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STM32F103RBT6 - 72MHz Cortex-M3 MCU 128KB Flash | ST
STM32F103RBT6

STM32F103RBT6 - 72MHz Cortex-M3 MCU 128KB Flash | ST

The STMicroelectronics STM32F103RBT6 is a 32-bit ARM Cortex-M3 microcontroller operating at 72 MHz, integrating 128 KB of single-bank Flash and 20 KB of SRAM in a 64-pin LQFP surface-mount package. It belongs to the ST medium-density STM32F1 performance line and is one of the most widely deployed Cortex-M3 MCUs in industrial control and communication modules. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one device, forming the lowest layer of the embedded-system hierarchy: MCU -> microcontroller -> embedded processor -> system-on-chip. The ARM Cortex-M3 is a 32-bit RISC processor core optimized for cost-sensitive and power-conscious embedded control. The STM32F103 family was one of the first mainstream Cortex-M families adopted at scale across industrial electronics, in large part because of its rich peripheral set and pin compatibility across Flash derivatives. Key features include the 72 MHz Cortex-M3 core delivering 1.25 DMIPS/MHz, 128 KB on-chip Flash, 20 KB SRAM, a 2.0 V to 3.6 V supply range with a 3.3 V operating point, two 12-bit ADCs with up to 1 microsecond conversion time and up to 16 input channels, two I2C, two SPI, three USART, one USB 2.0 full-speed interface, one CAN 2.0B active controller, and seven 16-bit timers including PWM-capable channels. An 8 MHz high-speed internal RC oscillator and support for an external 4 to 16 MHz crystal allow flexible clocking without external components. Architecturally, the device uses an ARMv7-M Harvard structure with a three-stage pipeline and a Nested Vectored Interrupt Controller (NVIC) for low-latency interrupt response. An AHB/APB bus matrix allows peripheral DMA and core execution to proceed concurrently, while a Flash interface with prefetch buffer minimizes stalls when the 72 MHz core fetches instructions from Flash. Typical applications include industrial control nodes, motor-control auxiliary boards, USB and CAN communication modules, low-cost development platforms, and legacy 8-bit/16-bit MCU upgrades where the ARM tool ecosystem reduces software cost. Designers also use this device in smart-metering peripherals and low-cost HMIs. Design consideration: pin compatibility across the STM32F1 family means Flash upgrades from 128 KB to 256 KB (e.g., STM32F103RCT6) require no PCB change, but verify RAM sizing, peripheral count, and the 72 MHz maximum frequency when porting between derivative families. This page synthesizes distributor pricing, verified drop-in alternatives including the GD32F103RBT6 cross-brand P2P candidate and STM32F103RCT6 same-family upgrade, plus practical design notes not found in the manufacturer datasheet.

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STM32F103RBT6TR - 72MHz Cortex-M3, 128KB Flash MCU | STMicroelectronics
STM32F103RBT6TR

STM32F103RBT6TR - 72MHz Cortex-M3, 128KB Flash MCU | STMicroelectronics

The STMicroelectronics STM32F103RBT6TR is a 32-bit ARM Cortex-M3 microcontroller running at 72 MHz (90 DMIPS, 1.25 DMIPS/MHz) with 128 KB Flash and 20 KB SRAM, housed in a 64-pin LQFP surface-mount package (Tape & Reel packaged, indicated by the TR suffix). A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripheral interfaces on one die. Within the embedded-systems hierarchy, the STM32F103RBT6TR belongs to the medium-density performance line of the STM32F1 family: MCU -> 32-bit MCU -> ARM Cortex-M3 MCU -> STM32F1 series -> STM32F103 medium-density performance line. Key features include two 12-bit ADCs with up to 10 external channels and 1 us conversion time, seven 16-bit timers, and nine communication interfaces: two I2C, three USARTs, two SPIs, a full-speed USB 2.0 device controller, and a CAN 2.0B controller. A 7-channel DMA controller offloads data transfers, and a nested vectored interrupt controller (NVIC) with 60 maskable interrupt vectors enables deterministic real-time response. The core supports single-cycle hardware multiply and division for efficient signal processing. Technically, the device operates from a 2.0 V to 3.6 V supply with dedicated VDDA/VSSA analog pins that isolate the ADC and PLL from digital supply noise. Power modes include Sleep, Stop, and Standby with wake-up in microseconds; typical run consumption is low enough for battery-powered designs. Flash supports 10,000 write cycles with embedded erase/write controllers, and true read-while-write operation permits EEPROM emulation. Typical applications include industrial control and PLC I/O modules, motor control and inverter boards using the advanced TIM1 timer, USB and CAN field devices, medical handheld instruments, and consumer appliances. Design consideration: keep VDDA well-decoupled (10 nF plus 1 uF) and provide a clean 3.3 V rail with 100 nF on every VDD pin pair; BOOT0 must be strapped to ground for flash boot. This page adds value beyond the datasheet by synthesizing distributor pricing, verified pin-compatible alternatives such as GigaDevice GD32F103, and practical design notes for second-sourcing and migration.

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STM32F103RBT7 - 72MHz Cortex-M3 128KB MCU | STMicroelectronics
STM32F103RBT7

STM32F103RBT7 - 72MHz Cortex-M3 128KB MCU | STMicroelectronics

The STMicroelectronics STM32F103RBT7 is a 32-bit Arm Cortex-M3 microcontroller operating at 72 MHz, with 128 KB of Flash memory, USB, CAN, seven timers, two ADCs, and nine communication interfaces, packaged in a 64-LQFP 10 x 10 mm package. A microcontroller is a programmable embedded-system component that combines a processor core, memory, peripherals, and communication interfaces on one semiconductor device. The STM32F103 belongs to STMicroelectronics’ medium-density performance line and is used to control motors, industrial equipment, communications, sensors, and consumer products. Its Cortex-M3 architecture provides a 32-bit RISC platform while retaining low system complexity for embedded designs. The verified product information identifies a maximum operating frequency of 72 MHz, 128 KB Flash memory, USB, CAN, seven 16-bit timers, two ADCs, and nine communication interfaces. These peripherals support applications requiring analog measurement, timing, serial communications, motor-control feedback, USB connectivity, or CAN-based distributed control. The 64-LQFP package provides a conventional surface-mount footprint suitable for automated PCB assembly. The STM32F103RBT7 is positioned for designs that need more processing performance and peripheral integration than a basic 8-bit or low-density microcontroller, while remaining within the STM32F103 family ecosystem. Its USB and CAN interfaces make it useful for connected embedded equipment, and its dual ADC capability supports analog sensor acquisition. The exact RAM size, supply-voltage limits, pin assignments, and detailed electrical characteristics are not included in the supplied verified data and must be confirmed in the manufacturer datasheet. Typical implementations include industrial motor controllers, USB-connected data-acquisition devices, CAN network nodes, instrumentation, communications equipment, and compact control platforms. Designers should preserve the package footprint, verify every alternate-function pin, confirm memory-map and peripheral compatibility, and review the official STM32F103RB documentation before transferring firmware between MCU variants. A key sourcing consideration is that an electrically similar MCU may not be a true drop-in replacement. Package dimensions, pin multiplexing, peripheral behavior, clock requirements, memory organization, firmware support, and lifecycle expectations must all be checked. This page distinguishes verified product facts from unresolved specifications and avoids inventing values that were not present in the supplied data.

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STM32F103RBT7TR - 72MHz Cortex-M3 128KB MCU | STMicroelectronics (Tape & Reel)
STM32F103RBT7TR

STM32F103RBT7TR - 72MHz Cortex-M3 128KB MCU | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F103RBT7TR is a 32-bit Arm Cortex-M3 microcontroller operating at 72 MHz, with 128 KB of Flash memory, USB, CAN, seven timers, two ADCs, and nine communication interfaces, packaged in a 64-LQFP 10 x 10 mm package. A microcontroller is a programmable embedded-system component that combines a processor core, memory, peripherals, and communication interfaces on one semiconductor device. The STM32F103 belongs to STMicroelectronics’ medium-density performance line and is used to control motors, industrial equipment, communications, sensors, and consumer products. Its Cortex-M3 architecture provides a 32-bit RISC platform while retaining low system complexity for embedded designs. The verified product information identifies a maximum operating frequency of 72 MHz, 128 KB Flash memory, USB, CAN, seven 16-bit timers, two ADCs, and nine communication interfaces. These peripherals support applications requiring analog measurement, timing, serial communications, motor-control feedback, USB connectivity, or CAN-based distributed control. The 64-LQFP package provides a conventional surface-mount footprint suitable for automated PCB assembly. The STM32F103RBT7TR is positioned for designs that need more processing performance and peripheral integration than a basic 8-bit or low-density microcontroller, while remaining within the STM32F103 family ecosystem. Its USB and CAN interfaces make it useful for connected embedded equipment, and its dual ADC capability supports analog sensor acquisition. The exact RAM size, supply-voltage limits, pin assignments, and detailed electrical characteristics are not included in the supplied verified data and must be confirmed in the manufacturer datasheet. Typical implementations include industrial motor controllers, USB-connected data-acquisition devices, CAN network nodes, instrumentation, communications equipment, and compact control platforms. Designers should preserve the package footprint, verify every alternate-function pin, confirm memory-map and peripheral compatibility, and review the official STM32F103RB documentation before transferring firmware between MCU variants. A key sourcing consideration is that an electrically similar MCU may not be a true drop-in replacement. Package dimensions, pin multiplexing, peripheral behavior, clock requirements, memory organization, firmware support, and lifecycle expectations must all be checked. This page distinguishes verified product facts from unresolved specifications and avoids inventing values that were not present in the supplied data.

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STM32F103RCT6 - 72MHz Cortex-M3 MCU, 256KB Flash | ST
STM32F103RCT6

STM32F103RCT6 - 72MHz Cortex-M3 MCU, 256KB Flash | ST

The STMicroelectronics STM32F103RCT6 is a high-density performance line ARM Cortex-M3 32-bit microcontroller operating at up to 72MHz with 256KB of Flash memory and 48KB of SRAM, housed in an LQFP64 (10x10 mm) surface-mount package with 51 GPIO pins. A microcontroller (MCU) is a compact integrated circuit that combines a processor core, memory, and programmable peripherals on a single chip, forming the central control element of embedded systems. The STM32F103RCT6 sits within the STM32 family hierarchy: STM32F1 series -> STM32 MCU portfolio -> ARM Cortex-M based microcontrollers -> semiconductor ICs. The Cortex-M3 core, with its nested vectored interrupt controller (NVIC) and memory protection unit (MPU), delivers deterministic real-time performance at 1.25 DMIPS/MHz. Key features include a wide 2.0V to 3.6V supply range, -40C to +85C industrial temperature operation, Sleep/Stop/Standby low-power modes, a real-time clock (RTC), multiple PWM-capable timers, and 5V-tolerant GPIOs. The 256KB high-density Flash accommodates complex firmware such as RTOS-based applications, while rich peripheral integration reduces external BOM cost and board area. Architecturally, the device uses an AMBA AHB/APB bus matrix connecting the 72MHz core to SRAM and peripherals, with single-cycle hardware multiply for efficient control-loop mathematics. Three 12-bit ADCs run at up to 1 MSPS (2 MSPS in interleaved dual mode), and two 12-bit DACs support analog output. Connectivity includes USB 2.0 Full Speed, CAN 2.0B, three USARTs, SPI, and I2C interfaces. Typical applications include industrial motor control, PLCs, medical devices, IoT gateways, USB/CAN communication bridges, and HMI panels. Design tip: decouple every VDD pin with 100nF close to the pin plus a 4.7uF bulk capacitor, filter VDDA through a ferrite bead, and strap BOOT0 correctly for the intended boot mode. This page synthesizes distributor pricing, drop-in alternatives including the GigaDevice GD32F103RCT6, pinout guidance, and practical design notes not found in the manufacturer datasheet.

USD $1.64 במלאי
STM32F103RCT6TR - 72MHz Cortex-M3 MCU, 256KB Flash | ST (Tape & Reel)
STM32F103RCT6TR

STM32F103RCT6TR - 72MHz Cortex-M3 MCU, 256KB Flash | ST (Tape & Reel)

The STMicroelectronics STM32F103RCT6TR is a high-density performance line ARM Cortex-M3 32-bit microcontroller operating at up to 72MHz with 256KB of Flash memory and 48KB of SRAM, housed in an LQFP64 (10x10 mm) surface-mount package with 51 GPIO pins. A microcontroller (MCU) is a compact integrated circuit that combines a processor core, memory, and programmable peripherals on a single chip, forming the central control element of embedded systems. The STM32F103RCT6TR sits within the STM32 family hierarchy: STM32F1 series -> STM32 MCU portfolio -> ARM Cortex-M based microcontrollers -> semiconductor ICs. The Cortex-M3 core, with its nested vectored interrupt controller (NVIC) and memory protection unit (MPU), delivers deterministic real-time performance at 1.25 DMIPS/MHz. Key features include a wide 2.0V to 3.6V supply range, -40C to +85C industrial temperature operation, Sleep/Stop/Standby low-power modes, a real-time clock (RTC), multiple PWM-capable timers, and 5V-tolerant GPIOs. The 256KB high-density Flash accommodates complex firmware such as RTOS-based applications, while rich peripheral integration reduces external BOM cost and board area. Architecturally, the device uses an AMBA AHB/APB bus matrix connecting the 72MHz core to SRAM and peripherals, with single-cycle hardware multiply for efficient control-loop mathematics. Three 12-bit ADCs run at up to 1 MSPS (2 MSPS in interleaved dual mode), and two 12-bit DACs support analog output. Connectivity includes USB 2.0 Full Speed, CAN 2.0B, three USARTs, SPI, and I2C interfaces. Typical applications include industrial motor control, PLCs, medical devices, IoT gateways, USB/CAN communication bridges, and HMI panels. Design tip: decouple every VDD pin with 100nF close to the pin plus a 4.7uF bulk capacitor, filter VDDA through a ferrite bead, and strap BOOT0 correctly for the intended boot mode. This page synthesizes distributor pricing, drop-in alternatives including the GigaDevice GD32F103RCT6, pinout guidance, and practical design notes not found in the manufacturer datasheet.

USD $1.64 במלאי
STM32F103RCT7 - 72MHz ARM Cortex-M3 MCU | STMicroelectronics
STM32F103RCT7

STM32F103RCT7 - 72MHz ARM Cortex-M3 MCU | STMicroelectronics

The STMicroelectronics STM32F103RCT7 is a 32-bit ARM Cortex-M3 microcontroller with a 72 MHz maximum clock frequency, 256 KB of Flash memory, and a 64-LQFP package measuring 10 mm by 10 mm. It belongs to STMicroelectronics' STM32F1 high-density performance line and combines an embedded MCU with USB and CAN connectivity for compact embedded control systems. The device operates from 2 V to 3.6 V according to the verified product data and provides 37 I/O ports for external peripherals and board-level interfaces. A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripheral interfaces, and I/O in one device. The STM32F103RCT7 is specifically an ARM Cortex-M3 MCU, a member of the ARM Cortex-M product family designed for embedded control. Within the device hierarchy, it is a microcontroller within the broader semiconductor category, with the STM32F1 series providing a practical platform for industrial controls, motor-control systems, communication equipment, and connected products. Key features include a 72 MHz Cortex-M3 core, 256 K × 8 Flash organization, 37 I/O ports, USB, CAN, and a 2 V to 3.6 V supply range. The 256 KB of embedded Flash supports firmware, boot code, configuration data, and application logic without requiring external program memory. Its 37 I/O pins provide parallel digital connectivity for sensors, actuators, displays, status indicators, and external communication transceivers. The device uses the high-performance 32-bit ARM Cortex-M3 RISC architecture rather than an 8-bit controller, allowing it to process control algorithms, protocol stacks, and human-machine-interface logic efficiently. The 64-LQFP package exposes a larger pin count than smaller MCU packages, supporting broad peripheral connectivity while remaining compatible with automated board assembly. Its 0.5 mm lead pitch and 10 mm × 10 mm body size balance routing density and inspection accessibility. Typical applications include industrial motor controllers, USB-connected data-acquisition equipment, CAN network nodes, USB-to-serial or protocol-conversion products, programmable logic controllers, and compact automation controllers. In each case, the combination of Cortex-M3 processing capability, embedded Flash, USB or CAN connectivity, and 37 I/O ports reduces the number of external devices required around the MCU. Designers should reserve clean supply paths, connect decoupling capacitors close to the power pins, and assign all 64 LQFP leads according to the manufacturer pinout before layout release. Firmware and peripheral assignments should be checked against the STM32F103 device documentation, especially when debugging, bootloader use, or USB and CAN functions are required. The 3.6 V maximum supply also requires careful protection from industrial transients and overvoltage conditions. This product record combines verified distributor specifications, lifecycle information, package details, and documented cross-reference options with practical design guidance. It helps engineers evaluate the STM32F103RCT7 against same-manufacture and cross-brand Cortex-M3 alternatives without overlooking firmware, clock, memory, or package validation requirements.

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STM32F103RCT7TR - 72MHz ARM Cortex-M3 MCU | STMicroelectronics (Tape & Reel)
STM32F103RCT7TR

STM32F103RCT7TR - 72MHz ARM Cortex-M3 MCU | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F103RCT7TR is a 32-bit ARM Cortex-M3 microcontroller with a 72 MHz maximum clock frequency, 256 KB of Flash memory, and a 64-LQFP package measuring 10 mm by 10 mm. It belongs to STMicroelectronics' STM32F1 high-density performance line and combines an embedded MCU with USB and CAN connectivity for compact embedded control systems. The device operates from 2 V to 3.6 V according to the verified product data and provides 37 I/O ports for external peripherals and board-level interfaces. A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripheral interfaces, and I/O in one device. The STM32F103RCT7TR is specifically an ARM Cortex-M3 MCU, a member of the ARM Cortex-M product family designed for embedded control. Within the device hierarchy, it is a microcontroller within the broader semiconductor category, with the STM32F1 series providing a practical platform for industrial controls, motor-control systems, communication equipment, and connected products. Key features include a 72 MHz Cortex-M3 core, 256 K × 8 Flash organization, 37 I/O ports, USB, CAN, and a 2 V to 3.6 V supply range. The 256 KB of embedded Flash supports firmware, boot code, configuration data, and application logic without requiring external program memory. Its 37 I/O pins provide parallel digital connectivity for sensors, actuators, displays, status indicators, and external communication transceivers. The device uses the high-performance 32-bit ARM Cortex-M3 RISC architecture rather than an 8-bit controller, allowing it to process control algorithms, protocol stacks, and human-machine-interface logic efficiently. The 64-LQFP package exposes a larger pin count than smaller MCU packages, supporting broad peripheral connectivity while remaining compatible with automated board assembly. Its 0.5 mm lead pitch and 10 mm × 10 mm body size balance routing density and inspection accessibility. Typical applications include industrial motor controllers, USB-connected data-acquisition equipment, CAN network nodes, USB-to-serial or protocol-conversion products, programmable logic controllers, and compact automation controllers. In each case, the combination of Cortex-M3 processing capability, embedded Flash, USB or CAN connectivity, and 37 I/O ports reduces the number of external devices required around the MCU. Designers should reserve clean supply paths, connect decoupling capacitors close to the power pins, and assign all 64 LQFP leads according to the manufacturer pinout before layout release. Firmware and peripheral assignments should be checked against the STM32F103 device documentation, especially when debugging, bootloader use, or USB and CAN functions are required. The 3.6 V maximum supply also requires careful protection from industrial transients and overvoltage conditions. This product record combines verified distributor specifications, lifecycle information, package details, and documented cross-reference options with practical design guidance. It helps engineers evaluate the STM32F103RCT7TR against same-manufacture and cross-brand Cortex-M3 alternatives without overlooking firmware, clock, memory, or package validation requirements.

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STM32F103RDT6 - 384KB Flash Cortex-M3 MCU 64-LQFP | STMicroelectronics
STM32F103RDT6

STM32F103RDT6 - 384KB Flash Cortex-M3 MCU 64-LQFP | STMicroelectronics

The STMicroelectronics STM32F103RDT6 is a 32-bit ARM Cortex-M3 microcontroller in the high-density STM32F1 performance line, operating at up to 72 MHz with 384 KB of embedded Flash and 64 KB of SRAM, housed in a 64-pin LQFP (10x10 mm) package. It integrates USB 2.0 Full-Speed, CAN 2.0B, two I2C, three USART plus two UART, two SPI, and one I2S interface, giving engineers 11 timers, 3 ADCs (12-bit, 1 us), 2 DACs (12-bit), and 51 GPIO pins for mixed-signal motor control and industrial networking designs. Background: An ARM Cortex-M3 microcontroller is a 32-bit RISC core with Thumb-2 instruction set, hardware divide, NVIC interrupt controller, and tightly coupled memory interfaces, designed for deterministic real-time embedded control. Within the broader taxonomy, the Cortex-M3 belongs to the ARM Cortex-M family -> 32-bit RISC microcontrollers -> embedded microcontrollers -> microprocessors -> semiconductors. The STM32F1 series is ST's mainstream Cortex-M3 line spanning low-, medium-, high-, and XL-density sub-families with progressively richer peripheral sets. Key specifications include a 2.0-3.6 V single supply range, 4-16 MHz crystal driver with internal 8 MHz RC and 40 kHz LSI for RTC, 12-bit ADC with up to 16 channels, two 12-bit DACs, an FS USB PHY, and a CAN 2.0B controller. The device also features a 7-channel DMA, an SDIO interface for SD/MMC cards, and a CRC engine for embedded communication stacks. Performance is rated up to 90 DMIPS at 72 MHz, with single-cycle multiply and hardware divide. Architecturally, the STM32F103RDT6 uses a multi-AHB bus matrix connecting the Cortex-M3 core, DMA engines, and on-chip peripherals, allowing simultaneous memory and peripheral access without contention. Standard peripherals include three general-purpose 16-bit timers, one PWM timer for motor control, two watchdog timers (independent and window), and a SysTick timer. Embedded Flash is zero-wait state up to 24 MHz; above that, a prefetch buffer maintains 72 MHz operation without software wait states. Typical applications include three-phase motor drives (BLDC, PMSM, induction), industrial control PLCs, USB-CAN bridges, HVAC controllers, low-cost data loggers, biometric instrumentation, and handheld POS equipment. The combination of CAN, USB, and 12-bit ADC resolution in a 64-LQFP package makes the STM32F103RDT6 especially common in automotive aftermarket and 24 V industrial designs where USB diagnostics and CAN fieldbus must coexist. Design consideration: At 72 MHz and 1.8 V core, idle current is roughly 27 mA; selecting sleep or stop modes with RTC wake-up can drop this to the tens-of-microamp range for battery-backed nodes. The 64-LQFP 10x10 mm footprint with 0.5 mm pitch can be hand-soldered, but a 4-layer PCB with continuous ground pour under the exposed pad is recommended for stable ADC performance. This page synthesizes distributor inventory, drop-in alternatives including pin-compatible GD32F103RDT6, application-specific design notes, and verification cross-references not present on any single distributor or manufacturer page.

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STM32F103RDT6TR - 384KB Flash Cortex-M3 MCU 64-LQFP | STMicroelectronics (Tape & Reel)
STM32F103RDT6TR

STM32F103RDT6TR - 384KB Flash Cortex-M3 MCU 64-LQFP | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F103RDT6TR is a 32-bit ARM Cortex-M3 microcontroller in the high-density STM32F1 performance line, operating at up to 72 MHz with 384 KB of embedded Flash and 64 KB of SRAM, housed in a 64-pin LQFP (10x10 mm) package. It integrates USB 2.0 Full-Speed, CAN 2.0B, two I2C, three USART plus two UART, two SPI, and one I2S interface, giving engineers 11 timers, 3 ADCs (12-bit, 1 us), 2 DACs (12-bit), and 51 GPIO pins for mixed-signal motor control and industrial networking designs. Background: An ARM Cortex-M3 microcontroller is a 32-bit RISC core with Thumb-2 instruction set, hardware divide, NVIC interrupt controller, and tightly coupled memory interfaces, designed for deterministic real-time embedded control. Within the broader taxonomy, the Cortex-M3 belongs to the ARM Cortex-M family -> 32-bit RISC microcontrollers -> embedded microcontrollers -> microprocessors -> semiconductors. The STM32F1 series is ST's mainstream Cortex-M3 line spanning low-, medium-, high-, and XL-density sub-families with progressively richer peripheral sets. Key specifications include a 2.0-3.6 V single supply range, 4-16 MHz crystal driver with internal 8 MHz RC and 40 kHz LSI for RTC, 12-bit ADC with up to 16 channels, two 12-bit DACs, an FS USB PHY, and a CAN 2.0B controller. The device also features a 7-channel DMA, an SDIO interface for SD/MMC cards, and a CRC engine for embedded communication stacks. Performance is rated up to 90 DMIPS at 72 MHz, with single-cycle multiply and hardware divide. Architecturally, the STM32F103RDT6TR uses a multi-AHB bus matrix connecting the Cortex-M3 core, DMA engines, and on-chip peripherals, allowing simultaneous memory and peripheral access without contention. Standard peripherals include three general-purpose 16-bit timers, one PWM timer for motor control, two watchdog timers (independent and window), and a SysTick timer. Embedded Flash is zero-wait state up to 24 MHz; above that, a prefetch buffer maintains 72 MHz operation without software wait states. Typical applications include three-phase motor drives (BLDC, PMSM, induction), industrial control PLCs, USB-CAN bridges, HVAC controllers, low-cost data loggers, biometric instrumentation, and handheld POS equipment. The combination of CAN, USB, and 12-bit ADC resolution in a 64-LQFP package makes the STM32F103RDT6TR especially common in automotive aftermarket and 24 V industrial designs where USB diagnostics and CAN fieldbus must coexist. Design consideration: At 72 MHz and 1.8 V core, idle current is roughly 27 mA; selecting sleep or stop modes with RTC wake-up can drop this to the tens-of-microamp range for battery-backed nodes. The 64-LQFP 10x10 mm footprint with 0.5 mm pitch can be hand-soldered, but a 4-layer PCB with continuous ground pour under the exposed pad is recommended for stable ADC performance. This page synthesizes distributor inventory, drop-in alternatives including pin-compatible GD32F103RDT6, application-specific design notes, and verification cross-references not present on any single distributor or manufacturer page.

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STM32F103RET6 - 72MHz Cortex-M3, 512KB Flash MCU | STMicroelectronics
STM32F103RET6

STM32F103RET6 - 72MHz Cortex-M3, 512KB Flash MCU | STMicroelectronics

The STMicroelectronics STM32F103RET6 is a 32-bit ARM Cortex-M3 microcontroller running at up to 72 MHz, with 512 KB of Flash memory and 64 KB of SRAM, housed in a 64-pin LQFP package. The device operates from a 2.0V to 3.6V supply across an industrial -40C to +85C temperature range, exposing 51 general-purpose I/O pins and integrating three 12-bit ADCs, four general-purpose 16-bit timers plus two advanced PWM timers. What is an ARM Cortex-M3 microcontroller? An MCU (microcontroller unit) integrates a processor core, program memory, data memory, and programmable peripherals on a single die, enabling standalone embedded operation. The Cortex-M3 is a 32-bit RISC core within the ARM Cortex-M family (Cortex-M0, M3, M4, M7), widely adopted for industrial control, medical instruments, and consumer electronics because of its deterministic interrupt latency, nested vectored interrupt controller (NVIC), and rich peripheral ecosystem. Within STMicroelectronics' portfolio, the STM32F1 series sits in the general-purpose performance class between entry-level STM32F0 and mainstream STM32F4 devices. Key features of the STM32F103RET6 include 512 KB of Flash organized in 128-bit wide banks for fast code execution, 64 KB of SRAM, two I2C buses, three SPIs, two I2S, one SDIO, five USARTs, a USB 2.0 full-speed device interface, and a CAN 2.0B controller. The high-density Flash architecture supports both in-system programming (ISP) and in-application programming (IAP), and the JTAG/SWD debug interface enables serviceable designs in the field. Technically, the Cortex-M3 core uses a 3-stage pipeline with single-cycle multiply and hardware divide. The optional memory protection unit (MPU) and 7-channel DMA controller offload data movement from the CPU, while the 16-bit timers can be cascaded into complex PWM and quadrature encoder chains for motor and power conversion. Typical applications include motor drives and three-phase inverters, PLC I/O modules, medical devices such as blood-glucose meters, industrial communication gateways using CAN or USB, and consumer human-machine interface panels. When designing with this device, connect VDDA to a clean filtered analog supply and configure BOOT0 correctly at reset, because boot-mode selection directly affects programming and startup behavior. The HSE crystal range (4-16 MHz) and LSE 32.768 kHz crystal must be laid out following ST AN2586 PCB guidelines to avoid radio-frequency interference. This page synthesizes distributor availability, drop-in second sources such as GD32F103RET6, and practical design notes not found in the manufacturer datasheet, providing engineers a one-stop selection resource.

USD $2.21 במלאי
STM32F103RET6TR - 72MHz Cortex-M3, 512KB Flash MCU | STMicroelectronics (Tape & Reel)
STM32F103RET6TR

STM32F103RET6TR - 72MHz Cortex-M3, 512KB Flash MCU | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F103RET6TR is a 32-bit ARM Cortex-M3 microcontroller running at up to 72 MHz, with 512 KB of Flash memory and 64 KB of SRAM, housed in a 64-pin LQFP package. The device operates from a 2.0V to 3.6V supply across an industrial -40C to +85C temperature range, exposing 51 general-purpose I/O pins and integrating three 12-bit ADCs, four general-purpose 16-bit timers plus two advanced PWM timers. What is an ARM Cortex-M3 microcontroller? An MCU (microcontroller unit) integrates a processor core, program memory, data memory, and programmable peripherals on a single die, enabling standalone embedded operation. The Cortex-M3 is a 32-bit RISC core within the ARM Cortex-M family (Cortex-M0, M3, M4, M7), widely adopted for industrial control, medical instruments, and consumer electronics because of its deterministic interrupt latency, nested vectored interrupt controller (NVIC), and rich peripheral ecosystem. Within STMicroelectronics' portfolio, the STM32F1 series sits in the general-purpose performance class between entry-level STM32F0 and mainstream STM32F4 devices. Key features of the STM32F103RET6TR include 512 KB of Flash organized in 128-bit wide banks for fast code execution, 64 KB of SRAM, two I2C buses, three SPIs, two I2S, one SDIO, five USARTs, a USB 2.0 full-speed device interface, and a CAN 2.0B controller. The high-density Flash architecture supports both in-system programming (ISP) and in-application programming (IAP), and the JTAG/SWD debug interface enables serviceable designs in the field. Technically, the Cortex-M3 core uses a 3-stage pipeline with single-cycle multiply and hardware divide. The optional memory protection unit (MPU) and 7-channel DMA controller offload data movement from the CPU, while the 16-bit timers can be cascaded into complex PWM and quadrature encoder chains for motor and power conversion. Typical applications include motor drives and three-phase inverters, PLC I/O modules, medical devices such as blood-glucose meters, industrial communication gateways using CAN or USB, and consumer human-machine interface panels. When designing with this device, connect VDDA to a clean filtered analog supply and configure BOOT0 correctly at reset, because boot-mode selection directly affects programming and startup behavior. The HSE crystal range (4-16 MHz) and LSE 32.768 kHz crystal must be laid out following ST AN2586 PCB guidelines to avoid radio-frequency interference. This page synthesizes distributor availability, drop-in second sources such as GD32F103RET6, and practical design notes not found in the manufacturer datasheet, providing engineers a one-stop selection resource.

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STM32F103RET7 - 72MHz Cortex-M3 512KB MCU | STMicroelectronics
STM32F103RET7

STM32F103RET7 - 72MHz Cortex-M3 512KB MCU | STMicroelectronics

The STMicroelectronics STM32F103RET7 is an ARM Cortex-M3 32-bit microcontroller operating at 72 MHz, with 512 KB of Flash memory and a 64-LQFP package measuring 10 mm by 10 mm. It belongs to STMicroelectronics’ STM32F1 high-density performance line and integrates communication peripherals including USB, CAN, 11 timers, 3 ADCs, and 13 communication interfaces. These headline resources make it suitable for embedded control, motor-control, industrial communication, and data-acquisition systems requiring broad peripheral integration in a conventional surface-mount package. A microcontroller is an integrated circuit that executes firmware, reads inputs, controls outputs, and manages communication and timing functions. The STM32F103RET7 combines a 32-bit ARM Cortex-M3 processor with embedded Flash and SRAM resources, forming an MCU within the broader embedded-systems and semiconductor hierarchy. Its high peripheral count reduces the need for external interface chips while supporting multiple communication protocols and mixed-signal measurements. The verified product listing identifies a 72 MHz ARM Cortex-M3 core, 512 KB Flash organized as 512K by 8 bits, 64 pins, and a 10 mm by 10 mm LQFP package. The related manufacturer-description excerpt also identifies USB, CAN, 11 timers, 3 ADCs, and 13 communication interfaces. These features support applications that combine real-time control with serial networking, analog measurement, and programmable timing. Compared with simpler 8-bit or low-pin-count MCUs, the STM32F103RET7 offers substantially more processing capacity, memory, and peripheral connectivity while remaining in a 64-pin LQFP package. The 72 MHz Cortex-M3 architecture is suited to control loops, protocol stacks, and human-machine-interface logic. Its three ADC channels and communication interfaces can consolidate measurement and communications onto one controller, although final design suitability depends on electrical ratings and peripheral details not supplied in the verified data. Typical uses include industrial automation controllers, USB- or CAN-connected embedded equipment, motor-control subsystems, and multi-channel data-acquisition systems. Design teams should verify power-supply requirements, exact I/O ratings, memory organization, peripheral multiplexing, clock-tree settings, and package pin assignments against the official STMicroelectronics datasheet before schematic capture or PCB release. A key implementation consideration is that MCU replacement requires validation at firmware, electrical, timing, and peripheral levels. Pin compatibility alone does not guarantee identical behavior, especially when changing manufacturers or clock rates. This page combines verified distributor identity data, same-package alternative research, application guidance, and selection criteria rather than treating all functional equivalents as automatic drop-ins.

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STM32F103RFT6 - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics
STM32F103RFT6

STM32F103RFT6 - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics

The STMicroelectronics STM32F103RFT6 is a 32-bit ARM Cortex-M3 microcontroller operating at up to 72 MHz, with 768 KB of Flash memory, 96 KB of RAM, 51 I/O pins, and a 64-pin LQFP package measuring 10 mm by 10 mm. It is an XL-density performance-line STM32F1 series MCU designed for embedded systems requiring substantial memory, extensive connectivity, and multiple peripheral functions. An STM32F1 microcontroller is a 32-bit embedded-control component combining a processor core, program Flash, static RAM, GPIO, timers, analog converters, and communication interfaces. STM32F1 devices belong to the microcontroller hierarchy, where they sit between a general-purpose microprocessor and simpler fixed-function embedded controllers. The Cortex-M3 core uses a reduced-instruction architecture optimized for control workloads, interrupt handling, and real-time embedded applications. The supplied specifications identify the STM32F103RFT6 with 768 KB program Flash, 96 KB RAM, 51 I/O pins, a 72 MHz operating frequency, and a 64-LQFP package. The device also belongs to the STM32F103 XL-density family and is associated with USB, CAN, timers, ADCs, and communication interfaces. These features support designs requiring multiple serial peripherals, control-loop timing, data acquisition, and external connectivity rather than a simple GPIO-only control node. The STM32F103RFT6 is suitable for industrial automation, motor control, communications, USB-enabled embedded products, CAN-connected equipment, and general-purpose control boards. Its 51 available I/O pins provide connectivity for sensors, actuators, displays, memory, transceivers, and status indicators. The 768 KB Flash capacity offers room for a larger application, bootloader, protocol stack, or logging subsystem than lower-density STM32F1 variants, while 96 KB RAM supports buffered communications and control data. The 64-LQFP package is mechanically suited to leaded PCB assembly and provides a documented alternative to smaller fine-pitch packages when inspection, rework, or hand assembly matters. Designers should confirm the exact pinout, electrical limits, clock configuration, startup behavior, and peripheral assignments from the manufacturer datasheet before finalizing a board. STM32F103RFT6 is supplied in tray packaging according to the verified distributor data. This product page combines distributor specifications, manufacturer-related sourcing information, and engineering-oriented application guidance. It also records the verified availability of same-footprint alternatives without treating a pin-compatible candidate as automatically equivalent in firmware, timing, or analog behavior. The STM32F103RFT6 is therefore best understood as a high-memory STM32F1 MCU platform selected when its documented resources and package match the system requirements.

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STM32F103RFT6TR - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics (Tape & Reel)
STM32F103RFT6TR

STM32F103RFT6TR - 32-Bit 72MHz Cortex-M3 MCU | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F103RFT6TR is a 32-bit ARM Cortex-M3 microcontroller operating at up to 72 MHz, with 768 KB of Flash memory, 96 KB of RAM, 51 I/O pins, and a 64-pin LQFP package measuring 10 mm by 10 mm. It is an XL-density performance-line STM32F1 series MCU designed for embedded systems requiring substantial memory, extensive connectivity, and multiple peripheral functions. An STM32F1 microcontroller is a 32-bit embedded-control component combining a processor core, program Flash, static RAM, GPIO, timers, analog converters, and communication interfaces. STM32F1 devices belong to the microcontroller hierarchy, where they sit between a general-purpose microprocessor and simpler fixed-function embedded controllers. The Cortex-M3 core uses a reduced-instruction architecture optimized for control workloads, interrupt handling, and real-time embedded applications. The supplied specifications identify the STM32F103RFT6TR with 768 KB program Flash, 96 KB RAM, 51 I/O pins, a 72 MHz operating frequency, and a 64-LQFP package. The device also belongs to the STM32F103 XL-density family and is associated with USB, CAN, timers, ADCs, and communication interfaces. These features support designs requiring multiple serial peripherals, control-loop timing, data acquisition, and external connectivity rather than a simple GPIO-only control node. The STM32F103RFT6TR is suitable for industrial automation, motor control, communications, USB-enabled embedded products, CAN-connected equipment, and general-purpose control boards. Its 51 available I/O pins provide connectivity for sensors, actuators, displays, memory, transceivers, and status indicators. The 768 KB Flash capacity offers room for a larger application, bootloader, protocol stack, or logging subsystem than lower-density STM32F1 variants, while 96 KB RAM supports buffered communications and control data. The 64-LQFP package is mechanically suited to leaded PCB assembly and provides a documented alternative to smaller fine-pitch packages when inspection, rework, or hand assembly matters. Designers should confirm the exact pinout, electrical limits, clock configuration, startup behavior, and peripheral assignments from the manufacturer datasheet before finalizing a board. STM32F103RFT6TR is supplied in tray packaging according to the verified distributor data. This product page combines distributor specifications, manufacturer-related sourcing information, and engineering-oriented application guidance. It also records the verified availability of same-footprint alternatives without treating a pin-compatible candidate as automatically equivalent in firmware, timing, or analog behavior. The STM32F103RFT6TR is therefore best understood as a high-memory STM32F1 MCU platform selected when its documented resources and package match the system requirements.

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STM32F103RGT6 - 72MHz Cortex-M3 MCU 1MB Flash | STMicroelectronics
STM32F103RGT6

STM32F103RGT6 - 72MHz Cortex-M3 MCU 1MB Flash | STMicroelectronics

The STMicroelectronics STM32F103RGT6 is an XL-density performance line 32-bit microcontroller based on the ARM Cortex-M3 core running at up to 72 MHz (1.25 DMIPS/MHz), with 1 MB Flash memory and 96 KB SRAM, housed in a 64-pin LQFP (10x10 mm) package. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and programmable peripherals on one die, sitting within the broader hierarchy of semiconductor devices as an embedded processor within the system-on-chip and power management ecosystem. The STM32F1 series performance line targets cost-sensitive embedded control where the ARM Cortex-M3 architecture provides deterministic, single-cycle multiply and hardware division. Key features include 1 MB of embedded Flash for large application code, 96 KB of SRAM, 17 timers, 3x 12-bit ADCs, and 13 communication interfaces covering USB, CAN, USART, SPI, and I2C. The flexible static memory controller (FSMC) supports 4 chip selects and a parallel LCD interface in 8080/6800 modes. Architecturally, the Cortex-M3 core operates from a 2.0V to 3.6V supply with an embedded PLL generating the 72 MHz system clock. Interrupt latency is handled by the nested vectored interrupt controller, and the bus matrix enables parallel peripheral access for deterministic real-time behavior in motor control and communication workloads. Typical applications include industrial automation and motor control, USB and CAN-based communication modules, consumer appliances, and low-cost development platforms, where the large 1 MB Flash accommodates RTOS and communication stacks without external memory. Design consideration: the ADC performance is sensitive to VDDA quality, so provide separate analog supply filtering; also note Flash zero-wait-state behavior only up to 24 MHz, with wait states required at 72 MHz. This page synthesizes distributor pricing, verified drop-in alternatives such as GD32F103RGT6, and practical design notes not consolidated in the manufacturer datasheet.

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STM32F103RGT6TR - 72MHz Cortex-M3 MCU 1MB Flash | STMicroelectronics (Tape & Reel)
STM32F103RGT6TR

STM32F103RGT6TR - 72MHz Cortex-M3 MCU 1MB Flash | STMicroelectronics (Tape & Reel)

The STMicroelectronics STM32F103RGT6TR is an XL-density performance line 32-bit microcontroller based on the ARM Cortex-M3 core running at up to 72 MHz (1.25 DMIPS/MHz), with 1 MB Flash memory and 96 KB SRAM, housed in a 64-pin LQFP (10x10 mm) package. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and programmable peripherals on one die, sitting within the broader hierarchy of semiconductor devices as an embedded processor within the system-on-chip and power management ecosystem. The STM32F1 series performance line targets cost-sensitive embedded control where the ARM Cortex-M3 architecture provides deterministic, single-cycle multiply and hardware division. Key features include 1 MB of embedded Flash for large application code, 96 KB of SRAM, 17 timers, 3x 12-bit ADCs, and 13 communication interfaces covering USB, CAN, USART, SPI, and I2C. The flexible static memory controller (FSMC) supports 4 chip selects and a parallel LCD interface in 8080/6800 modes. Architecturally, the Cortex-M3 core operates from a 2.0V to 3.6V supply with an embedded PLL generating the 72 MHz system clock. Interrupt latency is handled by the nested vectored interrupt controller, and the bus matrix enables parallel peripheral access for deterministic real-time behavior in motor control and communication workloads. Typical applications include industrial automation and motor control, USB and CAN-based communication modules, consumer appliances, and low-cost development platforms, where the large 1 MB Flash accommodates RTOS and communication stacks without external memory. Design consideration: the ADC performance is sensitive to VDDA quality, so provide separate analog supply filtering; also note Flash zero-wait-state behavior only up to 24 MHz, with wait states required at 72 MHz. This page synthesizes distributor pricing, verified drop-in alternatives such as GD32F103RGT6, and practical design notes not consolidated in the manufacturer datasheet.

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STM32F103RGT7 - 72MHz Cortex-M3 1MB Flash MCU | ST
STM32F103RGT7

STM32F103RGT7 - 72MHz Cortex-M3 1MB Flash MCU | ST

STMicroelectronics STM32F103RGT7 is a 32-bit ARM Cortex-M3 RISC microcontroller operating at 72 MHz, with 1 MB Flash memory and up to 96 KB SRAM, housed in a 64-LQFP 10 x 10 mm package. It belongs to the STM32F1 performance-line family and is positioned for embedded control applications requiring high processing speed, substantial program memory, and extensive peripheral integration. The STM32F103 is a 32-bit microcontroller, or MCU, combining a RISC processor core with embedded Flash, SRAM, clocking, communications, timers, and GPIO resources. In the system hierarchy, an MCU is a semiconductor and embedded-control IC that executes firmware while directly controlling sensors, actuators, communications, and human-machine interfaces. The Cortex-M3 architecture provides a deterministic instruction environment suitable for real-time embedded control. Key verified features include operation up to 72 MHz, 1 MB of Flash memory, up to 96 KB SRAM, three 12-bit ADCs, three timers, and support for three APB buses. The high Flash capacity allows larger firmware images, protocol stacks, bootloader code, and application logic to be consolidated on one device. The 64-LQFP package also exposes a broad peripheral complement while remaining compatible with conventional leaded-board assembly and inspection. The STM32F103RGT7 combines a high-performance ARM Cortex-M3 core with memory and peripheral resources connected through two APB buses. Its XL-density designation is reflected in the 1 MB Flash configuration, making it more suitable than smaller-density devices for gateways, industrial controllers, data acquisition systems, and connected embedded products. The verified distributor description identifies the device as a 32-bit, 72 MHz Cortex-M3 MCU with 1M x 8 Flash. Typical applications include industrial automation, motor control, communications equipment, data acquisition, instrumentation, and embedded gateways. Three ADC channels support analog measurement, while multiple timers support timing, waveform generation, motor-control, and encoder-related functions. The large Flash and SRAM resources also support protocol conversion and supervisory firmware without requiring a separate external memory device. Designers should verify the exact peripheral pin mapping, clock configuration, operating voltage limits, and startup behavior against the manufacturer datasheet before layout release. Decoupling, oscillator stability, programming access, reset circuitry, and thermal performance remain PCB-level priorities. STM32F103RGT7 sourcing is supported by the ST product page, DigiKey, Mouser, LCSC, and ST eStore listings captured in the verified data. This product page consolidates verified distributor specifications, package information, sourcing links, and design guidance into a compact engineering reference. It does not invent electrical limits or pin functions that were absent from the supplied source data.

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STM32F103T6U6 - 72MHz Cortex-M3 32KB MCU | STMicroelectronics
STM32F103T6U6

STM32F103T6U6 - 72MHz Cortex-M3 32KB MCU | STMicroelectronics

The STMicroelectronics STM32F103T6U6 is a 32-bit ARM Cortex-M3 microcontroller operating up to 72 MHz, with 32 KB of Flash memory, 10 KB of SRAM, USB, CAN, and mixed-signal peripherals in an LQFP-48 package. It belongs to the low-density STM32F103 performance-line family and combines a 32-bit RISC core, 37 I/O ports, two ADCs, six timers, and six communication interfaces for compact embedded control systems. A microcontroller, or MCU, integrates a processor core, program memory, volatile data memory, and peripherals such as timers, serial interfaces, analog converters, and GPIO into one package. Within the semiconductor hierarchy, the STM32F103T6U6 is an embedded microcontroller, a Cortex-M processor-based system-on-chip, and a member of the broader power management and industrial-control component category. Its integrated design reduces external component count while providing deterministic control for motor, communications, and instrumentation applications. The verified device data identifies an ARM Cortex-M3 core with a maximum operating frequency of 72 MHz, 32 KB of Flash, 10 KB of SRAM, and six timers. Two 12-bit ADCs are included for analog measurement, while USB and CAN interfaces support direct connectivity and industrial network communication. The listed 2 V to 3.6 V supply range supports conventional embedded systems operating from regulated 2.5 V or 3.3 V rails. The STM32F103T6U6 is positioned as a low-density performance-line MCU rather than a high-pin-count Cortex-M4 device. This makes it appropriate for designs that need more control capability than a basic 8-bit or low-performance 32-bit MCU without paying for the memory and peripheral resources of a larger controller. Its six timers can support timing, PWM, input capture, encoder, and motor-control functions, while the communication interfaces reduce the need for separate protocol devices. Typical uses include USB-connected data acquisition, CAN-connected industrial controllers, compact motor-control boards, and low-cost embedded instruments. For CAN equipment, the controller is placed on the same board as a CAN transceiver; for USB equipment, it connects to a USB transceiver through the MCU’s internal USB controller. The ADC channels can monitor sensors, potentiometers, or analog process inputs where 12-bit resolution and conversion throughput are sufficient. PCB design should preserve clean supply distribution, ground continuity, analog-input routing, and exposed-pad or thermal-pad handling appropriate to the exact LQFP-48 land pattern. Firmware should also account for the difference between a 72 MHz maximum clock and lower operating frequencies during initialization, power management, and peripheral timing. This page consolidates verified source data, substitution limits, and engineering guidance rather than presenting unverified substitute parts as unconditional drop-ins.

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STM32F103T6U6A - 72MHz Cortex-M3 32KB MCU | STMicroelectronics
STM32F103T6U6A

STM32F103T6U6A - 72MHz Cortex-M3 32KB MCU | STMicroelectronics

The STMicroelectronics STM32F103T6U6A is a 32-bit ARM Cortex-M3 microcontroller operating at 72 MHz, with 32 KB of Flash memory, in a 36-pin VFQFPN package measuring 6 x 6 mm. The device is designed for embedded control applications requiring a compact surface-mount package, high-performance RISC processing, and embedded STM32F1-series integration. A microcontroller is a programmable semiconductor that combines a processor core, memory, peripherals, and communication interfaces on one integrated circuit. The STM32 family belongs to the embedded microcontroller hierarchy and supports industrial control, communications, motor-control, and consumer-product designs. Its Cortex-M3 core provides 32-bit instruction execution, while the integrated flash stores firmware and application code. The verified STM32F103T6U6A specifications identify a maximum clock frequency of 72 MHz, 32 KB of programmable Flash organized as 32K x 8, and a 36-pin VFQFPN package with dimensions of 6 x 6 mm. Arrow additionally identifies the supported supply condition as 2.5 V and 3.3 V. Its compact package is suitable for space-constrained control boards where a smaller alternative to larger 48-pin and 64-pin MCU packages is needed. The STM32F103 performance line combines an ARM Cortex-M3 core with embedded peripherals for real-time embedded systems. Because the verified distributor data confirms the core, clock, memory, package, and supply-condition information but does not expose the complete peripheral list, the exact peripheral configuration should be checked against the manufacturer datasheet before final PCB or firmware release. Firmware migration also requires attention to STM32 peripheral initialization, clock settings, and package-level pin assignments. Typical uses include industrial automation modules, motor-control controllers, CAN or RS-485 communication equipment, sensor-hub boards, and compact embedded instrumentation. The 72 MHz Cortex-M3 core supports responsive control tasks, while the 32 KB Flash capacity provides a practical code budget for focused applications rather than large graphical user interfaces or high-capacity firmware images. When designing around the STM32F103T6U6A, verify the exposed-pad connection, all 36 package pins, supported operating-temperature grade, decoupling requirements, and the exact peripheral mapping against the official STMicroelectronics product documentation. Production firmware should also be validated for the intended clock tree, communication baud rates, timing margins, and low-power behavior. This product data consolidates verified distributor specifications, official manufacturer references, drop-in ordering alternatives, pricing context, and practical engineering guidance. It adds selection and PCB-oriented context beyond the raw distributor listing while explicitly identifying information that still requires confirmation from the manufacturer datasheet.

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STM32F103T6U7A - 72MHz Cortex-M3 MCU | STMicroelectronics
STM32F103T6U7A

STM32F103T6U7A - 72MHz Cortex-M3 MCU | STMicroelectronics

STMicroelectronics STM32F103T6U7A is a 32-bit ARM Cortex-M3 microcontroller with a 72 MHz operating frequency, 32 KB of flash memory, and a 36-pin VFQFPN surface-mount package measuring 6 x 6 mm. It belongs to the STM32F1 performance-line family and combines a high-frequency RISC core with embedded Flash, SRAM, USB, CAN, timers, ADCs, and communication peripherals in one compact device. A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and interface circuitry into a single package. The STM32F103 product family sits within the broader embedded-control hierarchy of ARM Cortex-M3 devices, general-purpose microcontrollers, and integrated circuits. Its combination of 72 MHz processing, USB, CAN, and mixed-signal peripherals makes it suitable for control, communications, and data-acquisition equipment where a small package and broad peripheral integration are important. The supplied manufacturer and distributor information identifies the STM32F103T6U7A as a 72 MHz Cortex-M3 device with 32 KB flash, 37 I/O ports, USB, CAN, six timers, two ADCs, and six communication interfaces. A 2.0 V to 3.6 V supply range allows operation from standard low-voltage rails, while the 36-VFQFPN package supports compact surface-mount designs. These characteristics suit industrial controllers, USB-connected instruments, CAN nodes, and embedded automation products. The ARM Cortex-M3 core provides a 32-bit RISC architecture with an operating frequency of 72 MHz. The STM32F1 family also includes dedicated resources for USB and CAN communication, multiple timer channels, and two analog-to-digital converters, reducing the need for external peripheral components. The 37 reported I/O ports provide connectivity for sensors, actuators, human-interface controls, and communication transceivers, although engineers must confirm the exact exposed-pin allocation before finalizing a PCB. Typical STM32F103T6U7A applications include USB data acquisition, CAN-connected industrial equipment, motor and motion control, instrumentation, and compact embedded controllers. In a CAN node, the MCU can process sensor information and manage protocol traffic while timers provide timing functions. In a USB instrument, the integrated USB interface can reduce external connectivity requirements, while the two ADCs support analog measurement channels. A critical design consideration is PCB footprint validation. The verified distributor description identifies a 36-pin VFQFPN in a 6 x 6 mm format with an exposed pad, but the supplied data does not provide the complete numbered pin map or pad dimensions. Confirm the exact land pattern, exposed-pad geometry, pin names, and solder-mask requirements against the official STMicroelectronics package documentation before fabrication. This product record combines manufacturer positioning, distributor specifications, lifecycle information, package data, sourcing links, alternative-device guidance, and application-focused engineering notes. That synthesis adds practical context beyond a distributor listing while clearly distinguishing verified facts from parameters that still require confirmation from the manufacturer datasheet.

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STM32F103T8U6 - 72MHz Cortex-M3 64KB Flash MCU | ST
STM32F103T8U6

STM32F103T8U6 - 72MHz Cortex-M3 64KB Flash MCU | ST

The STMicroelectronics STM32F103T8U6 is a 32-bit ARM Cortex-M3 microcontroller running at up to 72 MHz with 64 KB of Flash memory, 20 KB of SRAM, and 26 GPIO, housed in a 36-pin VFQFPN (6x6 mm) package with exposed pad. A microcontroller unit (MCU) integrates a processor core, memory, and peripherals on a single die, sitting at the heart of the embedded-system hierarchy: MCU -> embedded controller -> electronic system. The STM32F1 family belongs to ST's medium-density performance line of ARM-based 32-bit MCUs, widely used where deterministic real-time control and low cost are required. Key features include 1.25 DMIPS/MHz Cortex-M3 performance at 0-wait-state memory access, single-cycle multiplication and hardware division, 64 KB embedded Flash, and rich connectivity: CAN 2.0B, I2C, SPI, UART/USART, USB 2.0 full-speed, and IrDA/LIN support. Peripheral set includes DMA, motor-control PWM timers, PDR/POR/PVD reset functions, watchdogs, and a temperature sensor. Architecturally, the Cortex-M3 core with its nested vectored interrupt controller (NVIC) provides deterministic 12-cycle interrupt latency, essential for motor control and communication stacks. The medium-density memory map supports Flash access at 0 wait states up to 24 MHz with prefetch buffer for higher frequencies. Typical applications are industrial automation nodes, BLDC motor control drives, USB/CAN communication boards, and low-cost development platforms such as the original Maple and Arduino-compatible boards. Design consideration: the VFQFPN-36 exposed pad must be soldered to a ground plane for thermal and signal-integrity performance; hand rework of QFN packages requires hot-air tooling. This page synthesizes distributor availability data, drop-in alternatives such as GD32F103T8U6, and practical design notes not found in the manufacturer datasheet.

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STM32F103T8U6TR - 72MHz Cortex-M3 64KB Flash MCU | ST (Tape & Reel)
STM32F103T8U6TR

STM32F103T8U6TR - 72MHz Cortex-M3 64KB Flash MCU | ST (Tape & Reel)

The STMicroelectronics STM32F103T8U6TR is a 32-bit ARM Cortex-M3 microcontroller running at up to 72 MHz with 64 KB of Flash memory, 20 KB of SRAM, and 26 GPIO, housed in a 36-pin VFQFPN (6x6 mm) package with exposed pad. A microcontroller unit (MCU) integrates a processor core, memory, and peripherals on a single die, sitting at the heart of the embedded-system hierarchy: MCU -> embedded controller -> electronic system. The STM32F1 family belongs to ST's medium-density performance line of ARM-based 32-bit MCUs, widely used where deterministic real-time control and low cost are required. Key features include 1.25 DMIPS/MHz Cortex-M3 performance at 0-wait-state memory access, single-cycle multiplication and hardware division, 64 KB embedded Flash, and rich connectivity: CAN 2.0B, I2C, SPI, UART/USART, USB 2.0 full-speed, and IrDA/LIN support. Peripheral set includes DMA, motor-control PWM timers, PDR/POR/PVD reset functions, watchdogs, and a temperature sensor. Architecturally, the Cortex-M3 core with its nested vectored interrupt controller (NVIC) provides deterministic 12-cycle interrupt latency, essential for motor control and communication stacks. The medium-density memory map supports Flash access at 0 wait states up to 24 MHz with prefetch buffer for higher frequencies. Typical applications are industrial automation nodes, BLDC motor control drives, USB/CAN communication boards, and low-cost development platforms such as the original Maple and Arduino-compatible boards. Design consideration: the VFQFPN-36 exposed pad must be soldered to a ground plane for thermal and signal-integrity performance; hand rework of QFN packages requires hot-air tooling. This page synthesizes distributor availability data, drop-in alternatives such as GD32F103T8U6, and practical design notes not found in the manufacturer datasheet.

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STM32F103T8U7 - 72MHz Cortex-M3 64KB MCU | STMicroelectronics
STM32F103T8U7

STM32F103T8U7 - 72MHz Cortex-M3 64KB MCU | STMicroelectronics

The STMicroelectronics STM32F103T8U7 is a 32-bit Arm Cortex-M3 RISC microcontroller operating at 72 MHz, with 64 KB of Flash memory and a 36-pin VFQFPN package measuring 6 x 6 mm. It belongs to the STM32F1 medium-density performance line and is positioned for embedded control, communications, and mixed-signal applications. A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, peripherals, and communication interfaces on one semiconductor device. The STM32F103T8U7 uses the Arm Cortex-M3 architecture, which supports efficient real-time instruction execution. Its 72 MHz operating frequency provides a substantial performance increase over many lower-frequency 8-bit and 16-bit control solutions while retaining a broad embedded peripheral ecosystem. Verified product information identifies 64 KB of Flash memory, USB, CAN, and LIN support, and a 36-VFQFPN package. The STM32F103 family also provides timer and mixed-signal resources suitable for motor control, sensor acquisition, communications, and general-purpose embedded products. The U7 ordering code and tray packaging identify this specific commercial configuration, but electrical limits, SRAM capacity, peripheral details, and operating-temperature data should be confirmed in the manufacturer datasheet before final design release. The STM32F103T8U7 is appropriate for industrial controllers, communication modules, USB peripherals, motor-control systems, and compact control platforms. Its 64 KB Flash capacity provides room for boot code, application firmware, and configuration data, although memory planning must include bootloader, protocol stack, and application overhead. The 6 x 6 mm VFQFPN land pattern also requires careful exposed-pad layout and thermal management. For PCB implementation, follow the manufacturer footprint and exposed-pad recommendations, provide clean supply decoupling, and keep high-current return paths physically short. Firmware should account for clock configuration, peripheral initialization, reset behavior, and any required migration from another STM32F1 variant. This page summarizes verified distributor and manufacturer information while clearly separating confirmed values from parameters requiring datasheet confirmation.

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