Overview
The STM32F042K6U6 microcontroller, produced by STMicroelectronics, is part of the STM32F042x4/x6 series. It incorporates the high-performance ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz. This microcontroller features high-speed embedded memories, including up to 32 Kbytes of Flash memory and 6 Kbytes of SRAM. It also includes a comprehensive set of peripherals and I/Os, 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 |
| Supply Voltage | 2.0 to 3.6 V (VDD), 1.65 to 3.6 V (VDDIO2) |
| Temperature Range | -40 to +85 °C, -40 to +105 °C |
| ADC | One 12-bit, 1.0 μs ADC (up to 10 channels) |
| Timers | Nine timers: one 32-bit, four 16-bit, one 16-bit advanced-control timer for six channel PWM output |
| Communication Interfaces | One I2C, two SPIs (one with I2S), two USARTs, one CAN, one USB 2.0 full-speed interface |
| Package | UFQFPN 32 5x5x0.55 mm |
| Low Power Modes | Sleep, Stop, Standby |
| Other Features | CRC calculation unit, power-on/power down reset, programmable voltage detector, 5-channel DMA controller, calendar RTC, serial wire debug (SWD) |
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
- Extensive range of enhanced peripherals and I/Os, including up to 38 fast I/Os and up to 24 I/Os with 5 V tolerant capability
- Advanced clock management: 4 to 32 MHz crystal oscillator, internal 8 MHz RC with x6 PLL option, internal 40 kHz RC oscillator, and internal 48 MHz oscillator
- Low power modes: Sleep, Stop, Standby, and VBAT supply for RTC and backup registers
- Comprehensive communication interfaces: I2C, SPI, USART, CAN, and USB 2.0 full-speed interface
- 12-bit ADC with up to 10 channels and separate analog supply
- Up to 14 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
Applications
The STM32F042K6U6 microcontroller is suitable for a wide range of applications, including:
- Application control and user interfaces
- Hand-held equipment
- A/V receivers and digital TV
- PC peripherals
- Gaming and GPS platforms
- Industrial applications, such as PLCs, inverters, and printers
- Alarm systems, video intercoms, and HVACs
Q & A
- What is the core of the STM32F042K6U6 microcontroller?
The core is an ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz. - How much Flash and SRAM memory does the STM32F042K6U6 have?
It has up to 32 Kbytes of Flash memory and 6 Kbytes of SRAM with HW parity. - What is the operating temperature range of the STM32F042K6U6?
The operating temperature range is -40 to +85 °C and -40 to +105 °C. - What communication interfaces does the STM32F042K6U6 support?
It supports one I2C, two SPIs (one with I2S), two USARTs, one CAN, and one USB 2.0 full-speed interface. - Does the STM32F042K6U6 have low power modes?
Yes, it has Sleep, Stop, and Standby low power modes. - What is the package type of the STM32F042K6U6?
The package type is UFQFPN 32 5x5x0.55 mm. - Does the STM32F042K6U6 support capacitive sensing?
Yes, it supports up to 14 capacitive sensing channels for touchkey, linear, and rotary touch sensors. - Is the STM32F042K6U6 RoHS compliant?
Yes, it is RoHS compliant with an ECOPACK®2 rating. - What is the purpose of the CRC calculation unit in the STM32F042K6U6?
The CRC calculation unit is used for cyclic redundancy check calculations, which help in data integrity verification. - Does the STM32F042K6U6 have a calendar RTC?
Yes, it includes a calendar RTC with alarm and periodic wakeup from Stop/Standby.
