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STMicroelectronics STM32F302RET6 — Microcontrollers & Processors (MCU / MPU / DSP)

STM32F302RET6 STM32F3 ARM Cortex-M4 MCU, 72MHz, 512KB Flash

MPNSTM32F302RET6
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STMicroelectronics STM32F3 series STM32F302RET6, ARM Cortex-M4, 32-bit single-core MCU, 72MHz, 512KB Flash, 64KB SRAM, 64-LQFP (10x10) package, -40°C to 85°C.

$9.6800Ref. price · indicative, final on quote
STMicroelectronics STM32F302RET6 datasheet (PDF)
Packaging64-LQFP
RoHSROHS3 Compliant
SeriesSTM32F3
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

STM32F302RET6 specifications
ParameterValue
SeriesSTM32F3
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))2V ~ 3.6V
Operating temperature-40°C ~ 85°C (TA)
Speed72MHz
PackageTray
RAM size64K x 8
Core size32-Bit Single-Core
PeripheralsDMA, I²S, POR, PWM, WDT
ConnectivityCANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB
Number of i (O)51
Core processorARM® Cortex®-M4
Case64-LQFP
Data convertersA/D 16x12b; D/A 1x12b
Program memory size512KB (512K x 8)

Product details

72 MHz ARM Cortex-M4 with FPU — the DSP-ready MCU for motor control and industrial sensing

The core runs at 72 MHz with a single-precision floating-point unit (FPU), which offloads vector math and filter routines that an M3 core would handle in software. Program memory is 512 KB of Flash, backed by 64 KB of SRAM — enough for a field-oriented motor control stack plus a communication protocol layer.

Analog front-end and connectivity — 16-channel ADC, DAC, CANbus, USB

For system communication it carries CANbus, I²C, SPI, UART/USART, USB, and IrDA interfaces, plus an I²S audio bus. The 51 general-purpose I/O pins give enough headroom for a sensor array with a parallel LCD or keypad matrix.

For dual-sourcing or a pin-compatible drop-in with less Flash, the STM32F302R8 (64 KB Flash variant) shares the same footprint and peripheral set.

Frequently asked questions

What is the clock speed of STM32F302RET6?

The core runs at 72 MHz, which is the maximum clock speed for this device. The PLL can be configured from the internal oscillator or an external crystal, but the flash wait state must be set to 1 before raising the core clock above 48 MHz to avoid a hard fault on the first instruction fetch.

What is the equivalent of STM32F302RET6?

However, the STM32L151 runs at 32 MHz instead of 72 MHz and lacks the Cortex-M4 FPU, so it is not a pin-compatible drop-in for DSP-heavy applications — the STM32F302R8 (64 KB Flash variant) is the pin-compatible alternative within the STM32F3 family.