Overview
The STM32F334K8U6 is a microcontroller from the STM32F334x4/6/8 family, produced by STMicroelectronics. It features the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at up to 72 MHz with a floating point unit (FPU). This microcontroller is designed for a wide range of applications, particularly those requiring advanced analog and digital peripherals.
The device includes up to 64 Kbytes of Flash memory and up to 12 Kbytes of SRAM, along with a routine booster (4 Kbytes of SRAM on instruction and data bus with HW parity check). It also incorporates a CRC calculation unit, low-power modes (Sleep, Stop, Standby), and a comprehensive set of power-saving features.
The STM32F334K8U6 operates within a temperature range of –40 to +85 °C (or –40 to +105 °C for some packages) and supports a voltage range of 2.0 to 3.6 V. It is available in a UFQFPN 32 package (5x5x0.55 mm) and is ECOPACK®2 compliant.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max) |
| Flash Memory | Up to 64 Kbytes |
| SRAM | Up to 12 Kbytes with HW parity check |
| ADCs | Two 12-bit ADCs (5 Msps), up to 21 channels |
| DACs | Up to three 12-bit DAC channels |
| Comparators | Three ultra-fast rail-to-rail analog comparators |
| Operational Amplifier | One operational amplifier that can be used in PGA mode |
| Timers | Up to 12 timers, including HRTIM, 32-bit timer, and 16-bit timers |
| Communication Interfaces | CAN interface (2.0 B Active), one SPI, one I2C, up to three USARTs |
| Power Supply | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85 °C (or –40 to +105 °C for some packages) |
| Package | UFQFPN 32 (5x5x0.55 mm) |
Key Features
- High-performance Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max), single-cycle multiplication and HW division DSP instruction
- Up to 64 Kbytes of Flash memory and up to 12 Kbytes of SRAM with HW parity check
- Routine booster: 4 Kbytes of SRAM on instruction and data bus with HW parity check (CCM)
- CRC calculation unit and low-power modes: Sleep, Stop, Standby
- Two fast 12-bit ADCs (5 Msps), up to three ultra-fast comparators, and three 12-bit DAC channels
- One operational amplifier that can be used in PGA mode
- Up to 18 capacitive sensing channels supporting touchkeys, linear and rotary touch sensors
- Comprehensive set of timers, including HRTIM, 32-bit timer, and multiple 16-bit timers
- CAN interface (2.0 B Active), one SPI, one I2C, and up to three USARTs
- Debug mode: serial wire debug (SWD), JTAG
- 96-bit unique ID and all packages ECOPACK®2 compliant
Applications
The STM32F334K8U6 is suitable for a variety of applications that require advanced analog and digital capabilities. These include:
- Industrial control systems
- Motor control and automation
- Medical devices requiring precise analog measurements
- Aerospace and defense applications
- Automotive systems, especially those needing robust communication interfaces like CAN
- Consumer electronics with touch sensing capabilities
Q & A
- What is the core architecture of the STM32F334K8U6?
The core is based on the Arm® Cortex®-M4 32-bit CPU with a floating point unit (FPU), operating at up to 72 MHz.
- How much Flash and SRAM memory does the STM32F334K8U6 have?
It has up to 64 Kbytes of Flash memory and up to 12 Kbytes of SRAM.
- What are the key analog peripherals of the STM32F334K8U6?
The device features two fast 12-bit ADCs, three ultra-fast comparators, three 12-bit DAC channels, and one operational amplifier.
- What communication interfaces are available on the STM32F334K8U6?
The device includes a CAN interface (2.0 B Active), one SPI, one I2C, and up to three USARTs.
- What are the power supply and operating temperature ranges of the STM32F334K8U6?
The power supply range is 2.0 to 3.6 V, and the operating temperature range is –40 to +85 °C (or –40 to +105 °C for some packages).
- What package options are available for the STM32F334K8U6?
The device is available in a UFQFPN 32 package (5x5x0.55 mm).
- Does the STM32F334K8U6 support low-power modes?
Yes, it supports low-power modes such as Sleep, Stop, and Standby.
- What is the purpose of the routine booster in the STM32F334K8U6?
The routine booster provides 4 Kbytes of SRAM on the instruction and data bus with HW parity check (CCM), enhancing performance.
- Does the STM32F334K8U6 have any specific timers for motor control?
Yes, it includes timers dedicated to motor control, such as the HRTIM and advanced-control timers.
- Is the STM32F334K8U6 compliant with any environmental standards?
Yes, all packages are ECOPACK®2 compliant.
- What debug modes are supported by the STM32F334K8U6?
The device supports serial wire debug (SWD) and JTAG debug modes.
