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STM32F091CBU6

STM32F091CBU6 - 48MHz Cortex-M0 MCU 128KB Flash | STMicroelectronics

The STMicroelectronics STM32F091CBU6 is a 32-bit ARM Cortex-M0 microcontroller operating up to 48 MHz, with 128 KB of flash memory, 32 KB of SRAM, 38 I/O, and CAN connectivity in a 48-pin UFQFPN 7 x 7 mm package. The STM32F091xB/xC family targets cost-sensitive embedded systems that need more performance and peripheral integration than the entry-level STM32F0 devices. A microcontroller is a programmable system-on-chip that integrates a processor core, nonvolatile program memory, volatile working memory, peripherals, and communication interfaces on one package. Within the hierarchy of embedded semiconductors, the STM32F091CBU6 is an ARM Cortex-M0 microcontroller, an STM32 embedded MCU, and a member of the STM32F0 series. Its compact package and broad peripheral set support space-constrained industrial, consumer, communications, and control applications. Key features include a maximum 48 MHz operating frequency, 128 KB of flash, 32 KB of SRAM, and a 2 V to 3.6 V supply range. The device provides a 12-bit ADC, a 12-bit DAC, 12 timers, and CAN support according to the available product summaries. The 38 I/O provide practical connectivity for sensors, actuators, communication transceivers, human-interface interfaces, and board-level control signals within the 48-pin UFQFPN footprint. The STM32F091CBU6 combines an ARM Cortex-M0 RISC core with integrated memory and peripherals intended for embedded control workloads. Its 32-bit architecture provides 32-bit arithmetic and addressing, while the 48 MHz operating point supports time-sensitive control loops and responsive communication handling. The integrated CRC calculation unit, real-time clock functions, and communication peripherals broaden its utility in compact industrial controllers and connected products. Typical uses include CAN-connected industrial controls, compact sensor hubs, motor and actuator controllers, consumer appliances, and communication equipment. It is particularly appropriate when a design benefits from 128 KB of embedded flash and 32 KB of SRAM but does not require the larger memory or faster core of higher STM32 families. For CAN networks, an external transceiver remains necessary between the MCU and physical bus. Designers should verify the complete UFQFPN land pattern, exposed-pad connection, decoupling requirements, and peripheral pin assignments against the manufacturer documentation before layout. Because the verified sources identify the device and package but do not provide the complete numbered pinout, pin-level assignment should not be inferred from the generic QFN drawing. Firmware migration also requires validation of clocks, interrupts, peripherals, and board-level support rather than assuming that package compatibility alone guarantees identical behavior. This page consolidates the verified STM32F091CBU6 specifications, distributor references, same-package comparison candidates, and practical selection guidance. It distinguishes confirmed electrical and packaging facts from details that still require the manufacturer datasheet, helping engineers evaluate this MCU without treating incomplete cross-reference snippets as a substitute for pin-level qualification.

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STM32F091CCT6

STM32F091CCT6 - 48MHz Cortex-M0 MCU with 256KB Flash | ST

The STMicroelectronics STM32F091CCT6 is a 32-bit ARM Cortex-M0 microcontroller operating up to 48 MHz, with 256 KB of Flash memory and a 48-LQFP 7 x 7 mm package. It supports a 2.0 V to 3.6 V operating range and integrates CAN communication, 12 timers, an ADC, a DAC, and multiple communication interfaces for compact embedded control systems. A microcontroller is a programmable semiconductor that combines a processor core, memory, peripherals, and interface circuitry on one integrated circuit. The STM32F0 access-line MCU family belongs to the broader embedded-controller hierarchy: ARM Cortex-M0 processor core, 32-bit microcontroller, embedded system controller, and semiconductor. Its combination of processing speed, peripheral coverage, and compact package makes it suitable for industrial equipment, sensor nodes, motor controls, and CAN-connected products. Key features include a 48 MHz ARM Cortex-M0 core, 256 KB of Flash, and CAN support capable of operating up to 1 Mbit/s. The device also provides 12 timers, a 12-bit ADC, and a DAC according to the manufacturer datasheet. These resources support applications that require simultaneous digital control, analog measurement, waveform generation, and field-bus communication without using several separate integrated circuits. The STM32F091xB and STM32F091xC devices use a 32-bit RISC architecture and integrate high-speed embedded Flash memory. The CAN interface supports specifications 2.0A and 2.0B, including standard 11-bit and extended 29-bit identifiers. This makes the MCU appropriate for industrial networking, actuator control, and embedded gateways where deterministic protocol support and compact integration are important. Typical applications include CAN-connected sensor hubs, industrial motor controllers, compact PLC modules, medical or diagnostic instrumentation, LED-control systems, and battery-powered IoT equipment. The ADC can acquire analog process variables, the DAC can generate reference or control waveforms, and the timer bank can generate PWM signals for motors, valves, lamps, and power-conversion stages. PCB design should follow the manufacturer pinout and reference-circuit guidance. Place all decoupling capacitors close to the appropriate supply pins, provide a stable clock circuit, route sensitive analog inputs away from switching nodes, and confirm programming, reset, and boot-strapping connections before layout release. The LQFP package also requires adequate solder mask clearance and thermal copper for dependable manufacturing. This product page combines the manufacturer specifications with application guidance, package information, comparison parameters, and practical design considerations. It helps engineers evaluate the STM32F091CCT6 for 48 MHz Cortex-M0 designs that require 256 KB Flash, CAN connectivity, 12 timers, ADC and DAC resources, and a 48-LQFP footprint.

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STM32F091CCU6

STM32F091CCU6 - 48MHz 256KB Cortex-M0 MCU | STMicroelectronics

The STMicroelectronics STM32F091CCU6 is a 32-bit ARM Cortex-M0 microcontroller with a 48 MHz operating frequency, 256 KB of embedded Flash memory, and 32 KB of SRAM in a 48-pin UFQFPN package. It combines a compact 48-pin surface-mount format with embedded CAN connectivity, 12 timers, ADC, DAC, and CRC capabilities for cost-sensitive embedded control systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The STM32F0 family belongs to the MCU, embedded-controller, and semiconductor hierarchy. The STM32F091CCU6 is particularly useful when a design needs deterministic peripheral control, serial communication, and analog signal handling without requiring the processing power or memory of a higher-end Cortex-M processor. The STM32F091CCU6 operates from 2 V to 3.6 V and executes instructions at up to 48 MHz. Its 256 KB Flash provides room for application firmware, while 32 KB of SRAM supports working data and stack operations. The integrated CRC calculation unit helps protect data integrity in communications and storage-oriented firmware. Its 12 timers support periodic events, input capture, output compare, and other time-based control functions. Embedded CAN is a major technical feature of this device. According to the STMicroelectronics manufacturer datasheet, the CAN interface complies with CAN 2.0A and CAN 2.0B and supports bit rates up to 1 Mbit/s. It can process standard 11-bit identifiers and extended 29-bit identifiers, making the MCU suitable for distributed control and communication nodes that need both protocol flexibility and compact integration. Typical uses include industrial control modules, motor and actuator controllers, building automation endpoints, CAN-connected sensors, and compact data-acquisition units. The ADC and DAC can support analog monitoring and signal generation, while the CAN peripheral simplifies communication with remote nodes. Firmware can also use the timer resources for precise periodic control without depending on an external real-time clock. PCB design should prioritize a short, low-impedance ground return and place decoupling capacitors close to the power pins. The 48-pin exposed-pad UFQFPN requires careful thermal-pad layout and adequate copper area for heat dissipation. Confirm the complete pin assignment, exposed-pad connection, and recommended decoupling network in the manufacturer datasheet before routing the board.

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STM32F091CCU7

STM32F091CCU7 - 48MHz Cortex-M0 MCU | STMicroelectronics

STMicroelectronics STM32F091CCU7 is a 32-bit ARM Cortex-M0 microcontroller operating up to 48 MHz, with 256 KB of embedded Flash memory and 32 KB of SRAM, in a 48-pin UFQFPN package measuring 7 x 7 mm. The device combines a compact general-purpose MCU format with CAN connectivity, a 12-timer subsystem, ADC, DAC, and extensive serial peripherals for embedded control applications. A microcontroller is a programmable semiconductor that integrates a CPU core, nonvolatile program memory, volatile data memory, and peripherals such as communications controllers, timers, analog converters, and digital I/O. Within the embedded-system hierarchy, the STM32F091 belongs to STMicroelectronics’ STM32F0 family of 32-bit ARM Cortex-M0 microcontrollers, combining low-complexity control with a broad peripheral set in a surface-mount package. The principal features include a 48 MHz ARM Cortex-M0 RISC core, 256 KB of Flash, and 32 KB of SRAM with hardware parity-CRC capability. The integrated CAN controller supports CAN 2.0A and CAN 2.0B active specifications, including standard 11-bit and extended 29-bit identifiers, with bit rates up to 1 Mbit/s. Twelve timers support timing, PWM, motor-control, and input-capture tasks, while the ADC and DAC reduce the need for external analog components in measurement and signal-generation systems. The STM32F091 architecture is suited to cost-conscious embedded platforms requiring deterministic peripheral access without a high-complexity processor. Its 32-bit Cortex-M0 instruction set supports efficient event handling and control loops, while integrated communication peripherals allow the device to operate as a local CAN controller. The 256 KB Flash capacity is suitable for firmware, configuration data, and application logic, while 32 KB of SRAM supports working state, stacks, buffers, and peripheral data structures. Typical uses include industrial CAN nodes, motor and solenoid controllers, building automation equipment, sensor hubs, actuator interfaces, and compact consumer-control products. The CAN interface is particularly useful when the MCU must exchange cyclic or diagnostic data across a multi-node network. The ADC supports analog measurement, the DAC supports programmable analog output, and the timer bank enables precise timing relationships for motor-drive, lighting, and general-purpose control applications. Board design should account for the dense 7 x 7 mm UFQFPN footprint, exposed-pad thermal requirements, and clean supply routing. Place input and output decoupling capacitors close to the relevant power pins, provide adequate high-frequency return paths beneath the device, and follow the manufacturer’s land-pattern and exposed-pad guidance. Firmware should be validated for startup sequencing, peripheral clock configuration, CAN termination, and analog-reference noise before production release. This product page combines the manufacturer’s technical specification, package information, interface details, sourcing availability, and engineering guidance. It also organizes same-family drop-in candidates by memory and temperature options, helping designers evaluate PCB reuse while recognizing that firmware, qualification, and production validation remain necessary for each replacement decision.

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STM32F091RBT6

STM32F091RBT6 - 48MHz ARM Cortex-M0 MCU 128KB Flash LQFP-64

The STMicroelectronics STM32F091RBT6 is a 32-bit ARM Cortex-M0 microcontroller in the STM32F0 Access line, offering 128 KB Flash, 32 KB SRAM, and a 48 MHz CPU in a 64-pin LQFP (10x10 mm) package. It integrates CAN 2.0B, USB 2.0 Full-Speed (without internal PHY), a 12-bit ADC, a 12-bit DAC, and 12 timers, providing a rich set of peripherals for cost-sensitive embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, and programmable I/O peripherals. The STM32F0 family positions itself as the entry point to ST's Cortex-M0 portfolio, optimized for 8/16-bit replacement by delivering higher performance (48 MHz, 38 DMIPS) at comparable or lower system cost. Within the STM32 taxonomy, the STM32F0 sits below the Cortex-M3/M4 STM32F1/F3 lines and the Cortex-M4/M7 STM32F4 lines; it shares the same STM32 standard peripheral library and STM32CubeMX ecosystem for code portability. Key features of the STM32F091RBT6 include 128 KB Flash with read-while-write support, 32 KB SRAM, a 12-bit 1 MSPS ADC with up to 16 channels, two 12-bit DAC channels, two I2C, two SPI, four USART, one USB 2.0 Full-Speed, one CAN 2.0B, and one HDMI-CEC interface. Operating voltage spans 2.0 V to 3.6 V, with low-power Run, Sleep, Stop, and Standby modes consuming as little as a few microamperes, plus a real-time clock and battery backup domain. Architecturally, the Cortex-M0 core delivers 0.9 DMIPS/MHz using Thumb-2 instructions, paired with a single-cycle multiplier and a Nested Vectored Interrupt Controller (NVIC). The device supports serial-wire debug (SWD) and JTAG, and ST's standard HAL/LL drivers in the STM32Cube ecosystem make firmware migration across STM32 families straightforward. Typical applications include USB HID peripherals, CAN node endpoints in industrial networks, low-cost motor control boards, USB-CDC virtual COM ports, smart sensors, and consumer appliances. The wide operating voltage and integrated CAN make it attractive for both 3.3 V industrial nodes and battery-powered consumer devices. When designing with this MCU, allocate decoupling capacitance of 100 nF per VDD pin plus a bulk 4.7 uF near the regulator, and ensure VDDA/VREF+ filtering for ADC accuracy. For USB, route the DP/DM pair as a 90 ohm differential and use the dedicated USB power-domain pins per the reference manual. This page synthesizes distributor pricing, parametric alternatives, and practical design notes that complement the ST datasheet and reference manual, helping engineers evaluate the STM32F091RBT6 for production BOM decisions.

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STM32F091RCT6

STM32F091RCT6 - Cortex-M0 48MHz 256KB MCU | STMicroelectronics

The STMicroelectronics STM32F091RCT6 is a 32-bit ARM Cortex-M0 microcontroller operating at up to 48 MHz with 256 KB of embedded Flash memory and 32 KB of SRAM, housed in a 64-pin LQFP (10x10 mm) surface-mount package. A microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest tier of embedded processing hierarchy: MCU -> embedded processor -> system-on-chip. The STM32F091RCT6 belongs to STMicroelectronics' STM32F0 Access Line, the entry-level mainstream family of the broader STM32 portfolio, which spans Cortex-M0 to Cortex-M7 cores and is one of the most widely deployed ARM microcontroller platforms in industrial and consumer electronics. Key features of this device include the ARM Cortex-M0 32-bit RISC core at 48 MHz, 256 KB Flash with ECC option, 32 KB SRAM with hardware parity check, and a rich communication set highlighted by a CAN 2.0B interface - uncommon at this price point - plus up to 8 USARTs, 2 I2C, 2 SPI, and HDMI-CEC. The STM32F091 also integrates a CRC calculation unit, 12-bit ADC with up to 16 channels, DAC, comparators, and flexible clocking with an internal 48 MHz HSI requiring no external crystal. Technically, the F091 implements ST's ART-free Cortex-M0 pipeline with zero-wait-state execution from Flash at 48 MHz, 2.0 V to 3.6 V single-supply operation, and five low-power modes down to stop mode with wake-up on USART. The peripheral multiplexer (SYSCFG) allows flexible routing of digital peripherals to alternate pins, simplifying PCB layout. Typical applications include industrial fieldbus nodes exploiting the CAN interface, motor control and power conversion, building automation sensors, and consumer appliances requiring multiple serial ports. A key design consideration: enable the clock security system (CSS) on HSE and use the internal 48 MHz source for USB or CAN bit timing to remove crystal-related failure modes. This page synthesizes verified distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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STM32F091VCH6

STM32F091VCH6 - 48MHz Cortex-M0 MCU with 256KB Flash | STMicroelectronics

The STMicroelectronics STM32F091VCH6 is a 32-bit ARM Cortex-M0 microcontroller operating at up to 48 MHz, with 256 KB of Flash memory and CAN connectivity, housed in a 100-pin UFBGA package measuring 7 x 7 mm. It operates from 2.0 V to 3.6 V and is positioned as a mainstream microcontroller for compact embedded control systems. A microcontroller is a semiconductor that integrates a CPU core, program memory, data memory, peripherals, and communication interfaces on one die. Within the product hierarchy, the STM32F091VCH6 is an ARM Cortex-M0 microcontroller, an embedded MCU, and a member of STMicroelectronics' STM32F0 mainstream access family. Its combination of a 48 MHz processor, 256 KB Flash, and extensive peripheral integration supports control-oriented products requiring more capability than very small general-purpose MCUs. Key features identified in the available manufacturer and distributor data include a 32-bit ARM Cortex-M0 core, 48 MHz maximum CPU frequency, 256 KB Flash, CAN support, 12 timers, a 12-bit ADC, a DAC, and communication interfaces. The 100-UFBGA package uses a 7 x 7 mm footprint, making the device suitable for space-constrained boards where a larger leaded or quad-flat package would be inconvenient. The STM32F091VCH6 combines a general-purpose Cortex-M0 processing core with dedicated peripherals for analog measurement, signal generation, timing, and serial communication. Two independent 12-bit converters—one ADC and one DAC—allow a controller to acquire sensor data and generate analog output. The CAN interface supports industrial communication designs where a wired network is preferable to a general-purpose serial interface. Typical applications include industrial sensor controllers, building automation equipment, motor and actuator control, CAN-connected embedded nodes, compact data-acquisition systems, and low-cost consumer devices. Its 256 KB Flash provides room for a bootloader and application firmware, while the 48 MHz CPU supports responsive control loops and communication service tasks. Designers should confirm the exact 100-UFBGA land pattern, exposed-pad requirements, pin multiplexing, and decoupling recommendations against the manufacturer datasheet before layout. Firmware should also account for STM32F0 peripheral behavior, clock configuration, and the operating-voltage limits rather than assuming compatibility with other STM32 families. This product page consolidates verified distributor specifications, application guidance, sourcing information, and strict drop-in replacement analysis. It also distinguishes confirmed same-footprint alternatives from merely similar MCUs, helping engineers avoid confusing electrical equivalence with true PCB-level replaceability.

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STM32F091VCT6

STM32F091VCT6 - 48MHz Cortex-M0 256KB MCU | STMicroelectronics

The STMicroelectronics STM32F091VCT6 is a 32-bit ARM Cortex-M0 microcontroller operating at up to 48 MHz, with 256 KB of flash memory, 32 KB of SRAM, and a 100-pin LQFP package measuring 14 mm by 14 mm. It operates from a 2 V to 3.6 V supply and supports 2.5 V and 3.3 V system rails. A microcontroller is a programmable integrated circuit that combines a processor core, nonvolatile program memory, working memory, peripherals, and communication interfaces on one device. The STM32F091VCT6 belongs to STMicroelectronics' STM32F0 access-line family, where the ARM Cortex-M0 core provides a compact architecture for cost-sensitive embedded control. In the product hierarchy, it is a 32-bit microcontroller, embedded processor, and semiconductor intended for general-purpose industrial and consumer electronics. Verified device features include a 48 MHz Cortex-M0 processor, 256 KB of flash organized as 256K by 8 bytes, 32 KB of SRAM, a CRC calculation unit, and CAN connectivity. The 100-pin LQFP-100 package provides a large number of external connections compared with smaller 32-pin or 64-pin devices. This combination is useful when a design requires both substantial local memory and a broad selection of general-purpose I/O. The Cortex-M0 core uses a 32-bit RISC architecture and operates from a 2 V to 3.6 V range. Flash retains programmed firmware when power is removed, while SRAM provides volatile working memory for stack, data, and runtime operations. The CRC unit supports data-integrity calculations, and the available CAN interface is valuable for industrial networking, vehicle subsystems, or embedded control networks requiring a standardized serial bus. Typical applications include industrial automation controllers, CAN-connected equipment, building and access systems, motor-control supervisory logic, and consumer products with a substantial pin requirement. Designers can place the MCU between external sensors, communication transceivers, actuators, and power-conversion stages. The 100-pin package also offers a practical footprint for designs requiring several communications, timer, and general-purpose I/O resources. The primary design consideration is pin and peripheral planning. Before assigning external circuitry, engineers should verify the complete pinout, alternate-function mapping, and electrical limits in the manufacturer documentation. The 2 V to 3.6 V operating range also requires attention to regulator headroom, input filtering, decoupling, and brownout behavior during power transitions. This page combines verified manufacturer and distributor information with package details, pricing context, application guidance, and honest drop-in replacement analysis. The replacement search found one defensible same-package option; other packaging variants and differently pinned devices were intentionally excluded because they would not constitute qualified drop-in replacements.

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STM32F100C6T6B

STM32F100C6T6B - 24MHz Cortex-M3 MCU 32KB LQFP-48 | STMicroelectronics

The STMicroelectronics STM32F100C6T6B is a value-line 32-bit ARM Cortex-M3 microcontroller operating at 24 MHz with 32 KB of Flash and 4 KB of SRAM, housed in a 48-pin LQFP (7x7 mm) package. It is part of the STM32F100 medium-density family and integrates a high-performance RISC core with rich peripherals for cost-sensitive embedded applications. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), working memory (SRAM), and a rich peripheral mix including timers, ADCs, communication interfaces, and GPIO. Within the broader category hierarchy, the STM32F100 sits at Microcontroller -> ARM Cortex-M MCU -> 32-bit MCU -> Embedded Processor -> Semiconductor. Cortex-M3 cores implement the ARMv7-M architecture with Thumb-2 instruction set, deterministic interrupt handling, and hardware division — making them well suited to real-time control tasks. Key features of the STM32F100C6T6B include a 12-bit ADC (1 µs conversion), two 12-bit DACs, six general-purpose 16-bit timers, a 24 MHz maximum core clock, and up to 37 GPIO pins. The device integrates up to eight communication interfaces including I2C, SPI, USART, and CAN, plus a 1-channel advanced timer for motor control. Operating voltage spans 2.0 V to 3.6 V across the –40 °C to +85 °C industrial temperature range. Architecturally, the part uses ST's 130 nm CMOS process with embedded Flash and a nested vector interrupt controller (NVIC) capable of handling up to 60 maskable interrupt sources. The integrated voltage regulator supports both run, sleep, stop, and standby low-power modes. Hardware CRC and 96-bit unique device ID reduce firmware overhead and enable secure identification. Typical applications include home appliances and white goods, HVAC control, motor control for low-voltage DC and stepper motors, industrial sensors, USB accessories, and low-cost consumer electronics such as remote controls, toys, and LED lighting controllers. The wide peripheral mix also makes the STM32F100C6T6B suitable for smart-metering peripherals and simple HMI boards. When designing with this part, note that the 48-pin LQFP footprint is shared across much of the STM32F1 family, allowing straightforward migration to higher-density parts (C8/CB) without PCB redesign. Ensure the BOOT0 strap and NRST reset network follow ST's reference design, and respect the 3.3 V supply tolerance for reliable Flash operation. This page synthesizes distributor pricing, drop-in LQFP-48 alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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STM32F101R8T6

STM32F101R8T6 - 36MHz Cortex-M3 64KB MCU | STMicroelectronics

STMicroelectronics STM32F101R8T6 is an ARM Cortex-M3 32-bit RISC microcontroller operating at up to 36 MHz, with 64 KB of Flash memory, 10 KB of SRAM, and a 64-pin LQFP package measuring 10 mm by 10 mm. The device belongs to the STM32F101 medium-density access-line family and integrates an ADC, timers, and communication interfaces for compact embedded-control systems. A microcontroller is a programmable semiconductor that combines a CPU core, memory, peripherals, and communication interfaces on one integrated circuit. Within the embedded-system hierarchy, the STM32F101R8T6 is an ARM Cortex-M3 MCU, a 32-bit RISC controller within the broader STM32 family of Arm-based microcontrollers and embedded processors. Its general-purpose architecture supports control logic, sensor acquisition, communications, motor control, and user-interface functions without requiring a separate processor. The principal features include a maximum operating frequency of 36 MHz, 64 KB of Flash, 10 KB of RAM, one 12-bit ADC, six timers, and seven communication interfaces. The LQFP-64 package provides 48 I/O pins according to the device listing while supporting both leaded PCB assembly and straightforward inspection. A 2.5 V or 3.3 V operating designation suits conventional embedded-control boards and industrial equipment that use standard 3.3 V logic. The STM32F101R8T6 uses the ARM Cortex-M3 processor architecture, which provides deterministic instruction execution and a broad peripheral ecosystem. Its flash-resident firmware, SRAM workspace, ADC, timers, and serial interfaces allow a complete application to be implemented around a single device. Seven communication interfaces make the MCU appropriate for systems that must connect sensors, external controllers, displays, or data-conversion equipment without depending on multiple discrete interface devices. Typical applications include industrial sensor nodes, motor-control controllers, communication modules, building-control equipment, data-acquisition systems, and compact consumer appliances. The combination of 64 KB Flash and 10 KB RAM is well suited to protocol conversion, supervisory control, configuration management, and applications that periodically collect measurements through the ADC. PCB design should preserve clean analog and digital ground behavior around the ADC, provide the required decoupling at each supply pin, and route high-current or high-switching-node connections away from sensitive analog inputs. Confirm the exact peripheral mapping and alternate-function assignments against the manufacturer datasheet before assigning board signals, particularly where several timer channels or communication functions share pins. This product page combines manufacturer-family information, distributor specifications, cross-reference analysis, package details, and practical replacement guidance. It is intended to support faster engineering selection while preserving the distinction between a footprint-compatible candidate and a fully qualified, application-tested substitute.

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STM32F101RDT6

STM32F101RDT6 - 32-Bit 36MHz Cortex-M3 MCU | STMicroelectronics

STMicroelectronics STM32F101RDT6 is a 32-bit ARM Cortex-M3 microcontroller operating at up to 36 MHz, with 384 KB of embedded Flash memory, 48 KB of SRAM, and a 64-LQFP 10 x 10 mm package. It belongs to the STM32F1 access-line family and is designed for embedded control applications requiring a high-performance 32-bit core, extensive GPIO access, and integrated analog and communication peripherals. A microcontroller is a programmable semiconductor device that combines a processor core, memory, timers, serial interfaces, analog conversion functions, and GPIO in one integrated circuit. The STM32F101RDT6 provides the processing foundation for industrial equipment, consumer appliances, data acquisition equipment, communication modules, and motor-control systems. Its ARM Cortex-M3 RISC architecture supports efficient control-loop execution while its two APB peripheral buses connect timers, serial interfaces, and other enhanced I/O resources. Key device characteristics include a maximum 36 MHz operating frequency, 384 KB of Flash program memory, 48 KB of SRAM, one 12-bit ADC, four 12-bit timers, and a broad selection of communication interfaces. The 64-LQFP package exposes the full high-density pin complement, making the device suitable for designs that need numerous external connections rather than a minimal microcontroller footprint. The STM32F101xC, STM32F101xD, and STM32F101xE access-line family shares a common peripheral architecture across different memory densities. The STM32F101RDT6 is based on the 32-bit ARM Cortex-M3 core and uses embedded Flash for firmware storage and SRAM for working memory. Two APB buses connect timers and communication peripherals, allowing the MCU to coordinate control functions without requiring extensive discrete logic. The integrated 12-bit ADC supports analog sensing, while the available timer resources support timing, pulse generation, and motor-control functions. The exact peripheral mix, operating limits, and electrical characteristics should be checked against the manufacturer datasheet for the specific order code. Typical applications include industrial control panels, sensor and data-acquisition nodes, building equipment, communication controllers, access-control systems, and compact consumer devices. The 64-pin package provides enough I/O for external sensors, display or communication interfaces, actuators, and debugging or programming signals. A designer can use the STM32F101RDT6 in applications where deterministic real-time behavior and a broad peripheral set are more important than an extremely small package. For PCB design, place the decoupling network close to the supply pins and route high-speed clocks and debug signals according to the manufacturer pin description and layout recommendations. Confirm the package dimensions, exposed thermal behavior, pin assignments, and electrical operating limits against the official STM32F101RD documentation before releasing a layout. This product page consolidates the manufacturer’s device description, verified distributor records, package details, practical design guidance, and engineering-focused replacement analysis into one reference for MCU selection and board design.

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STM32F101VET6

STM32F101VET6 - 32-Bit 36MHz Cortex-M3 MCU | STMicroelectronics

The STMicroelectronics STM32F101VET6 is a 32-bit ARM Cortex-M3 microcontroller operating at up to 36 MHz, with 512 KB of Flash memory and a 100-LQFP package measuring 14 x 14 mm. It is an STM32F1-series access-line MCU designed for embedded control applications requiring a broad peripheral set and a conventional 100-pin package. A microcontroller is an integrated semiconductor device containing a processor core, memory, I/O ports, and peripherals such as timers, serial interfaces, and analog converters. The STM32F101VET6 belongs to the Cortex-M3 -> 32-bit microcontroller -> embedded processor -> semiconductor hierarchy, combining deterministic control processing with extensive on-chip integration. Key verified attributes include an ARM Cortex-M3 core, 32-bit architecture, 36 MHz maximum clock frequency, 512 KB Flash, and 100-LQFP packaging. The 100-pin package provides substantially more I/O and peripheral connectivity than smaller 48-pin devices, making the MCU suitable for control panels, industrial controllers, communication gateways, and multi-interface embedded systems. The verified distributor listing identifies 37 I/O ports, while the package snippet identifies a 14 x 14 mm LQFP outline. The STM32F101VET6 is positioned as an access-line part rather than a low-power or high-performance Cortex-M series member. Its principal engineering value is the combination of Cortex-M3 software support, ample Flash storage for larger firmware images, and a high pin count for concurrent peripheral connections. The STM32F101 family name also indicates a mature STM32F1 platform, although exact peripheral details should be confirmed in the manufacturer documentation before final design release. Typical designs can use the MCU for industrial automation, embedded gateways, data acquisition, motor and relay control, and communication equipment. The 100-LQFP footprint requires a multilayer or carefully routed PCB with adequate escape routing for its fine-pitch leads. Designers should verify power, clock, peripheral, and pin multiplexing requirements against the exact datasheet and validate firmware, bootloader, timing, and mixed-signal behavior. This page combines verified distributor and cross-reference information with structured engineering guidance. It distinguishes confirmed STM32F101VET6 attributes from specifications that still require manufacturer-data confirmation, helping engineers evaluate sourcing, replacement, and design decisions without treating unverified details as guaranteed facts.

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STM32F101ZCT6

STM32F101ZCT6 - ARM Cortex-M3 MCU, 256KB Flash, 144-LQFP | STMicroelectronics

The STMicroelectronics STM32F101ZCT6 is an ARM Cortex-M3 32-bit microcontroller running at up to 36 MHz with 256 KB of Flash and 32 KB of SRAM, housed in a 144-pin LQFP (20x20 mm) package. It belongs to the STM32F1 access line high-density family, integrating USB, CAN, timers, ADC and multiple communication interfaces for cost-sensitive embedded control. An ARM Cortex-M3 microcontroller is a 32-bit RISC processor core designed by Arm Holdings, featuring Thumb-2 instruction set, hardware single-precision multiply, and a Nested Vectored Interrupt Controller (NVIC). The STM32F101 family belongs to the broader STM32 ecosystem, which sits within the hierarchy: microcontroller -> embedded MCU -> semiconductor -> integrated circuit. Compared with the F0 (Cortex-M0) and F4 (Cortex-M4) families, the F1 family targets mainstream applications with low cost, simple peripherals, and broad tool support. The device features 256 KB of single-bank Flash, 32 KB SRAM, up to 112 general-purpose I/O, three 12-bit ADCs (1 µs conversion), up to ten timers, USB full-speed device, two CAN 2.0B controllers, three USARTs, two SPIs, and two I²C buses. The integrated voltage regulator supports 2.0–3.6 V single-supply operation with brown-out reset and programmable voltage detector, allowing direct Li-ion or 3.3 V system-rail connection. From an architectural standpoint, the STM32F101ZCT6 uses a 3-stage pipelined Cortex-M3 core with single-cycle multiplier and hardware divide (2–12 cycles). The bus matrix arbitrates between the CPU DMA core, Flash/7-three code, SRAM, and peripheral bridges (APB1/APB2). This multi-bus topology lets USB/CAN transfer work while the CPU executes from Flash without contention, simplifying firmware development. Typical applications include industrial motor drives, USB HID peripherals, CAN-node industrial controllers, building automation gateways, HVAC controls, smart-metering nodes, and consumer appliances requiring moderate processing, mixed-signal performance, and abundant I/O. A key design consideration: at 72 MHz operation, design PCB layout with 4-layer stack-up, decoupling capacitors placed within 5 mm of each supply pin, and crystal traces guarded by ground to meet USB and CAN EMC requirements. The 144-pin LQFP has generous ground pins for low-impedance return paths. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, optimized for engineers searching for an STM32F101 access-line replacement or pin-compatible second source.

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STM32F102R6T6A

STM32F102R6T6A - 48MHz Cortex-M3 MCU, 32KB Flash, USB | STMicroelectronics

The STMicroelectronics STM32F102R6T6A is a 32-bit ARM Cortex-M3 microcontroller operating at 48 MHz, integrating 32 KB of Flash and 6 KB of SRAM, with a USB Full-Speed (USB FS) device interface, housed in a 64-pin LQFP package. It belongs to ST's STM32F1 medium-density USB access line, optimized for cost-sensitive embedded designs that require USB connectivity, multiple timers, and a rich set of communication peripherals. An ARM Cortex-M3 microcontroller is a 32-bit RISC processor core designed by Arm for deterministic real-time embedded applications. The Cortex-M3 family is widely used in industrial control, consumer electronics, and USB-connected devices because it combines Thumb-2 instruction efficiency with tightly-coupled NVIC interrupt handling and single-cycle multiply. Within the broader STM32 family hierarchy, the F102 sits below the F103 (72 MHz, more peripherals) and above the F100 (no USB), positioning it as the entry-point USB-enabled MCU for low-cost designs. Key features of the STM32F102R6T6A include 32 KB Flash in a 32K x 8 organization, 6 KB SRAM, a 12-bit ADC with up to 16 channels, five timers (one 16-bit advanced PWM, one 16-bit general-purpose, two watchdog timers, and a SysTick), and five communication interfaces including USB FS, one I2C, two SPIs, and three USARTs. The 64-pin LQFP package exposes 51 general-purpose I/O lines and supports 5 V tolerant I/Os on most pins, simplifying mixed-voltage interfacing. The device operates from a 2.0 V to 3.6 V supply, includes a power-on reset (POR), programmable voltage detector (PVD), and a low-power sleep/stop/standby mode set. The integrated USB 2.0 Full-Speed device controller with on-chip PHY eliminates external USB transceivers, reducing BOM cost for HID, CDC, and DFU class devices. Typical applications include USB human-interface devices (keyboards, mice, game controllers), USB-to-UART bridges, industrial control panels, low-end motor control with PWM, sensor hubs, and small home appliances. The wide peripheral mix and free STM32CubeIDE toolchain make it popular for rapid prototyping and OEM designs. When designing with this part, ensure the USB DP/DQ traces are 90 ohms differential and routed within 2 mm of each other; improper impedance causes USB compliance failure. The on-chip 8 MHz HSI RC is factory-trimmed to +/-2% across temperature, allowing USB operation without an external crystal when the CRS (clock recovery system) is used. This page synthesizes distributor pricing, parametric alternatives, and practical PCB/USB design notes not consolidated on the manufacturer product page. (424 words)

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STM32F103C4T6A

STM32F103C4T6A - 72MHz Cortex-M3 MCU, 16KB Flash | STMicroelectronics

STMicroelectronics STM32F103C4T6A is a 32-bit ARM Cortex-M3 microcontroller rated up to 72 MHz, with 16 KB of Flash memory and 37 I/O ports, packaged in a 7 x 7 mm LQFP-48. The device operates from a 2.4 V to 3.6 V supply and includes single-cycle multiplication, hardware division, and 1.25 DMIPS/MHz performance at zero wait-state memory access. A microcontroller is a programmable control component that integrates a processor core, memory, peripheral interfaces, and I/O in one device. The STM32F103C4T6A belongs to the STM32F1 performance-line family, where STM32 identifies the product family, F103 identifies the performance-line device series, and C4T6A identifies the specific memory, package, temperature, and ordering configuration. The principal features include a 72 MHz ARM 32-bit Cortex-M3 RISC core, 16 KB Flash, and 37 I/O ports. Its operating voltage range of 2.4 V to 3.6 V suits conventional 3.3 V embedded systems. The Cortex-M3 core supports single-cycle multiplication and hardware division, helping reduce instruction count in control, communications, and signal-processing firmware. This ordering code belongs to the low- and medium-density STM32F1 platform, whose product family provides 12 timers, ADC and DAC resources, and up to eight communication interfaces according to the family-level product information. The 16 KB Flash capacity should be checked carefully against bootloader, application, and firmware-update requirements before design release because the smaller-memory variant may not accept code built for the 64 KB or 128 KB members. Typical applications include compact industrial controllers, sensor nodes, communication modules, motor-control peripherals, and educational embedded platforms. Its 48-lead LQFP package exposes more I/O and peripheral connections than smaller packages, while its 7 x 7 mm body keeps the component practical for multilayer PCB designs. A principal design consideration is memory planning. Engineers should reserve space for a bootloader, application code, configuration data, and future growth before fixing the firmware layout. Clock, low-power behavior, analog peripheral accuracy, and communication timing should be validated in hardware because only the explicitly verified family-level parameters are summarized in the supplied data. This product record combines verified manufacturer and distributor information with practical selection guidance, package-aware alternatives, and engineering design notes. It also distinguishes electrically similar alternatives from fully qualified drop-in choices by documenting memory, clock, software, and qualification differences that require review before substitution.

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STM32F103C6T6

STM32F103C6T6 - 72MHz Cortex-M3 MCU 32KB Flash | ST

The STMicroelectronics STM32F103C6T6 is a 32-bit ARM Cortex-M3 microcontroller operating at 72 MHz with 32 KB Flash memory and 10 KB SRAM, housed in a 48-pin LQFP surface-mount package. A microcontroller unit (MCU) integrates a processor core, memory, and peripherals on a single chip, sitting at the top of the embedded hierarchy: MCU -> embedded processor -> microprocessor -> semiconductor. The STM32F1 series, based on the ARM Cortex-M3 RISC core, is one of the most widely deployed 32-bit MCU families in industrial and consumer electronics, and the STM32F103C6T6 is its entry-level mainstream-line member. Key features include the 72 MHz Cortex-M3 core, 32 KB (32K x 8) Flash, 10 KB SRAM, two 12-bit ADCs (up to 10 external channels), seven 16-bit timers including one 24-bit down-counter, USB 2.0 full-speed and CAN 2.0B interfaces, and multiple SPI, I2C, and USART serial ports. Supply voltage spans 2.0 V to 3.6 V with the core at 3.3 V nominal. Architecturally, the Cortex-M3 uses a 3-stage pipeline with Harvard bus structure, Thumb-2 instruction set, and a nested vectored interrupt controller (NVIC) delivering low, deterministic interrupt latency. Peripherals connect through the APB1/APB2 bus matrix, and the flash accelerator keeps 72 MHz execution efficient from zero-wait-state-capable memory ranges. Typical applications include motor control, industrial automation nodes, USB and CAN communication boards, consumer appliances, and low-cost development platforms such as the Blue Pill board ecosystem. For design, plan flash headroom carefully: 32 KB fills quickly with USB stacks or RTOS code, so consider the pin-compatible STM32F103C8T6 (64 KB) if code size is uncertain. This page synthesizes distributor pricing, verified drop-in alternatives including GigaDevice GD32F103, and practical design notes not found in the ST datasheet.

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STM32F103C6T6A

STM32F103C6T6A - 72MHz Cortex-M3 32KB MCU | STMicroelectronics

The STMicroelectronics STM32F103C6T6A is a low-density, 32-bit ARM Cortex-M3 microcontroller operating at up to 72 MHz, with 32 KB of Flash memory and a 48-pin LQFP package measuring 7 x 7 mm. It belongs to the STM32F103 performance-line family and integrates USB, CAN, six timers, two ADCs, and six communication interfaces for compact embedded-control designs. A microcontroller is a programmable semiconductor that combines a processor core, memory, and peripherals in one integrated circuit. In the product hierarchy, the STM32F103C6T6A is an MCU, embedded controller, and semiconductor. Its ARM Cortex-M3 RISC core provides deterministic instruction execution while integrated communications and analog peripherals reduce the need for external components in control, monitoring, and communications equipment. Key features include 72 MHz maximum core frequency, 32 KB Flash, and a 1.25 DMIPS/MHz performance figure. Peripheral integration includes USB, CAN, six timers, and two ADCs. The six communication interfaces support systems that must exchange data through serial or bus-based protocols. The 48-LQFP 7 x 7 mm package is suitable for conventional surface-mount PCB assembly while exposing a broad set of general-purpose and peripheral pins. The STM32F103C6 family is positioned as a low-density performance-line device. The verified product information identifies the 32-bit core, 72 MHz operating rate, 32 KB Flash configuration, and broad peripheral mix, but it does not provide verified RAM capacity, voltage limits, pin-level functions, or operating-temperature values. Those details should therefore be confirmed against the current STMicroelectronics datasheet and device documentation before schematic release. Typical applications include USB-connected data acquisition, CAN-connected industrial modules, digital control equipment, compact sensor nodes, communication interfaces, and general embedded-control boards. The two ADCs support analog measurement, while six timers support timing, counting, PWM, and motor-control functions. The integrated USB and CAN interfaces are particularly useful where wired connectivity is required without external protocol controllers. A key design consideration is avoiding assumption-based pin or peripheral mapping. Because the supplied verified results do not enumerate the 48 package connections, engineers should use the official STM32F103x4 and STM32F103x6 documentation to confirm power pins, oscillator connections, debug functions, and peripheral multiplexing before layout or firmware development. This page combines verified manufacturer and distributor specifications, a package-aware comparison, practical migration guidance, and drop-in alternative information. It also distinguishes confirmed facts from parameters that still require datasheet verification, helping engineers evaluate the STM32F103C6T6A without relying on unsupported assumptions.

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STM32F103C6T6ATR

STM32F103C6T6ATR - 72MHz Cortex-M3 32KB MCU | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F103C6T6ATR is a low-density, 32-bit ARM Cortex-M3 microcontroller operating at up to 72 MHz, with 32 KB of Flash memory and a 48-pin LQFP package measuring 7 x 7 mm. It belongs to the STM32F103 performance-line family and integrates USB, CAN, six timers, two ADCs, and six communication interfaces for compact embedded-control designs. A microcontroller is a programmable semiconductor that combines a processor core, memory, and peripherals in one integrated circuit. In the product hierarchy, the STM32F103C6T6ATR is an MCU, embedded controller, and semiconductor. Its ARM Cortex-M3 RISC core provides deterministic instruction execution while integrated communications and analog peripherals reduce the need for external components in control, monitoring, and communications equipment. Key features include 72 MHz maximum core frequency, 32 KB Flash, and a 1.25 DMIPS/MHz performance figure. Peripheral integration includes USB, CAN, six timers, and two ADCs. The six communication interfaces support systems that must exchange data through serial or bus-based protocols. The 48-LQFP 7 x 7 mm package is suitable for conventional surface-mount PCB assembly while exposing a broad set of general-purpose and peripheral pins. The STM32F103C6 family is positioned as a low-density performance-line device. The verified product information identifies the 32-bit core, 72 MHz operating rate, 32 KB Flash configuration, and broad peripheral mix, but it does not provide verified RAM capacity, voltage limits, pin-level functions, or operating-temperature values. Those details should therefore be confirmed against the current STMicroelectronics datasheet and device documentation before schematic release. Typical applications include USB-connected data acquisition, CAN-connected industrial modules, digital control equipment, compact sensor nodes, communication interfaces, and general embedded-control boards. The two ADCs support analog measurement, while six timers support timing, counting, PWM, and motor-control functions. The integrated USB and CAN interfaces are particularly useful where wired connectivity is required without external protocol controllers. A key design consideration is avoiding assumption-based pin or peripheral mapping. Because the supplied verified results do not enumerate the 48 package connections, engineers should use the official STM32F103x4 and STM32F103x6 documentation to confirm power pins, oscillator connections, debug functions, and peripheral multiplexing before layout or firmware development. This page combines verified manufacturer and distributor specifications, a package-aware comparison, practical migration guidance, and drop-in alternative information. It also distinguishes confirmed facts from parameters that still require datasheet verification, helping engineers evaluate the STM32F103C6T6ATR without relying on unsupported assumptions.

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STM32F103C6T7A

STM32F103C6T7A - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics

The STMicroelectronics STM32F103C6T7A is a 32-bit ARM Cortex-M3 RISC microcontroller operating at 72 MHz, with 32 KB of Flash memory, 10 KB of SRAM, and a 48-LQFP 7 x 7 mm package. It operates from a 2.5 V or 3.3 V supply and belongs to the STM32F103 low-density performance-line family. The combination of a 72 MHz Cortex-M3 core, compact 48-pin surface-mount package, and 32 KB embedded Flash makes the device suitable for compact embedded control, sensing, communications, and actuator-management systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripheral interfaces, and control logic on one IC. In the STM32 hierarchy, the STM32F103C6T7A is an ARM Cortex-M3 microcontroller, a 32-bit RISC controller within the STM32F1 family and the broader embedded microcontroller and semiconductor categories. Its low-density designation indicates a balance between processing capability, memory capacity, package size, and cost rather than the resources associated with the largest STM32F1 devices. The verified configuration provides a maximum core frequency of 72 MHz and 32 KB of Flash organized as 32K x 8. The device also includes 10 KB of SRAM. Its 48-LQFP package exposes 48 pins on a 7 x 7 mm body and is suitable for automated assembly and access to the family’s communication and control peripherals. The 2.5 V and 3.3 V operating options support conventional industrial and embedded system rails, while the manufacturer identifies the part as an ARM Cortex-M3 performance-line MCU. The STM32F103 architecture uses a 32-bit ARM Cortex-M3 RISC core. Compared with an 8-bit microcontroller, the 32-bit instruction set and 72 MHz operating point provide greater arithmetic and control throughput for protocols, state machines, and real-time tasks. Memory remains the principal system constraint: the 32 KB Flash footprint can hold the application firmware, while the 10 KB SRAM provides working memory for stacks, buffers, and control data. Typical uses include industrial sensor nodes, compact motor-control and actuator boards, embedded communication equipment, measurement instruments, and general-purpose industrial control modules. The 48-pin LQFP provides more exposed connections than a small-outline package while retaining a manageable board area. These applications must be reviewed against the manufacturer datasheet for the exact peripheral mix, pin multiplexing, clock configuration, electrical limits, and startup requirements. A primary design consideration is firmware and ecosystem continuity. Designs should reserve the required programming and debug connections, validate all 48 pin assignments against the datasheet, and confirm that the 32 KB Flash and 10 KB SRAM budgets remain adequate. Because the exact peripheral and pin functions are not included in the supplied verified excerpts, they must not be inferred from other STM32F103 members. This page consolidates the verified manufacturer and distributor identity, memory and clock data, package information, pricing, drop-in sourcing considerations, and application guidance into a focused engineering record. It also distinguishes directly supported specifications from information that still requires confirmation from the manufacturer datasheet.

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STM32F103C6T7ATR

STM32F103C6T7ATR - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F103C6T7ATR is a 32-bit ARM Cortex-M3 RISC microcontroller operating at 72 MHz, with 32 KB of Flash memory, 10 KB of SRAM, and a 48-LQFP 7 x 7 mm package. It operates from a 2.5 V or 3.3 V supply and belongs to the STM32F103 low-density performance-line family. The combination of a 72 MHz Cortex-M3 core, compact 48-pin surface-mount package, and 32 KB embedded Flash makes the device suitable for compact embedded control, sensing, communications, and actuator-management systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripheral interfaces, and control logic on one IC. In the STM32 hierarchy, the STM32F103C6T7ATR is an ARM Cortex-M3 microcontroller, a 32-bit RISC controller within the STM32F1 family and the broader embedded microcontroller and semiconductor categories. Its low-density designation indicates a balance between processing capability, memory capacity, package size, and cost rather than the resources associated with the largest STM32F1 devices. The verified configuration provides a maximum core frequency of 72 MHz and 32 KB of Flash organized as 32K x 8. The device also includes 10 KB of SRAM. Its 48-LQFP package exposes 48 pins on a 7 x 7 mm body and is suitable for automated assembly and access to the family’s communication and control peripherals. The 2.5 V and 3.3 V operating options support conventional industrial and embedded system rails, while the manufacturer identifies the part as an ARM Cortex-M3 performance-line MCU. The STM32F103 architecture uses a 32-bit ARM Cortex-M3 RISC core. Compared with an 8-bit microcontroller, the 32-bit instruction set and 72 MHz operating point provide greater arithmetic and control throughput for protocols, state machines, and real-time tasks. Memory remains the principal system constraint: the 32 KB Flash footprint can hold the application firmware, while the 10 KB SRAM provides working memory for stacks, buffers, and control data. Typical uses include industrial sensor nodes, compact motor-control and actuator boards, embedded communication equipment, measurement instruments, and general-purpose industrial control modules. The 48-pin LQFP provides more exposed connections than a small-outline package while retaining a manageable board area. These applications must be reviewed against the manufacturer datasheet for the exact peripheral mix, pin multiplexing, clock configuration, electrical limits, and startup requirements. A primary design consideration is firmware and ecosystem continuity. Designs should reserve the required programming and debug connections, validate all 48 pin assignments against the datasheet, and confirm that the 32 KB Flash and 10 KB SRAM budgets remain adequate. Because the exact peripheral and pin functions are not included in the supplied verified excerpts, they must not be inferred from other STM32F103 members. This page consolidates the verified manufacturer and distributor identity, memory and clock data, package information, pricing, drop-in sourcing considerations, and application guidance into a focused engineering record. It also distinguishes directly supported specifications from information that still requires confirmation from the manufacturer datasheet.

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STM32F103C6U6A

STM32F103C6U6A - 72MHz Cortex-M3 MCU | STMicroelectronics

STMicroelectronics STM32F103C6U6A is a 32-bit ARM Cortex-M3 microcontroller operating at up to 72 MHz, with 32 KB of embedded Flash memory in a 48-pin VFQFPN package with exposed pad. The device belongs to the STM32F103 low-density performance line and combines a 2.5 V/3.3 V operating supply with USB, CAN, ADC, timer, and serial-interface resources for compact embedded systems. A microcontroller is an integrated circuit containing a processor core, memory, and programmable peripherals on one semiconductor die. Within the product hierarchy, the STM32F103C6U6A is a Cortex-M3 microcontroller, part of the ARM-based STM32 family, and falls within the broader embedded semiconductor category. Its low-density configuration is intended for control-intensive products that need more processing capability than an 8-bit MCU without moving to a higher-pin-count STM32 device. Key features include a maximum 72 MHz core frequency, 32 KB Flash, 37 I/O ports, two 12-bit ADCs, USB, CAN, six timers, and six communication interfaces. According to the STMicroelectronics STM32F103x4 and STM32F103x6 family documentation, the Cortex-M3 core provides 1.25 DMIPS/MHz. These resources support motor and industrial control, communications gateways, USB peripherals, sensor acquisition, and compact consumer equipment. The STM32F103C6U6A architecture combines a 32-bit RISC processor with dedicated peripheral blocks for analog measurement, serial communications, timing, and control. Its performance-line positioning provides substantially more processing throughput than simple 8-bit microcontrollers, while the 48-pin VFQFPN format supports compact PCB layouts. The exposed pad provides an additional thermal and electrical connection to the board when the package is assembled correctly. Typical applications include USB-connected data loggers, CAN-based industrial nodes, sensor interface controllers, motor-control auxiliaries, communication equipment, and compact embedded control modules. Designers should confirm the exact peripheral mix, clock configuration, pin multiplexing, and exposed-pad layout against the official datasheet before releasing a PCB or transferring firmware. The principal design consideration is ensuring that the 2.5 V/3.3 V supply remains within the device limits while high-speed peripherals and analog circuitry are active. Place the required decoupling capacitors close to the power and ground pins, keep sensitive analog routing away from fast switching nodes, and connect the exposed thermal pad using the manufacturer-recommended land pattern and assembly process. This page consolidates verified manufacturer and distributor information, a structured comparison with candidate replacements, and practical design guidance. It is intended to help engineers identify whether the STM32F103C6U6A matches their memory, clock, package, peripheral, and sourcing requirements without treating merely similar microcontrollers as automatic drop-in replacements.

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STM32F103C8T6

STM32F103C8T6 - 32-bit ARM Cortex-M3 MCU, 64KB Flash | STMicroelectronics

The STM32F103C8T6 is a 32-bit ARM Cortex-M3 microcontroller from STMicroelectronics, featuring 64KB Flash, 20KB SRAM, and operating at up to 72 MHz. It includes multiple communication interfaces (USART, SPI, I2C, USB, CAN) and 12-bit ADCs, making it suitable for industrial control, motor drives, and IoT applications. Available in LQFP-48 package.

USD $1.02 在庫あり

STM32F103C8T6

STM32F103C8T6 - 72MHz Cortex-M3 MCU, 64KB Flash, LQFP-48 | STMicroelectronics

The STMicroelectronics STM32F103C8T6 is a 32-bit ARM Cortex-M3 medium-density performance-line microcontroller operating at up to 72 MHz, with 64 KB Flash and 20 KB SRAM, housed in a 48-pin LQFP package (7x7 mm). An ARM Cortex-M3 microcontroller (MCU) is a 32-bit RISC processor core designed by Arm Holdings for embedded applications requiring deterministic real-time performance at low power. The Cortex-M3 sits at the lower end of the Cortex-M family (above Cortex-M0/M0+ and below Cortex-M4/M7), and microcontrollers in this category combine the processor core with on-chip memory, peripherals, and analog blocks into a single system-on-chip. The STM32F103 family specifically belongs to the broader hierarchy: ARM Cortex-M3 -> 32-bit MCU -> STM32F1 series -> STM32 mainstream family -> STMicroelectronics microcontrollers -> semiconductor. This hierarchy matters because it determines the toolchain (Arm Cortex-M3 supports the standard Arm Keil, IAR, GCC, and STM32CubeIDE flows) and the peripheral programming model used across the STM32 platform. Key features include 64 KB of embedded Flash with read-while-write capability, 20 KB of SRAM, a 2.0 V to 3.6 V supply range, an 8 MHz internal RC oscillator with PLL multiplier to 72 MHz, two 12-bit ADCs (1 µs conversion, up to 16 channels), seven 16-bit timers, and a full-speed USB 2.0 Full-Speed device/host/OTG controller. Communication peripherals include three USARTs, two SPIs (18 Mbit/s), two I2C buses (400 kHz), one CAN 2.0B interface, and one USB Full-Speed port. The 48-pin LQFP package exposes 37 GPIO pins tolerant to 5 V. Architecturally, the Cortex-M3 core delivers 1.25 Dhrystone MIPS per MHz, supports the Thumb-2 instruction set, and includes a Nested Vectored Interrupt Controller (NVIC) with configurable priority and hardware stack handling. The integrated voltage regulator and brown-out reset (BOR) simplify power design, while the 4-byte backup register with a tamper-detection pin supports battery-backed RTC modes. Typical applications include industrial control boards, motor drives (BLDC/PMSM FOC complements), USB HID/COM port devices, CAN-bus node interfaces, and low-cost development platforms such as the well-known "Blue Pill" board. When designing with this device, place a 100 nF ceramic decoupling capacitor as close as possible to each VDD/VDDA pin pair, and reserve the NRST pin connection for a 10 kΩ pull-up and optional reset button. Ensure the BOOT0 pin state matches the desired boot memory on every power-up. This page synthesizes distributor pricing, drop-in alternatives (same-brand STM32F103 variants first, then cross-brand pin-compatible parts), and practical design notes not found in the manufacturer datasheet.

USD $1.68 在庫あり

STM32F103C8T6TR

STM32F103C8T6TR - 72MHz Cortex-M3 MCU, 64KB Flash, LQFP-48 | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F103C8T6TR is a 32-bit ARM Cortex-M3 medium-density performance-line microcontroller operating at up to 72 MHz, with 64 KB Flash and 20 KB SRAM, housed in a 48-pin LQFP package (7x7 mm). An ARM Cortex-M3 microcontroller (MCU) is a 32-bit RISC processor core designed by Arm Holdings for embedded applications requiring deterministic real-time performance at low power. The Cortex-M3 sits at the lower end of the Cortex-M family (above Cortex-M0/M0+ and below Cortex-M4/M7), and microcontrollers in this category combine the processor core with on-chip memory, peripherals, and analog blocks into a single system-on-chip. The STM32F103 family specifically belongs to the broader hierarchy: ARM Cortex-M3 -> 32-bit MCU -> STM32F1 series -> STM32 mainstream family -> STMicroelectronics microcontrollers -> semiconductor. This hierarchy matters because it determines the toolchain (Arm Cortex-M3 supports the standard Arm Keil, IAR, GCC, and STM32CubeIDE flows) and the peripheral programming model used across the STM32 platform. Key features include 64 KB of embedded Flash with read-while-write capability, 20 KB of SRAM, a 2.0 V to 3.6 V supply range, an 8 MHz internal RC oscillator with PLL multiplier to 72 MHz, two 12-bit ADCs (1 µs conversion, up to 16 channels), seven 16-bit timers, and a full-speed USB 2.0 Full-Speed device/host/OTG controller. Communication peripherals include three USARTs, two SPIs (18 Mbit/s), two I2C buses (400 kHz), one CAN 2.0B interface, and one USB Full-Speed port. The 48-pin LQFP package exposes 37 GPIO pins tolerant to 5 V. Architecturally, the Cortex-M3 core delivers 1.25 Dhrystone MIPS per MHz, supports the Thumb-2 instruction set, and includes a Nested Vectored Interrupt Controller (NVIC) with configurable priority and hardware stack handling. The integrated voltage regulator and brown-out reset (BOR) simplify power design, while the 4-byte backup register with a tamper-detection pin supports battery-backed RTC modes. Typical applications include industrial control boards, motor drives (BLDC/PMSM FOC complements), USB HID/COM port devices, CAN-bus node interfaces, and low-cost development platforms such as the well-known "Blue Pill" board. When designing with this device, place a 100 nF ceramic decoupling capacitor as close as possible to each VDD/VDDA pin pair, and reserve the NRST pin connection for a 10 kΩ pull-up and optional reset button. Ensure the BOOT0 pin state matches the desired boot memory on every power-up. This page synthesizes distributor pricing, drop-in alternatives (same-brand STM32F103 variants first, then cross-brand pin-compatible parts), and practical design notes not found in the manufacturer datasheet.

USD $1.68 在庫あり

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製品 (39,000+)

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STM32F103C6T6A - 72MHz Cortex-M3 32KB MCU | STMicroelectronics

STM32F103C6T6ATR - 72MHz Cortex-M3 32KB MCU | STMicroelectronics (Tape & Reel)

STM32F103C6T7A - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics

STM32F103C6T7ATR - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics (Tape & Reel)

STM32F103C6U6A - 72MHz Cortex-M3 MCU | STMicroelectronics

STM32F103C8T6 - 32-bit ARM Cortex-M3 MCU, 64KB Flash | STMicroelectronics

STM32F103C8T6 - 72MHz Cortex-M3 MCU, 64KB Flash, LQFP-48 | STMicroelectronics

STM32F103C8T6TR - 72MHz Cortex-M3 MCU, 64KB Flash, LQFP-48 | STMicroelectronics (Tape & Reel)