on November 25th 11,812

STM32F103RCT6 Microcontroller Explained

The STM32F103RCT6 microcontroller is designed to deliver reliable performance with its advanced processing capabilities and rich features. Built around the Arm Cortex-M3 core, it offers seamless operation, flexible power options, and efficient memory usage. This article explores its key features, specifications, and applications to help you understand its capabilities.

Catalog

Overview of STM32F103RCT6

The STM32F103RCT6 is built around the Arm Cortex-M3 32-bit RISC core, designed to operate efficiently at a speed of 72 MHz. It combines this processing capability with fast embedded memories, offering up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM. These are paired with a wide array of advanced I/Os and peripherals that connect seamlessly through two APB buses.

This microcontroller stands out because it offers three 12-bit ADCs, four general-purpose 16-bit timers, and two PWM timers. On top of this, it features a rich collection of communication interfaces such as I2C, SPI, I2S, SDIO, USB, CAN, and multiple USARTs, which cater to both standard and advanced application requirements.

The device works efficiently across a wide temperature range of -40°C to +105°C and operates on a flexible power supply between 2.0 and 3.6 V. It also provides several power-saving modes, making it suitable for low-energy designs without compromising functionality.

These capabilities make the STM32F103RCT6 an adaptable solution for diverse applications. Whether you are working on motor drives, medical devices, or gaming peripherals, this microcontroller can handle it all. It is also a strong fit for industrial automation, GPS systems, and consumer electronics like alarms, printers, and HVAC systems. Its versatility and robust performance set it apart as a reliable choice across multiple fields.

STM32F103RCT6 Pin Configuration

STM32F103RCT6 CAD Details

STM32F103RCT6 Symbol

STM32F103RCT6 Footprint

STM32F103RCT6 3D Model

STM32F103RCT6 Functional Block Diagram

STM32F103RCT6 Power Supply Layout

STM32F103RCT6 Specifications

Technical specifications, features, characteristics, and components with comparable specifications of STMicroelectronics STM32F103RCT6.

Type	Parameter
Lifecycle Status	ACTIVE (Last Updated: 7 months ago)
Factory Lead Time	10 Weeks
Mounting Type	Surface Mount
Package / Case	64-LQFP
Surface Mount	YES
Number of Pins	64
Data Converters	A/D 16x12b; D/A 2x12b
Number of I/Os	51
Watchdog Timers	Yes
Operating Temperature	-40°C~85°C TA
Packaging	Tray
Series	STM32F1
JESD-609 Code	e4
Part Status	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Number of Terminations	64
Termination	SMD/SMT
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Max Power Dissipation	444mW
Terminal Position	QUAD
Terminal Form	GULL WING
Supply Voltage	3.3V
Terminal Pitch	0.5mm
Frequency	72MHz
Base Part Number	STM32F103
Pin Count	64
Supply Voltage-Min (Vsup)	2V
Interface	CAN, I2C, I2S, IrDA, LIN, SDIO, SPI, UART, USART, USB
Memory Size	256kB
Oscillator Type	Internal
RAM Size	48K x 8
Voltage - Supply (Vcc/Vdd)	2V~3.6V
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER, RISC
Number of Bits	32
Core Processor	ARM® Cortex®-M3
Peripherals	DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
Program Memory Type	FLASH
Core Size	32-Bit
Program Memory Size	256KB 256K x 8
Connectivity	CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB
Supply Current-Max	70mA
Bit Size	32
Has ADC	YES
DMA Channels	YES
Data Bus Width	32b
PWM Channels	YES
Number of Timers/Counters	8
Density	2 Mb
Core Architecture	ARM
Number of ADC Channels	16
Number of I2C Channels	2
Number of SPI Channels	3
Height	1.45mm
Length	10mm
Width	10.2mm
REACH SVHC	No SVHC
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free

STM32F103RCT6 Key Features

Core Performance

The STM32F103RCT6 is powered by an Arm 32-bit Cortex-M3 CPU that operates at a maximum frequency of 72 MHz. It offers efficient processing with 1.25 DMIPS/MHz performance, ensuring smooth and reliable operation. The core supports single-cycle multiplication and hardware division, which are ideal for handling complex calculations quickly.

Memory Options

This microcontroller provides flexible memory solutions with 256 to 512 Kbytes of Flash memory for program storage and up to 64 Kbytes of SRAM for data handling. It also supports a static memory controller with four chip select options, enabling seamless integration with various memory types, including Compact Flash, SRAM, PSRAM, NOR, and NAND. Additionally, it includes an LCD parallel interface compatible with 8080 and 6800 modes.

Clock and Power Management

The STM32F103RCT6 ensures reliable power and clock management. It operates with a 2.0 to 3.6 V power supply and includes features like Power-On Reset (POR), Power-Down Reset (PDR), and a programmable voltage detector (PVD). The device supports a variety of oscillators, including a 4-to-16 MHz crystal oscillator, an 8 MHz factory-trimmed RC oscillator, and a 32 kHz oscillator for RTC applications, all with built-in calibration options.

Low Power Modes

For energy-efficient applications, this microcontroller offers multiple low-power modes, including Sleep, Stop, and Standby. These modes help reduce power consumption while maintaining functionality. A VBAT supply ensures the RTC and backup registers remain operational even in low-power conditions.

Advanced ADC Capabilities

The device includes three 12-bit analog-to-digital converters (ADCs) with a fast 1 µs conversion rate, supporting up to 21 input channels. These ADCs can handle a wide conversion range from 0 to 3.6 V and offer triple sample-and-hold capabilities. A built-in temperature sensor adds further versatility for monitoring applications.

Integrated DACs

Two 12-bit digital-to-analog converters (DACs) are included, allowing for precise analog signal generation. These DACs are suitable for applications requiring smooth and accurate analog outputs.

DMA Controller

A 12-channel Direct Memory Access (DMA) controller simplifies data transfer between peripherals such as timers, ADCs, DAC, SDIO, I2S, SPI, I2C, and USARTs. This reduces CPU load and improves overall efficiency.

Debugging and Development

The STM32F103RCT6 supports advanced debugging with serial wire debug (SWD) and JTAG interfaces. Additionally, the Cortex-M3 Embedded Trace Macrocell provides enhanced debugging capabilities for development and testing.

High-Speed I/O Ports

This microcontroller features up to 112 fast I/O ports, with 51, 80, or 112 I/Os depending on the package. Many of these ports are 5 V-tolerant, making them suitable for connecting with external components in a variety of applications. Each I/O can be mapped to external interrupt vectors, allowing for flexible configurations.

STM32F103RCT6 Physical Dimensions

Manufacturer Information about STM32F103RCT6

STMicroelectronics, the manufacturer of the STM32F103RCT6 microcontroller, is a leading global semiconductor company. They specialize in delivering a wide range of microelectronics solutions, combining expertise in silicon design and system integration. Their products are integral to various applications, including industrial automation, consumer electronics, and automotive systems. The STM32F103RCT6 exemplifies their commitment to providing high-quality, versatile microcontroller units that meet diverse industry needs.

Parts with Similar Specifications to STM32F103RCT6

The parts on the right have specifications similar to the STMicroelectronics STM32F103RCT6.

Feature	STM32F103RCT6	MK20DX256VLH7	STM32F105RCT6	STM32F107RCT6	STM32F105RCT7
Manufacturer	STMicroelectronics	NXP USA Inc.	STMicroelectronics	STMicroelectronics	STMicroelectronics
Package / Case	64-LQFP	64-LQFP	64-LQFP	64-LQFP	64-LQFP
Number of Pins	64	64	-	64	64
Core Architecture	ARM	ARM	-	ARM	ARM
Data Bus Width	32 b	32 b	-	32 b	32 b
Number of I/O	51	51	40	51	51
Interface	CAN, I2C, I2S, IrDA, LIN, SDIO, SPI, UART, USART, USB	CAN, Ethernet, I2C, I2S, IrDA, LIN, SPI, UART, USART, USB	-	CAN, I2C, I2S, IrDA, LIN, SPI, UART, USART, USB	CAN, I2C, I2S, IrDA, LIN, SPI, UART, USART, USB
Memory Size	256 kB	256 kB	-	256 kB	256 kB
Supply Voltage	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V

Datasheet PDF

MK20DX256VLH7 Datasheet:

MK20DX256VLH7.pdf

MK20DX256VLH7.pdf

MK20DX256VLH7.pdf

STM32F105RCT6 Datasheet:

STM32F105RCT6.pdf

STM32F105RCT7 Datasheet:

STM32F105RCT7.pdf