Overview
The STM32F301K8U7 is a mixed-signal microcontroller from STMicroelectronics, part of the STM32F301x series. It is based on the high-performance Arm Cortex-M4 32-bit RISC core, operating at a frequency of up to 72 MHz and featuring a floating-point unit (FPU) and DSP instructions. This microcontroller is designed for a wide range of applications, particularly those requiring advanced motor control, analog signal processing, and low-power operation.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm 32-bit Cortex-M4 CPU with FPU (72 MHz max.) |
| Memory | 64 Kbytes of Flash memory, 16 Kbytes of SRAM |
| Voltage Range | 2.0 to 3.6 V |
| Temperature Range | -40 to 85°C or -40 to 105°C |
| Package | UFQFPN 32 5x5x0.55 mm |
| ADC | 12-bit, 5 MSPS, up to 15 channels |
| DAC | 1 x 12-bit DAC channel |
| Comparators | Three fast rail-to-rail analog comparators |
| Operational Amplifier | 1 x operational amplifier with programmable gain |
| Capacitive Sensing Channels | Up to 18 channels |
| Timers | One 32-bit timer, three 16-bit timers, and one timer for DAC |
| Communication Interfaces | Three I2Cs, up to three USARTs, up to two SPIs with I2S |
| Power Modes | Sleep, Stop, and Standby modes |
Key Features
- High-Performance Core: Arm Cortex-M4 CPU with FPU and DSP instructions, operating at up to 72 MHz.
- Analog Peripherals: Fast 12-bit ADC (5 MSPS), 12-bit DAC, three fast rail-to-rail analog comparators, and an operational amplifier.
- Motor Control: Fast 144 MHz motor control timers with 7 nanoseconds resolution.
- Capacitive Sensing: Up to 18 capacitive sensing channels supporting touchkey, linear, and rotary sensors.
- Communication Interfaces: Three I2Cs, up to three USARTs, up to two SPIs with multiplexed full-duplex I2S.
- Low-Power Modes: Sleep, Stop, and Standby modes for low-power applications.
- Power Management: Power-on/Power down reset (POR/PDR), programmable voltage detector (PVD), and VBAT supply for RTC and backup registers.
Applications
- Motor Control: Suitable for applications requiring advanced motor control, such as industrial automation, robotics, and automotive systems.
- Analog Signal Processing: Ideal for applications involving analog signal processing, including medical devices, industrial control systems, and consumer electronics.
- Low-Power Systems: Appropriate for battery-powered devices and other low-power applications due to its sleep, stop, and standby modes.
- Capacitive Sensing: Used in applications requiring touch sensing, such as user interfaces, gaming controllers, and other interactive devices.
Q & A
- What is the core of the STM32F301K8U7 microcontroller?
The core is an Arm 32-bit Cortex-M4 CPU with FPU and DSP instructions, operating at up to 72 MHz.
- How much memory does the STM32F301K8U7 have?
It has 64 Kbytes of Flash memory and 16 Kbytes of SRAM.
- What is the voltage range of the STM32F301K8U7?
The voltage range is from 2.0 to 3.6 V.
- What are the temperature ranges for the STM32F301K8U7?
The temperature ranges are -40 to 85°C or -40 to 105°C.
- What types of timers are available on the STM32F301K8U7?
It includes one 32-bit timer, three 16-bit timers, and one timer dedicated to the DAC.
- Does the STM32F301K8U7 support capacitive sensing?
Yes, it supports up to 18 capacitive sensing channels.
- What communication interfaces are available on the STM32F301K8U7?
It features three I2Cs, up to three USARTs, and up to two SPIs with multiplexed full-duplex I2S.
- Does the STM32F301K8U7 have low-power modes?
Yes, it has sleep, stop, and standby modes for low-power applications.
- What is the package type of the STM32F301K8U7?
The package type is UFQFPN 32 5x5x0.55 mm.
- Is the STM32F301K8U7 suitable for motor control applications?
Yes, it is suitable due to its fast 144 MHz motor control timers with 7 nanoseconds resolution.
