Overview
The STM32F042K4U6 is a mainstream Arm Cortex-M0 microcontroller from STMicroelectronics. It features a high-performance ARM® 32-bit Cortex®-M0 CPU operating at up to 48 MHz, along with high-speed embedded memories including up to 32 Kbytes of Flash memory and 6 Kbytes of SRAM. This microcontroller is part of the STM32F042x4/x6 series, which offers an extensive range of enhanced peripherals and I/Os, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | ARM® 32-bit Cortex®-M0 CPU |
| Frequency | Up to 48 MHz |
| Flash Memory | 16 to 32 Kbytes |
| SRAM | 6 Kbytes with HW parity |
| Supply Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40 to +85 °C |
| Package | UFQFPN 32 5x5x0.55 mm |
| RoHS Compliance | Ecopack2 |
| CAN Interface | Yes, CAN 2.0 |
| USB Interface | USB 2.0 full-speed |
| Timers | Four 16-bit timers, one 32-bit timer, and one advanced-control PWM timer |
Key Features
- ARM® 32-bit Cortex®-M0 CPU with a frequency up to 48 MHz
- High-speed embedded memories: up to 32 Kbytes of Flash memory and 6 Kbytes of SRAM with HW parity
- CRC calculation unit
- Reset and power management: POR/PDR, PVD, low power modes (Sleep, Stop, Standby)
- Communication interfaces: one I2C, two SPIs (one with I2S interface), two USARTs, one CAN, and one USB 2.0 full-speed interface
- HDMI CEC, serial wire debug (SWD), and 96-bit unique ID
- Comprehensive set of power-saving modes
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 STM32F042K4U6 microcontroller?
The core is an ARM® 32-bit Cortex®-M0 CPU. - What is the maximum frequency of the CPU?
The CPU operates at up to 48 MHz. - How much Flash memory and SRAM does the STM32F042K4U6 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 STM32F042K4U6?
The operating temperature range is -40 to +85 °C. - Does the STM32F042K4U6 support USB?
Yes, it supports USB 2.0 full-speed interface. - What communication interfaces are available on the STM32F042K4U6?
It includes one I2C, two SPIs, two USARTs, one CAN, and one USB 2.0 full-speed interface. - Is the STM32F042K4U6 RoHS compliant?
Yes, it is RoHS compliant with Ecopack2. - What is the package type of the STM32F042K4U6?
The package type is UFQFPN 32 5x5x0.55 mm. - What are some of the power management features of the STM32F042K4U6?
It includes POR/PDR, PVD, and low power modes (Sleep, Stop, Standby). - What are some typical applications of the STM32F042K4U6?
Typical applications include application control and user interfaces, hand-held equipment, A/V receivers, PC peripherals, and industrial applications.
