Overview
The STM32F042F4P6 is a microcontroller from STMicroelectronics, part of the STM32F042x4/x6 series. It features the high-performance ARM® Cortex®-M0 32-bit RISC core, operating at a frequency of up to 48 MHz. This microcontroller is designed for a wide range of applications due to its extensive set of enhanced peripherals and I/Os, making it suitable for various industrial, consumer, and automotive uses.
Key Specifications
| Parameter | Specification |
|---|---|
| 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, up to 24 I/Os with 5 V tolerant capability and 8 with independent supply VDDIO2 |
| Communication Interfaces | One I2C, two SPIs/one I2S, two USARTs, one CAN, one USB Full-speed device (crystal-less), HDMI CEC |
| Timers | One 16-bit advanced-control timer, one 32-bit and four 16-bit timers |
| ADC | One 12-bit ADC (up to 10 channels) |
| Package | TSSOP20, among other packages |
Key Features
- CRC calculation unit
- Reset and power management: Power-on/Power down reset (POR/PDR), Programmable voltage detector (PVD), Low power modes: Sleep, Stop, Standby
- VBAT supply for RTC and backup registers
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
- Up to 14 capacitive sensing channels for touchkey, linear and rotary touch sensors
- Serial wire debug (SWD) and 96-bit unique ID
- All packages ECOPACK®2 compliant
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, and HVACs
Q & A
- What is the core of the STM32F042F4P6 microcontroller?
The core is the ARM® 32-bit Cortex®-M0 CPU, operating at up to 48 MHz.
- How much Flash and SRAM memory does the STM32F042F4P6 have?
It has 16 to 32 Kbytes of Flash memory and 6 Kbytes of SRAM with HW parity.
- What are the operating temperature ranges for the STM32F042F4P6?
The operating temperature ranges are -40 to +85 °C and -40 to +105 °C.
- What communication interfaces are available on the STM32F042F4P6?
The microcontroller features one I2C, two SPIs/one I2S, two USARTs, one CAN, one USB Full-speed device (crystal-less), and HDMI CEC.
- Does the STM32F042F4P6 support low power modes?
Yes, it supports low power modes including Sleep, Stop, and Standby.
- What is the purpose of the VBAT supply in the STM32F042F4P6?
The VBAT supply is for the RTC and backup registers.
- How many I/Os does the STM32F042F4P6 have?
It has up to 38 fast I/Os, with up to 24 I/Os having 5 V tolerant capability and 8 with independent supply VDDIO2.
- What types of timers are available on the STM32F042F4P6?
It includes one 16-bit advanced-control timer, one 32-bit timer, and four 16-bit timers.
- Does the STM32F042F4P6 support capacitive sensing?
Yes, it supports up to 14 capacitive sensing channels for touchkey, linear and rotary touch sensors.
- Is the STM32F042F4P6 environmentally friendly?
Yes, all packages are ECOPACK®2 compliant.
