STM32F334R8T6 STM32F3 Microcontroller IC 32-Bit Single-Core 72MHz 64KB 64-LQFP
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STM32F334R8T6 STM32F3 Microcontroller IC | 32-Bit Arm Cortex-M4 72 MHz Single-Core MCU with FPU, 64KB Flash, Fast ADCs and Analog Peripherals in 64-LQFP for Embedded Industrial Applications
The STM32F334R8T6 is a high-performance 32-bit microcontroller from the STMicroelectronics STM32F3 series. Built around an Arm Cortex-M4 RISC core operating at up to 72 MHz with an embedded floating-point unit (FPU) — ready for digital signal processing, motor control, power conversion, and advanced industrial automation applications that benefit from real-time mathematical computation.
Equipped with enhanced analog peripherals for mixed-signal applications: two fast 12-bit ADCs at 5 Msps, up to three ultra-fast comparators, one operational amplifier, and three DAC channels. Low-power Real-Time Clock (RTC) and multiple timers handle timing-critical tasks. Operating temperature range of -40°C to 85°C (or -40°C to 105°C depending on variant) handles harsh industrial environments. Wide 2.0V to 3.6V supply voltage range provides flexibility for both battery-powered and line-powered designs.
Typical Applications
- Digital power conversion — high-frequency PWM control for SMPS, LLC resonant converters, motor drives.
- Motor control — BLDC / PMSM control loops benefiting from fast ADC + comparators + FPU math.
- Industrial automation — sensor data acquisition + closed-loop control on production line equipment.
- Lighting control — LED driver firmware, dimming algorithms, multi-channel orchestration.
- Test and measurement instruments — entry-tier instruments needing accurate ADC + DSP capability.
STM32F334R8T6 Specifications
| Parameter | Specification |
|---|---|
| Part Number | STM32F334R8T6 |
| Manufacturer | STMicroelectronics |
| Series | STM32F3 |
| Core | Arm Cortex-M4 (32-bit RISC) |
| Max Frequency | 72 MHz |
| Floating-Point Unit | Embedded FPU |
| Flash Memory | 64 KB |
| ADC | 2× 12-bit at 5 Msps |
| Comparators | Up to 3 ultra-fast |
| Op-Amp | 1 embedded |
| DAC Channels | 3 |
| Real-Time Clock | Low-power RTC |
| Supply Voltage | 2.0V to 3.6V |
| Operating Temperature | -40°C to +85°C (or -40°C to +105°C variant) |
| Package | 64-LQFP |
| Product Status | Active |
| Condition | Brand New |
FAQ — STM32F334R8T6 MCU
Q: Why the F3 series vs F4 or F0 / F1?
A: The STM32F3 series is positioned for analog-heavy applications — the fast 12-bit ADCs at 5 Msps + integrated comparators + op-amp + DAC give a "mixed-signal" MCU that's hard to match in the F4 or simpler F0/F1 series. For digital power conversion or precision sensor acquisition, F3 is the right choice.
Q: Is this the standard or extended temperature variant?
A: The R8T6 part number indicates the base variant (-40°C to +85°C). For -40°C to +105°C extended temperature, look for the R8T7 part suffix.
Q: What development tooling do I need?
A: STM32CubeIDE (free) is the standard ST development environment. STM32CubeMX configures peripherals graphically. STLink debugger probe (separate purchase, often integrated on Nucleo dev boards) handles flash and debug. Arduino-style IDE support also available via STM32duino.
Q: Bulk pricing for production runs?
A: Yes — email contact@lys-sz.com with your quantity. Tape and reel pricing available for SMT line production.
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