Overview
The STM32F042K4T6 microcontroller, produced by STMicroelectronics, is part of the STM32F042x4/x6 series. It features the high-performance ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz. This microcontroller is equipped with high-speed embedded memories, including up to 32 Kbytes of Flash memory and 6 Kbytes of SRAM with hardware parity. It also includes a CRC calculation unit, reset and power management capabilities, and a range of enhanced peripherals and I/Os.
The device operates within a temperature range of -40 to +85 °C (or up to +105 °C for some packages) and supports a power supply range of 2.0 to 3.6 V. It offers various power-saving modes, making it suitable for low-power 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 |
| CRC Calculation Unit | Yes |
| Reset and Power Management | Digital and I/Os supply: VDD = 2 V to 3.6 V, Analog supply: VDDA = from VDD to 3.6 V |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | -40 to +85 °C (or up to +105 °C for some packages) |
| Timers | One 32-bit timer, four 16-bit timers, one 16-bit advanced-control timer |
| ADC | One 12-bit ADC (up to 10 channels) |
| Communication Interfaces | One I2C, two SPIs/one I2S, two USARTs, one USB Full-speed device, one CAN, one HDMI CEC |
| I/Os | Up to 38 fast I/Os, up to 24 I/Os with 5 V tolerant capability |
| Package | LQFP 32 7x7x1.4 mm, UFQFPN 32 5x5x0.55 mm |
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 hardware parity
- CRC calculation unit and reset and power management capabilities
- Extensive range of enhanced peripherals and I/Os, including up to 38 fast I/Os
- Multiple communication interfaces: I2C, SPI, USART, USB Full-speed device, CAN, and HDMI CEC
- 12-bit ADC with up to 10 channels and separate analog supply
- Nine timers, including one 32-bit timer and four 16-bit timers, with advanced-control PWM timer
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
- Low power modes: Sleep, Stop, Standby, and VBAT supply for RTC and backup registers
Applications
The STM32F042K4T6 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, PLCs, inverters, printers, scanners
- Alarm systems, video intercoms, and HVACs
Q & A
- What is the core of the STM32F042K4T6 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 STM32F042K4T6 have?
It has 16 to 32 Kbytes of Flash memory and 6 Kbytes of SRAM with hardware parity.
- What are the power supply and temperature ranges for the STM32F042K4T6?
The power supply range is 2.0 to 3.6 V, and the temperature range is -40 to +85 °C (or up to +105 °C for some packages).
- What communication interfaces are available on the STM32F042K4T6?
The device includes one I2C, two SPIs/one I2S, two USARTs, one USB Full-speed device, one CAN, and one HDMI CEC.
- Does the STM32F042K4T6 support low power modes?
Yes, it supports low power modes such as Sleep, Stop, and Standby, along with VBAT supply for RTC and backup registers.
- What types of timers are available on the STM32F042K4T6?
The device includes one 32-bit timer, four 16-bit timers, and one 16-bit advanced-control timer.
- What is the ADC specification of the STM32F042K4T6?
The device features a 12-bit ADC with up to 10 channels and a separate analog supply.
- What packages are available for the STM32F042K4T6?
The device is available in LQFP 32 7x7x1.4 mm and UFQFPN 32 5x5x0.55 mm packages.
- What are some typical applications for the STM32F042K4T6?
Typical applications include application control and user interfaces, hand-held equipment, A/V receivers, PC peripherals, gaming and GPS platforms, industrial applications, and more.
- Does the STM32F042K4T6 support capacitive sensing?
Yes, it supports up to 14 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- Is the STM32F042K4T6 RoHS compliant?
Yes, the STM32F042K4T6 is RoHS compliant with an Ecopack2 grade.
