Overview
The STM32F334R8T7 is a microcontroller from the STM32F334x4/6/8 family, produced by STMicroelectronics. This device is built around the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at up to 72 MHz and featuring a floating-point unit (FPU). It is designed for a wide range of applications requiring advanced processing capabilities, low power consumption, and a rich set of peripherals.
The microcontroller includes up to 64 Kbytes of Flash memory and up to 12 Kbytes of SRAM, along with a routine booster that provides an additional 4 Kbytes of SRAM on the instruction and data bus. It also features a CRC calculation unit, low-power modes, and comprehensive power management options.
The STM32F334R8T7 is available in a 64-pin LQFP package and operates within a temperature range of –40 to +105 °C, making it suitable for various industrial and consumer applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max) |
| Memories | Up to 64 Kbytes of Flash memory, 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) |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | –40 to +105 °C |
| Package | LQFP 64 10x10x1.4 mm |
| ADCs | Up to 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 multiple 16-bit timers |
| Communication Interfaces | CAN interface (2.0 B Active), one SPI, one I2C, up to three USARTs |
| Debug Mode | Serial wire debug (SWD), JTAG |
| Unique ID | 96-bit unique ID |
Key Features
- High-Performance Core: Arm® Cortex®-M4 32-bit CPU with FPU, operating at up to 72 MHz.
- Advanced Peripherals: Includes two fast 12-bit ADCs, three 12-bit DAC channels, three ultra-fast analog comparators, and one operational amplifier.
- Low-Power Modes: Sleep, Stop, and Standby modes for low-power applications.
- Comprehensive Timers: Up to 12 timers, including a high-resolution timer (HRTIM) and multiple 16-bit and 32-bit timers.
- Communication Interfaces: CAN interface (2.0 B Active), one SPI, one I2C, and up to three USARTs.
- Capacitive Sensing: Up to 18 capacitive sensing channels supporting touchkeys, linear and rotary touch sensors.
- Debugging: Serial wire debug (SWD) and JTAG for debugging purposes.
- Unique ID: 96-bit unique ID for device identification.
Applications
- Industrial Automation: Suitable for motor control, industrial control systems, and automation applications.
- Consumer Electronics: Used in various consumer electronics such as home appliances and personal care devices.
- Medical Devices: Can be used in medical devices requiring precise analog and digital processing.
- Automotive Systems: Applicable in automotive systems for control and monitoring functions.
- Communication Equipment: Used in communication equipment and networking devices.
Q & A
- What is the core architecture of the STM32F334R8T7?
The STM32F334R8T7 is based on the Arm® Cortex®-M4 32-bit RISC core with a floating-point unit (FPU), operating at up to 72 MHz.
- How much Flash and SRAM memory does the STM32F334R8T7 have?
The device has up to 64 Kbytes of Flash memory and up to 12 Kbytes of SRAM.
- What are the power supply and temperature ranges for the STM32F334R8T7?
The device operates with a power supply range of 2.0 to 3.6 V and a temperature range of –40 to +105 °C.
- What types of communication interfaces are available on the STM32F334R8T7?
The device features a CAN interface (2.0 B Active), one SPI, one I2C, and up to three USARTs.
- Does the STM32F334R8T7 support low-power modes?
Yes, it supports Sleep, Stop, and Standby low-power modes.
- What is the package type and pin count of the STM32F334R8T7?
The device is available in a 64-pin LQFP package.
- How many ADC and DAC channels does the STM32F334R8T7 have?
The device has up to two 12-bit ADCs and up to three 12-bit DAC channels.
- What debugging options are available for the STM32F334R8T7?
The device supports serial wire debug (SWD) and JTAG for debugging.
- Does the STM32F334R8T7 have a unique identifier?
Yes, it has a 96-bit unique ID.
- What types of timers are available on the STM32F334R8T7?
The device includes a high-resolution timer (HRTIM), one 32-bit timer, and multiple 16-bit timers.
