STM32F091CBT6 - 48MHz 128KB MCU | STMicroelectronics
MPN: STM32F091CBT6 ✓ NakahandaSTM32F091CBT6 Ulas
A microcontroller is a programmable semiconductor that combines a processor core, memory, and peripherals in one device. The STM32F091CBT6 belongs to the STM32F0 access-line family, where Cortex-M0 provides a compact instruction set for control-oriented embedded products. This hierarchy places the device among general-purpose microcontrollers, embedded processors, and semiconductor components used to monitor sensors, operate actuators, and manage communication links.
Key device features include an ARM Cortex-M0 core operating at up to 48 MHz, 128 KB of Flash, 32 KB of SRAM with hardware parity, a hardware CRC calculation unit, and a 2.0 V to 3.6 V operating range. The STM32F091 series also incorporates CAN capability, 12 timers, ADC, DAC, and communication interfaces, making it suitable for compact industrial controls and connected peripherals.
The architecture uses a 32-bit RISC core with integrated high-speed embedded Flash and SRAM. Hardware CRC supports reliable data integrity checks, while the timer, analog, and communications resources reduce the need for external companion ICs. In a typical design, firmware executes from Flash, static data resides in SRAM, and the integrated peripherals handle sensing, timing, communications, and control functions under a common clock and power-management framework.
Typical uses include industrial sensor nodes, CAN-connected motor and equipment controllers, compact instrumentation, access-control terminals, and communication equipment. The 48 MHz core supports responsive control loops, while CAN enables deterministic communication between distributed nodes. The LQFP package also provides accessible leads for inspection, rework, and lower-cost automated assembly.
Designers should verify pin multiplexing, peripheral instance availability, clock requirements, and the selected Flash-memory and SRAM allocation against the STM32F091CB technical documentation. Because the device provides numerous alternate-function assignments, one physical pin can serve several purposes depending on the firmware configuration. Decoupling, reset, boot, and programming connections should follow the manufacturer reference circuit.
This product page consolidates the principal electrical characteristics, application guidance, drop-in comparison options, and practical PCB considerations. Its value is not limited to basic identification: it helps engineers connect the exact memory, core, package, voltage, and interface capabilities to an appropriate embedded-system design.
Mga alternatibo na pwedeng ilagay na STM32F091CBT6 — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok STM32F091CBT6 (parehas na form factor at footprint) — pagkakaiba sa Package, ADC, Flash Memory, CRC Calculation Unit, Communication Interfaces.
STM32F091C8T6
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
STM32F091CCT6
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →STM32F071CBT7
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →STM32F030C6T6
✅ Drop-In✗ Wala sa Stock
$1.15 / Yunit
Tingnan ang Datasheet →STM32F091CBT6 Mga Pinakamataas na Rating at Electrical Characteristics
| Product Type | 32-bit ARM Cortex-M0 RISC microcontroller |
| Maximum CPU Frequency | 48 MHz |
| Flash Memory | 128 KB |
| SRAM | 32 KB with hardware parity |
| Operating Voltage Range | 2.0 V to 3.6 V |
| CPU Architecture | ARM 32-bit Cortex-M0 |
| Instruction Set | 32-bit RISC |
| CRC Calculation Unit | Yes |
| CAN Interface | Yes |
| Timer Count | 12 timers |
| ADC | Yes |
| DAC | Yes |
| Packhaging | 48-pin LQFP (7 x 7 mm) |
| Uri ng Pagpapasok | Surface Mount |
Gabay sa Pin Configuration ng STM32F091CBT6 48-pin lqfp (7 x 7 mm)
Pin configuration para sa STM32F091CBT6 (48-pin lqfp (7 x 7 mm) package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa STM32F091CBT6.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
STM32F091CBT6 ay nararapat para sa 6 aplikasyons: CAN-Connected Industrial Sensor Node, Compact Motor and Equipment Controller, Precision Data Acquisition Terminal, Access-Control and Security Terminal, Communication Gateway and Protocol Hub, Compact Consumer Appliance Controller.
CAN-Connected Industrial Sensor Node
The STM32F091CBT6 fits compact industrial sensor nodes because its 48 MHz Cortex-M0 core can service acquisition and control routines while the integrated CAN interface communicates with a wider machine network. Its 128 KB of Flash stores application firmware and protocol code, while 32 KB of SRAM supports working state and buffers. Operating from 2.0 V to 3.6 V permits integration with common 3.3 V sensor and transceiver ecosystems. The ADC and timer resources can sample analog inputs and establish periodic acquisition without an external timing IC. Before schematic release, verify that every required CAN, ADC, timer, and serial signal is available on the selected LQFP-48 pins.
Inirekomenda
Compact Motor and Equipment Controller
The STM32F091CBT6 supports motor and equipment control designs that require deterministic timing without a high-complexity processor. Its 12 timers can divide control functions among pulse generation, input capture, or timing tasks, while the 48 MHz Cortex-M0 core executes position, speed, or sequence logic. The 128 KB of Flash provides room for a control loop and diagnostics, and the 32 KB SRAM accommodates state variables and communication buffers. Its 2.0 V to 3.6 V range aligns with many 3.3 V gate-driver and sensing systems. Confirm timer channels, complementary outputs, and DMA assignments against the pin-description table before finalizing motor-control routing.
Inirekomenda
Precision Data Acquisition Terminal
The STM32F091CBT6 is appropriate for compact instrumentation that combines analog measurement with local processing and communications. Its ADC can acquire sensor signals, the DAC can generate test or control outputs, and the CRC calculation unit supports data-integrity checks in communications. A 48 MHz Cortex-M0 core provides useful throughput for filtering and calibration, while 128 KB of Flash and 32 KB of SRAM provide a practical balance for embedded measurement logic. The 48-pin LQFP package exposes enough I/O for sensors, references, displays, and communication interfaces. Validate ADC accuracy, sample-time requirements, reference voltage, and DAC output limits against the electrical tables for the selected operating conditions.
Inirekomenda
Access-Control and Security Terminal
The STM32F091CBT6 can serve as the controller in an access-control or electronic lock terminal where low power, local decisions, and communication peripherals are required. The Cortex-M0 core can manage credential inputs, display updates, relay or lock timing, event logging, and network communication. Its hardware CRC unit supports integrity checks, and its 128 KB of Flash leaves room for protocol stacks and application code. The 2.0 V to 3.6 V supply range supports integration with 3.3 V logic, while the LQFP-48 package simplifies visual inspection and board rework. Review boot configuration, debug access, unused pins, and peripheral assignments to prevent accidental configuration of security-sensitive interfaces.
Inirekomenda
Communication Gateway and Protocol Hub
The STM32F091CBT6 is well suited to a small protocol hub that must bridge serial or CAN traffic while maintaining deterministic local processing. Its 48 MHz Cortex-M0 core can run multiple protocol state machines, the 32 KB SRAM provides buffer space, and the 128 KB Flash supports routing logic and firmware updates. Integrated CRC calculation improves data integrity checks, while the STM32F091 family supplies multiple timers and serial communication resources. The LQFP-48 package provides a practical mix of communication pins and power connections for a mixed-signal board. Before layout, verify the exact peripheral instances, alternate-function mappings, clock sources, and interrupt priorities required by the gateway architecture.
Inirekomenda
Compact Consumer Appliance Controller
The STM32F091CBT6 can coordinate pumps, valves, displays, buttons, and communication ports in a compact household or commercial appliance. Its 48 MHz Cortex-M0 core handles responsive state-machine control, while the timer resources support motor timing, debouncing, and periodic maintenance functions. The ADC assists with temperature, level, or position sensing, and the DAC can support analog control or test functions. With 128 KB of Flash and 32 KB of SRAM, the device accommodates substantial product firmware without moving to a larger package. Its 2.0 V to 3.6 V operating range supports common low-voltage systems. Confirm radiated-emissions margin, thermal rise, motor transient handling, and grounding before production release.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for STM32F091CBT6 — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | STM32F091C8T6 | STM32F091CCT6 | STM32F071CBT7 | STM32F030C6T6 |
|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 48-pin LQFP (7 x 7 mm) | 48-pin LQFP (7 x 7 mm) | 48-pin LQFP (7 x 7 mm) | 48-pin LQFP (7 x 7 mm) | 48-pin LQFP (7 x 7 mm) |
| Flash Memory | 128 KB | 64 KB | 256 KB | 128 KB | 32 KB |
Pangunahing mga Pagkakaiba
- Balanced Flash and SRAM capacity for embedded control (kumpara saSTM32F030C6T6)
- Direct memory-capacity upgrade within the same family (kumpara saSTM32F091C8T6)
- Headroom for larger protocol and control firmware (kumpara saSTM32F091CCT6)
- Broader STM32F091 peripheral set (kumpara saSTM32F071CBT7)
Talaan ng Disenyo
Route the LQFP-48 footprint against the STM32F091CB package drawing and assign every pin from the family pin-description table. Because many pins have multiple alternate functions, reserve each peripheral signal before finalizing component placement. Keep the 2.0 V to 3.6 V supply distribution compact, place required decoupling capacitors close to their power pins, and provide clean routing for reset, boot, clock, and debug connections.
Separate analog and digital return paths where the ADC or DAC is used, and follow the manufacturer's reference schematic for reference, filtering, and decoupling connections. Place analog input traces away from switching nodes and high-current outputs. If the design uses a high-speed communication interface, keep its route short, provide a continuous reference plane, and observe the specified edge-rate and impedance constraints before releasing the layout.
Do not select an alternative from package appearance alone. For STM32F091C8T6 and STM32F030C6T6, check that the application image fits the reduced Flash capacity; for STM32F071CBT7, verify the peripheral set and alternate-function assignments; and for STM32F091CCT6, confirm that the board supply, clock, and memory assumptions remain valid. Validate boot behavior, interrupt priorities, peripheral instances, and programming access after substitution.
Create the power budget from the actual clock, active peripherals, GPIO load, and operating temperature rather than one nominal current value. Confirm that the 2.0 V to 3.6 V device range includes transient and ripple conditions at the supply pins. For CAN or motor-control boards, account separately for transceiver or driver loads, because those external circuits can dominate the regulator and copper requirements of the MCU rail.
Impormasyon ng Pagsunod sa Kautusan
Compliance status was not stated on the manufacturer product-page excerpt or in the listed distributor snippets. The STM32F091CBT6 is an industrial-temperature-capable device designation, but AEC-Q100 qualification must not be inferred from that suffix.