Overview
The STM32F334C8T7 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 extensive peripheral support.
The microcontroller offers up to 64 Kbytes of Flash memory and up to 12 Kbytes of SRAM, along with a routine booster that includes 4 Kbytes of SRAM on the instruction and data bus. It also features a CRC calculation unit, low-power modes, and a comprehensive set of power-saving features.
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 |
| Routine Booster | 4 Kbytes of SRAM on instruction and data bus with HW parity check (CCM) |
| Voltage Range | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85 °C and –40 to +105 °C |
| Package | LQFP 48 7x7x1.4 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 16-bit timers |
| Communication Interfaces | CAN interface (2.0 B Active), one SPI, up to three USARTs, one I²C |
| Low-Power Modes | Sleep, Stop, Standby |
Key Features
- High-performance Arm® Cortex®-M4 32-bit CPU with FPU, operating at up to 72 MHz.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses.
- Up to two fast 12-bit ADCs (5 Msps) and up to three ultra-fast comparators.
- One operational amplifier and three 12-bit DAC channels.
- Low-power RTC, multiple timers including HRTIM, and advanced motor control timers.
- Standard and advanced communication interfaces: CAN, SPI, USARTs, and I²C.
- Low-power modes: Sleep, Stop, Standby, and comprehensive power-saving features.
- Up to 51 fast I/O ports, all mappable on external interrupt vectors, several 5 V-tolerant.
- 7-channel DMA controller and interconnect matrix.
- Up to 18 capacitive sensing channels supporting touchkeys, linear and rotary touch sensors.
Applications
- Industrial automation and control systems.
- Medical devices requiring precise analog and digital processing.
- Automotive systems, including motor control and sensor interfaces.
- Consumer electronics needing advanced processing and low power consumption.
- IoT devices requiring efficient processing and communication capabilities.
- Smart home and building automation systems.
Q & A
- What is the core architecture of the STM32F334C8T7?
The STM32F334C8T7 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 STM32F334C8T7 have?
The device has up to 64 Kbytes of Flash memory and up to 12 Kbytes of SRAM.
- What are the key analog peripherals of the STM32F334C8T7?
The device features up to two 12-bit ADCs, three 12-bit DAC channels, three ultra-fast comparators, and one operational amplifier.
- What communication interfaces are available on the STM32F334C8T7?
The device includes a CAN interface (2.0 B Active), one SPI, up to three USARTs, and one I²C interface.
- What are the low-power modes supported by the STM32F334C8T7?
The device supports Sleep, Stop, and Standby low-power modes.
- What is the operating temperature range of the STM32F334C8T7?
The operating temperature range is –40 to +85 °C and –40 to +105 °C.
- What types of timers are available on the STM32F334C8T7?
The device includes multiple timers such as HRTIM, 32-bit timer, and several 16-bit timers.
- Does the STM32F334C8T7 support capacitive sensing?
Yes, it supports up to 18 capacitive sensing channels for touchkeys, linear, and rotary touch sensors.
- What is the package type of the STM32F334C8T7?
The device is available in LQFP 48 7x7x1.4 mm and WLCSP 49 3.9x3.8x0.6 P 0.5 mm packages.
- Is the STM32F334C8T7 RoHS compliant?
Yes, the device is RoHS compliant with an Ecopack2 grade.
