STMicroelectronics STM32F334C6T7

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F3
Packaging Tray |
Core Processor ARM® Cortex®-M4
Core Size 32-Bit Single-Core
Speed 72MHz
Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART
Peripherals DMA, POR, PWM, WDT
Number of I/O 37
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 12K x 8
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Data Converters A/D 15x12b; D/A 3x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F334C6T7 from STMicroelectronics is a high-performance ARM Cortex-M4 microcontroller designed for advanced digital power and motor control applications. Operating at 72MHz, it delivers real-time responsiveness with a rich set of peripherals including DMA, PWM timers, and a watchdog. Housed in a compact 48-LQFP package, it supports a wide voltage range of 2V to 3.6V, making it ideal for battery-powered and industrial systems. With 32KB of flash and 12KB of SRAM, it balances code space and data handling for complex control algorithms.

  • High-Resolution PWM: The HRTIM provides sub-nanosecond timing, enabling precise control in power conversion, reducing ripple and improving efficiency.
  • Efficient Core: The Cortex-M4 with FPU accelerates mathematical computations, speeding up control loops and signal processing.
  • Wide Voltage Range: Supports 2V to 3.6V, allowing direct battery operation and simplifying power supply design.
  • Robust Temperature Range: Operates from -40°C to 105°C, ensuring reliability in demanding industrial environments.
  • Compact Package: The 48-LQFP saves PCB space while offering sufficient I/O for peripheral integration.

Digital Power Conversion

With its high-resolution timer (HRTIM) and 72MHz Cortex-M4 core, the STM32F334C6T7 excels in digital power supplies, enabling precise PWM generation for LLC resonant converters and PFC stages.

Motor Control

The device supports field-oriented control (FOC) for brushless DC motors. Its fast ADC and PWM synchronization ensure smooth torque and speed regulation in industrial drives.

Battery Management Systems

Operating from 2V to 3.6V, it can be powered directly from Li-ion cells. The DMA and low-power modes help monitor cell voltages and balance currents efficiently.

LED Lighting Control

Multiple PWM channels allow independent dimming and color mixing for RGB LED drivers. The 12KB SRAM supports complex lighting algorithms without external memory.

Industrial Sensors

The -40°C to 105°C temperature range and WDT make it reliable for harsh environments. It can interface with various analog sensors via its 12-bit ADC.

Smart Grid and Metering

Its deterministic timing and low power consumption suit smart meter applications, handling metrology calculations and communication protocols concurrently.

Q: What is the maximum operating frequency of the STM32F334C6T7?
A: The STM32F334C6T7 operates at up to 72 MHz.
Q: What is the supply voltage range?
A: It supports a supply voltage from 2V to 3.6V.
Q: How much flash memory does it have?
A: It includes 32KB of flash memory and 12KB of SRAM.
Q: What package is available?
A: It comes in a 48-pin LQFP package.
Q: Does it include a PWM controller?
A: Yes, it features advanced PWM timers suitable for digital power control.
Base Product Number : STM32F334C6
32-bit MCU 48-LQFP 72MHz ARM Cortex-M4 battery-powered digital power industrial motor control PWM STM32
Q: What is the maximum operating frequency of the STM32F334C6T7?
A: The STM32F334C6T7 operates at up to 72 MHz.
Q: What is the supply voltage range?
A: It supports a supply voltage from 2V to 3.6V.
Q: How much flash memory does it have?
A: It includes 32KB of flash memory and 12KB of SRAM.
Q: What package is available?
A: It comes in a 48-pin LQFP package.
Q: Does it include a PWM controller?
A: Yes, it features advanced PWM timers suitable for digital power control.