STMicroelectronics STM32F334C8T7

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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 64KB (64K 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

The STM32F334C8T7 is a 32-bit microcontroller from STMicroelectronics, based on the ARM Cortex-M4 core with FPU, running at 72MHz. It provides 64KB flash and 12KB RAM, making it suitable for cost-sensitive applications requiring moderate performance. The device operates from 2V to 3.6V and includes advanced timers, DMA, and PWM, ideal for digital power and motor control. Housed in a 48-LQFP package, it operates from -40°C to 105°C, ensuring reliability in industrial environments.

  • Advanced Timer Features: High-resolution timers enable precise PWM generation for power control.
  • FPU for Math: The Cortex-M4 FPU accelerates complex control algorithms like FOC.
  • Wide Temperature Range: -40°C to 105°C suits demanding industrial applications.
  • Compact LQFP Package: 48-LQFP is easy to solder and widely available.
  • Cost-Effective: Balanced memory and peripherals offer good value for mid-range applications.

Digital Power Conversion

The high-resolution timer and fast ADC enable precise control of switch-mode power supplies, achieving high efficiency and low ripple.

Motor Control

With multiple PWM timers and 12-bit ADC, it can drive BLDC and PMSM motors using sensorless FOC algorithms.

LED Lighting

The PWM channels allow smooth dimming and color mixing for smart LED drivers, with DMA for flicker-free operation.

Battery Management

Its low voltage operation and accurate ADC make it suitable for monitoring cell voltages and balancing in battery packs.

Industrial Sensors

The 105°C rating and robust peripherals enable reliable operation in proximity sensors and flow meters.

Consumer Electronics

With 64KB flash, it can handle user interfaces and communication protocols for smart appliances.

Q: What is the core of the STM32F334C8T7?
A: It uses an ARM Cortex-M4 core running at up to 72MHz.
Q: What is the supply voltage range?
A: It operates from 2V to 3.6V, typical for 3.3V systems.
Q: How much flash and RAM does it have?
A: It has 64KB flash and 12KB RAM.
Q: What package is this device in?
A: It comes in a 48-LQFP package.
Q: What is the temperature range?
A: It is rated for -40°C to 105°C, suitable for industrial use.
Base Product Number : STM32F334C8
12KB RAM 32-bit MCU 48-LQFP 64KB Flash 72MHz ARM Cortex-M4 DMA FPU motor control power control PWM STMicroelectronics
Q: What is the core of the STM32F334C8T7?
A: It uses an ARM Cortex-M4 core running at up to 72MHz.
Q: What is the supply voltage range?
A: It operates from 2V to 3.6V, typical for 3.3V systems.
Q: How much flash and RAM does it have?
A: It has 64KB flash and 12KB RAM.
Q: What package is this device in?
A: It comes in a 48-LQFP package.
Q: What is the temperature range?
A: It is rated for -40°C to 105°C, suitable for industrial use.