STM32F042K4T6

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Absolute Maximum Ratings Parameter Value Unit Supply Voltage VDD from -0.3 V to +3.6 V Supply Voltage VDDIO from -0.3 V to +3.6 V Supply Current Idd from 0 to 400 mA Operating Temperature Top -20 to +85 DegC Storage Temperature Tstg -55 to +125 DegC

STM32F042K4T6 Application Field and Working Principle

The STM32F042K4T6 is a low power, highly configurable and cost-effective ARM® Cortex™-M0 microcontroller with a wide range of peripherals suitable for most application fields. This microcontroller belongs to the STM32F042 family that uses the Cortex-M0 core. It operates at a maximum frequency of 48 MHz and features a wide variety of on-chip peripherals including a 128 KB Flash memory, 8 KB DC/SRAM, 4 KB EEPROM, 3 timers, 4 USARTs (3 with LIN functionality), 4 12-bit ADCs, 2 comparators, 3 SPI, 2 I2C, 2 DACs, 1 USB, 2 USARTs (1 with capable of 2.4 Mbps for USB), 3 16-bit timers plus DMA and PWM

The Cortex-M0 core used in the STM32F042K4T6 is based on the ARMv6M Thumb instruction set architecture and implements a 16-bit instruction set. This microcontroller is widely used in applications including smart metering, automotive, industrial control, medical, home appliances, etc. It provides low power consumption and a low cost solution with a wide range of peripherals and a wide external memory interface.

STM32F042K4T6 Features

• High performance Cortex-M0 ARMv6-M core operating at up to 48 MHz
• 128 KB of Flash memory, 3.2 MB of on-chip SRAM
• Clock, reset and power management unit with 12 power saving modes
• System debugging capabilities
• Standard peripherals such as USB, I2C, SPI, USART
• Support for 36 16/32-bit general-purpose timers

STM32F042K4T6 Working Principle

At the heart of the STM32F042K4T6 is the ARM Cortex-M0 processor operating at up to 48 MHz. It is an instruction set architecture that provides an efficient combination of low power consumption and high performance. This core implements the ARMv6-M architectural features for an improved utilization of Flash memory by adding a Thumb2 instruction set that supports 16-bit instructions.

The STM32F042K4T6 has 128 KB of embedded Flash memory and 3.2 KB of on-chip SRAM. The Flash memory allows for a wide range of code options and coding flexibility. The SRAM is used for storing data and it can be directly accessed by the processor. The embedded Flash memory and SRAM are optimized for low power consumption and offer a wide range of configurations to meet different application requirements.

The STM32F042K4T6 includes a wide range of peripherals such as USB, I2C, SPI, USART and up to 36 16-bit/32-bit general purpose timers. These peripherals provide the necessary communication interfaces and enable a variety of devices, such as sensors, actuators, and displays, to be connected to the system. The STM32F042K4T6 also includes a built-in CRC generator for hardware verification, motor controlblocks for motor control applications, a hardware security component for hardware-level security, and a clock management unit for improved power efficiency.

The STM32F042K4T6 is suitable for a wide range of applications due to its high performance and low power consumption. This microcontroller is ideal for applications such as consumer, automotive, industrial control, smart metering, home automation, and medical.

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