronics, Inc

Mfr.Part #: STM32F302RBT6

Datasheet: STM32F302RBT6 Datasheet (PDF)

Package/Case: LQFP64

Product Type: Embedded Processors & Controllers

RoHS Status:

Stock Condition: 2338 pcs, New Original

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STM32F302RBT6 General Description

STM32F302 Series Microcontrollers, STMicroelectronics

STMicroelectronics STM32 F302 mixed signal microcontroller with the 32-bit ARM Cortex M4 core operates on the 72 MHz frequency and comes with integrated analogue peripherals such as DACs, ADCs, DSP and FPU (floating point unit) and CCM (core coupled memory).

Comparators (50ns)
Op Amp with programmable gain (PGA)
12-bit DACs; 12-bit ADCs with MSPS; 16-bit ADCs
Memory architecture for RAM: CCM (Core Coupled Memory)
Motor control timers (144 MHz)
Communication interface: USB FS and CAN 2.0B
Operation voltage 3.6 V
Memory 256 Kb



  • Core: Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max), single-cycle multiplication and HW division, DSP instruction and MPU (memory protection unit)
  • Operating conditions:
    • VDD, VDDA voltage range: 2.0 V to 3.6 V
  • Memories
    • 128 to 256 Kbytes of Flash memory
    • Up to 40 Kbytes of SRAM, with HW parity check implemented on the first 16 Kbytes.
  • CRC calculation unit
  • Reset and supply management
    • Power-on/power-down reset (POR/PDR)
    • Programmable voltage detector (PVD)
    • Low-power modes: Sleep, Stop and 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 x 16 PLL option
    • Internal 40 kHz oscillator
  • Up to 87 fast I/Os
    • All mappable on external interrupt vectors
    • Several 5 V-tolerant
  • Interconnect matrix
  • 12-channel DMA controller
  • Two ADCs 0.20 μS (up to 17 channels) with selectable resolution of 12/10/8/6 bits, 0 to 3.6 V conversion range, single ended/differential input, separate analog supply from 2 to 3.6 V
  • One 12-bit DAC channel with analog supply from 2.4 to 3.6 V
  • Four fast rail-to-rail analog comparators with analog supply from 2 to 3.6 V
  • Two operational amplifiers that can be used in PGA mode, all terminals accessible with analog supply from 2.4 to 3.6 V
  • Up to 24 capacitive sensing channels supporting touchkey, linear and rotary touch sensors
  • Up to 11 timers
    • One 32-bit timer and two 16-bit timers with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
    • One 16-bit 6-channel advanced-control timer, with up to 6 PWM channels, deadtime generation and emergency stop
    • One 16-bit timer with 2 IC/OCs, 1 OCN/PWM, deadt


Parameter Value Parameter Value
Manufacturer: STMicroelectronics Product Category: ARM Microcontrollers - MCU
RoHS: Details Series: STM32F3
Mounting Style: SMD/SMT Package / Case: LQFP-64
Core: ARM Cortex M4 Program Memory Size: 128 kB
Data Bus Width: 32 bit ADC Resolution: 2 x 6 bit/8 bit/10 bit/12 bit
Maximum Clock Frequency: 72 MHz Number of I/Os: 51 I/O
Data RAM Size: 32 kB Supply Voltage - Min: 2 V
Supply Voltage - Max: 3.6 V Minimum Operating Temperature: - 40 C
Maximum Operating Temperature: + 85 C Packaging: Tray
Brand: STMicroelectronics Data RAM Type: SRAM
Interface Type: CAN, I2C, I2S, SPI, UART, USART, USB Moisture Sensitive: Yes
Number of ADC Channels: 1 Channel Number of Timers/Counters: 8 Timer
Processor Series: ARM Cortex M Product Type: ARM Microcontrollers - MCU
Program Memory Type: Flash Factory Pack Quantity: 960
Subcategory: Microcontrollers - MCU Tradename: STM32
Unit Weight: 0.012088 oz


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Datasheet PDF

Preliminary Specification STM32F302RBT6 PDF Download

Key points

  • The STM32F302RBT6 chip is a microcontroller unit (MCU) produced by STMicroelectronics. It is based on the ARM Cortex-M4 core and features 32-bit processing, a range of communication interfaces (including USB, SPI, I2C), and various peripherals for different applications. The MCU offers advanced capabilities, a high level of integration, and low-power consumption, making it suitable for a wide range of embedded systems and IoT applications.
  • Equivalent

    Some equivalent products to the STM32F302RBT6 chip include NXP LPC1768, Renesas RX231, and Microchip SAM4E. These chips offer similar features and functionality as the STM32F302RBT6, making them suitable alternatives for certain applications.
  • Features

    The STM32F302RBT6 is a microcontroller that features a 32-bit ARM Cortex-M4 core, up to 128KB of flash memory, 16KB of RAM, and a wide range of peripherals including UART, SPI, I2C, USB, and ADC. It operates at a maximum frequency of 72MHz and is designed for applications requiring low power consumption and high performance.
  • Pinout

    The STM32F302RBT6 is a microcontroller with 64 pins. It is part of the STM32F3 series and features an ARM Cortex-M4 core running at a frequency of up to 72 MHz. The microcontroller provides a range of functions such as GPIO, ADC, SPI, I2C, UART, and USB interfaces for various applications.
  • Manufacturer

    STMicroelectronics is the manufacturer of the STM32F302RBT6. It is a multinational semiconductor company that designs, develops, and manufactures a wide range of semiconductor solutions, including microcontrollers like the STM32 series. STMicroelectronics focuses on providing innovative and energy-efficient products for various industries, including automotive, industrial, personal electronics, and communications.
  • Application Field

    Some application areas of the STM32F302RBT6 microcontroller are motor control, power management, industrial automation, home appliances, and consumer electronics.
  • Package

    The STM32F302RBT6 chip has a LQFP (Low-Profile Quad Flat Package) package type, with 64 pins. The form factor is a square with dimensions of approximately 10mm x 10mm.

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