STM32F103RBH6
STM32F103RBH6 - 32-Bit 72MHz 128KB MCU | STMicroelectronics
The STMicroelectronics STM32F103RBH6 is a 32-bit ARM Cortex-M3 microcontroller operating at 72MHz, with 128KB of Flash memory and a 64-TFBGA package measuring 5mm by 5mm. The device belongs to the STM32F1 series and is positioned for compact embedded systems requiring mixed-signal control, timers, communications, and efficient real-time processing. The verified distributor listing identifies the MCU as a 64-pin TFBGA device, while additional ordering information confirms its 2.5V and 3.3V supply-related positioning.
A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and input/output interfaces onto one package. The STM32F103RBH6 uses an ARM Cortex-M3 core within the broader embedded MCU hierarchy: microcontroller, embedded processor, semiconductor, and electronic component. This family is commonly used where deterministic control, communication connectivity, and broad peripheral integration are needed without a separate external processor.
The STM32F103RBH6 provides 128KB of Flash memory, a 72MHz maximum clock indication in the verified listing, and a 32-bit architecture. The STM32F103 family is also identified in the verified material as supporting CAN, LIN, USB, mixed-signal functions, and timer-driven control. These interfaces make it suitable for industrial controllers, communication equipment, motor-control systems, data acquisition modules, and compact consumer products.
The device is packaged in a 64-TFBGA, 5mm by 5mm form factor. TFBGA is a surface-mount ball-grid-array package, allowing a compact PCB footprint and short electrical connections when the board layout follows the manufacturer pin and escape-routing requirements. The verified distributor snippet lists 64 pins, while the exact exposed-ball assignments and electrical limits require confirmation from the manufacturer datasheet.
A typical design places the MCU beside stable power regulation, decoupling capacitors, oscillator circuitry, reset support, programming access, and application-specific sensors or communication transceivers. Firmware configuration determines whether the available timers, serial interfaces, analog inputs, and communication blocks are used for control, monitoring, or data exchange. Designers should verify package-specific pin multiplexing, power sequencing, clock limits, and peripheral availability against the official datasheet before layout release.
The STM32F103RBH6 is best suited to compact embedded-control platforms where 32-bit processing, 128KB Flash, and integrated mixed-signal or communications capability are valuable. Compared with larger LQFP alternatives, its 64-TFBGA package can reduce board area, but it increases assembly and inspection complexity. Compare competitor devices by exact package, pin mapping, memory, peripheral set, clock behavior, and validated firmware support rather than by CPU frequency alone.
This page combines verified distributor specifications, package information, pricing references, source links, application guidance, and drop-in alternatives for engineering evaluation. Alternative parts require careful validation of pin compatibility, electrical limits, memory, peripherals, clock behavior, and software support before substitution.
USD $2.86
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