Overview
The STM32F042C4U6 is a microcontroller from STMicroelectronics, part of the STM32F042x4/x6 family. 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 and comprehensive reset and power management capabilities.
The device supports a wide range of peripherals and communication interfaces, making it suitable for various applications requiring low power consumption and high performance.
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 |
| Power Supply | 2.0 to 3.6 V (VDD), 1.65 to 3.6 V (VDDIO2) |
| Operating Temperature | -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 |
| Communication Interfaces | One I2C, two USARTs, two SPIs, one I2S, one CAN, one USB 2.0 full-speed |
| I/Os | Up to 38 fast I/Os, 24 with 5 V tolerant capability |
| Package | UFQFPN 48 7x7x0.55 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 HW parity
- CRC calculation unit and comprehensive reset and power management
- Low power modes: Sleep, Stop, Standby
- VBAT supply for RTC and backup registers
- Clock management: 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC, internal 8 MHz RC with x6 PLL option
- Up to 38 fast I/Os, all mappable on external interrupt vectors
- 5-channel DMA controller
- One 12-bit, 1.0 μs ADC (up to 10 channels)
- Up to 14 capacitive sensing channels for touchkey, linear and rotary touch sensors
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
- Nine timers including one 16-bit advanced-control timer for six channel PWM output
- Communication interfaces: I2C, USARTs, SPIs, I2S, CAN, USB 2.0 full-speed
- HDMI CEC, wakeup on header reception
- Serial wire debug (SWD) and 96-bit unique ID
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 architecture of the STM32F042C4U6?
The STM32F042C4U6 features an ARM® 32-bit Cortex®-M0 CPU.
- What is the maximum clock frequency of the STM32F042C4U6?
The maximum clock frequency is up to 48 MHz.
- How much Flash and SRAM memory does the STM32F042C4U6 have?
The device has 16 to 32 Kbytes of Flash memory and 6 Kbytes of SRAM with HW parity.
- What are the operating temperature ranges for the STM32F042C4U6?
The operating temperature ranges are -40 to +85 °C and -40 to +105 °C.
- What communication interfaces are available on the STM32F042C4U6?
The device includes one I2C, two USARTs, two SPIs, one I2S, one CAN, and one USB 2.0 full-speed interface.
- Does the STM32F042C4U6 support low power modes?
Yes, it supports Sleep, Stop, and Standby low power modes.
- What is the package type of the STM32F042C4U6?
The package type is UFQFPN 48 7x7x0.55 mm.
- Does the STM32F042C4U6 have a built-in ADC?
Yes, it includes a 12-bit, 1.0 μs ADC with up to 10 channels.
- What are some of the timer features of the STM32F042C4U6?
The device has nine timers, including one 32-bit timer, four 16-bit timers, and one 16-bit advanced-control timer for six channel PWM output.
- Is the STM32F042C4U6 RoHS compliant?
Yes, it is RoHS compliant with an ECOPACK®2 rating.
- What are some typical applications for the STM32F042C4U6?
Typical applications include application control, hand-held equipment, A/V receivers, PC peripherals, gaming and GPS platforms, industrial applications, and more.
