Overview
The STM32F042K4T6TR is a member of the STM32F042x4/x6 family of microcontrollers produced by STMicroelectronics. This device is based on the high-performance ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz. It is designed to offer a balance of performance, power efficiency, and peripheral functionality, making it suitable for a wide range of applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M0 CPU, up to 48 MHz |
| Memories | 16 to 32 Kbytes of Flash memory, 6 Kbytes of SRAM with HW parity |
| Power Supply | Digital and I/Os supply: VDD = 2 V to 3.6 V, Analog supply: VDDA = from VDD to 3.6 V |
| Operating Temperature | -40 to +85 °C, -40 to +105 °C |
| Clock Management | 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC, Internal 8 MHz RC with x6 PLL option, Internal 40 kHz RC oscillator, Internal 48 MHz oscillator |
| I/Os | Up to 38 fast I/Os, all mappable on external interrupt vectors, up to 24 I/Os with 5 V tolerant capability |
| Communication Interfaces | One I2C, two SPIs/one I2S, two USARTs, one USB Full-speed device, one CAN |
| ADC | One 12-bit ADC (up to 10 channels) |
| Timers | One 16-bit advanced-control timer, four 16-bit timers, one 32-bit timer |
| Capacitive Sensing | Up to 14 capacitive sensing channels |
| RTC | Calendar RTC with alarm and periodic wakeup from Stop/Standby |
Key Features
- High-performance ARM® 32-bit Cortex®-M0 CPU with up to 48 MHz frequency
- High-speed embedded memories: up to 32 Kbytes of Flash memory and 6 Kbytes of SRAM with HW parity
- Extensive range of enhanced peripherals and I/Os
- Standard communication interfaces: I2C, SPI, USART, USB Full-speed device, CAN
- 12-bit ADC with up to 10 channels
- Multiple timers: one 16-bit advanced-control timer, four 16-bit timers, one 32-bit timer
- Capacitive sensing channels for touchkey, linear, and rotary touch sensors
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
- Low power modes: Sleep, Stop, Standby
- VBAT supply for RTC and backup registers
Applications
- Application control and user interfaces
- Hand-held equipment
- A/V receivers and digital TV
- PC peripherals
- Gaming and GPS platforms
- Industrial applications, PLCs, inverters, printers, scanners
- Alarm systems, video intercoms, HVACs
Q & A
- What is the core of the STM32F042K4T6TR microcontroller?
The core is the ARM® 32-bit Cortex®-M0 CPU.
- What is the maximum frequency of the CPU?
The maximum frequency is up to 48 MHz.
- How much Flash and SRAM memory does the device have?
The device has up to 32 Kbytes of Flash memory and 6 Kbytes of SRAM with HW parity.
- What are the operating temperature ranges for the STM32F042K4T6TR?
The operating temperature ranges are -40 to +85 °C and -40 to +105 °C.
- What communication interfaces are available on the device?
The device includes one I2C, two SPIs/one I2S, two USARTs, one USB Full-speed device, and one CAN interface.
- Does the device support capacitive sensing?
- What types of timers are available on the device?
The device includes one 16-bit advanced-control timer, four 16-bit timers, and one 32-bit timer.
- Does the device have a real-time clock (RTC)?
- What are the low power modes available on the device?
The device supports Sleep, Stop, and Standby low power modes.
- Is the device suitable for industrial applications?
