STM32F071VBT6 - 48MHz Cortex-M0 128KB MCU | STMicroelectronics
料号： STM32F071VBT6 ✓ 量产中STM32F071VBT6 概述
An Arm Cortex-M0 microcontroller is a 32-bit reduced-instruction-set embedded processor within the broader microcontroller and embedded-processor hierarchy. The STM32F0 access-line family combines low-cost processing, GPIO control, analog conversion, and serial communications in a single device. STM32F071VBT6 targets applications where deterministic control, a moderate memory footprint, and broad peripheral integration are more important than a high-performance application processor.
Three defining specifications are its 48 MHz maximum CPU frequency, 128 KB Flash memory, and 16 KB SRAM. The Flash provides program storage for firmware and application code, while SRAM provides working memory for stack, data, and peripheral buffers. The 100-pin LQFP package exposes substantially more I/O than smaller MCU packages, supporting mixed analog and digital control systems that require numerous external connections.
The STM32F071xB family integrates 12 timers, an ADC, a DAC, and communication interfaces according to the manufacturer datasheet. The ADC supports analog measurement, while the DAC provides an analog output without requiring a separate converter. Multiple timers can support periodic control, input capture, output compare, motor-control timing, or other time-dependent functions. Exact converter resolution, timer channel distribution, and peripheral operating characteristics require confirmation in the complete datasheet.
Typical uses include industrial control modules, building automation, appliance control, sensor acquisition, powered equipment, and compact embedded gateways. The 100-pin package is especially useful where multiple inputs and outputs are needed without using a mezzanine board. Compared with a small 32-pin microcontroller, this device offers more routing flexibility and peripheral capacity, while retaining the simple Cortex-M0 programming model.
Designers should verify every assigned 100-pin signal against the STM32F071x8/xB pinout, alternate-function mapping, and datasheet constraints before PCB release. The 2.0 V to 3.6 V supply range also requires compatible level shifting or careful interface planning when external pull-ups, sensors, and communications devices use other voltage domains.
This page consolidates verified manufacturer specifications, distributor availability links, same-package alternatives, comparison parameters, and practical design guidance. It is intended to support component selection and engineering review, while the manufacturer datasheet remains the authoritative source for pin assignments, electrical limits, timing, and peripheral behavior.
直接替换替代料： STM32F071VBT6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32F071VBT6 （相同外形与封装尺寸） ——差异在于 Package, SRAM, Flash Memory, Product Type, RoHS Status.
STM32F072VBT6TR
✅ 直接替换联系询价
查看数据手册 →STM32F072VBH6TR
✅ 直接替换联系询价
查看数据手册 →STM32F072VBT7XXX
✅ 直接替换📋 参考替代料（不在目录中）
STM32F071VBT6 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M0 microcontroller |
| Maximum CPU Frequency | 48 MHz |
| Flash Memory | 128 KB |
| SRAM | 16 KB with hardware parity |
| CPU Architecture | Arm Cortex-M0, 32-bit RISC |
| Digital and I/O Supply Voltage | 2.0 V to 3.6 V |
| Integrated Timer Count | 12 timers |
| Analog Peripherals | ADC and DAC |
| Communication Interfaces | CEC and additional communication interfaces |
| 封装 | 100-pin LQFP, 14 x 14 mm |
| 安装类型 | Surface mount |
| Shipping Package Shown by Distributor | Tray |
| CRC Calculation Unit | Integrated |
| Reset and Power Management | Integrated |
STM32F071VBT6 tray 引脚配置指南
STM32F071VBT6（tray 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： STM32F071VBT6.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F071VBT6 适用于 6 应用s: Industrial Control Module, Appliance and Building Automation, Sensor Acquisition and Monitoring, Powered Equipment Controller, Communication Gateway, Low-Cost Embedded Control Platform.
Industrial Control Module
STM32F071VBT6 fits industrial control modules that combine sensor inputs, digital outputs, timing functions, and local communication in one controller. Its Arm Cortex-M0 core operates up to 48 MHz, while 128 KB of Flash and 16 KB of SRAM provide room for control firmware, state handling, and diagnostics. The 100-pin LQFP package exposes a broad selection of GPIO and alternate-function signals, reducing the need for external I/O expanders. Multiple timers support periodic sampling, debounce timing, motor timing, or power-control sequencing, and the integrated ADC and DAC improve analog control integration. The primary engineering qualification is the 2.0 V to 3.6 V operating range; field-bus transceivers, isolated interfaces, and sensors requiring other voltage levels will need compatible interface components.
推荐
Appliance and Building Automation
STM32F071VBT6 is appropriate for appliance controllers and building-automation nodes that manage relays, sensors, displays, and communication interfaces. The 48 MHz Cortex-M0 core supports responsive state-machine control without requiring a higher-power application processor, and the 128 KB Flash accommodates embedded firmware plus local configuration data. Its 16 KB SRAM is useful for buffers and protocol state, while 12 timers can organize repetitive control and measurement tasks. The 100-pin LQFP footprint gives product designers access to more I/O than small leaded MCU packages, allowing local sensing and actuator drive to remain consolidated. Designers should confirm the alternate-function mapping, 2.0 V to 3.6 V supply compatibility, and any high-current load-driver isolation before schematic release.
推荐
Sensor Acquisition and Monitoring
STM32F071VBT6 supports compact sensor-acquisition and condition-monitoring designs by combining an ADC, 12 timers, 16 KB of SRAM, and 128 KB of Flash in one device. Firmware can sample analog inputs, apply digital filtering, timestamp events with timer resources, and store calibration or operating data within the available program and memory budget. At up to 48 MHz, the Cortex-M0 core provides ample control bandwidth for background sampling and communications without requiring a complex processor. The large 100-pin LQFP package also helps when several discrete sensors, status indicators, or local interface signals are required. Exact ADC resolution, sampling characteristics, conversion timing, and input limits must be confirmed in the STM32F071x8/xB datasheet because they were not quantified in the supplied snippets.
推荐
Powered Equipment Controller
STM32F071VBT6 can serve as the main controller in powered equipment such as actuators, laboratory instruments, and compact machinery subassemblies. Its 48 MHz Cortex-M0 performance is appropriate for coordinating timers, inputs, outputs, and local communication, while 128 KB of Flash stores application code and 16 KB of SRAM supports the working state. The ADC enables analog feedback monitoring and the DAC can generate a controlled analog reference or test signal where applicable. Compared with a smaller microcontroller, the 100-pin LQFP package reduces the likelihood of exhausting GPIO resources during feature integration. Engineers must budget regulator headroom, validate reset and brownout behavior, and confirm that every high-current actuator is driven by suitable external circuitry rather than an unspecified MCU pin.
推荐
Communication Gateway
STM32F071VBT6 is suitable for a small communication gateway when the design needs local protocol handling and control logic without a high-end processor. The Cortex-M0 core can run up to 48 MHz, and the STM32F0 family integrates communication interfaces referenced in the verified manufacturer material, including CEC capability. With 128 KB of Flash and 16 KB of SRAM, the device can support a lightweight protocol stack, configuration handling, and status reporting. The 100-pin LQFP package supplies additional GPIO for status LEDs, configuration switches, and external transceivers. The communication interface population, pin multiplexing, and protocol support must be verified for the exact device because the supplied snippets do not enumerate every peripheral; similarly, external transceivers must match the MCU’s 2.0 V to 3.6 V supply domain.
推荐
Low-Cost Embedded Control Platform
STM32F071VBT6 fits a low-cost embedded-control platform intended for prototypes, compact controllers, and application-specific products. The STM32F0 access-line positioning combines a widely supported Arm Cortex-M0 programming model with 48 MHz operation, 128 KB of Flash, and 16 KB of SRAM. The 100-pin LQFP package is mechanically straightforward for leaded-board assembly and offers more I/O than highly integrated small-outline alternatives. Integrated timers, ADC, DAC, CRC, reset, and power-management blocks can eliminate several discrete components from a typical control board. For a production design, engineers should verify programming and debug options, clock requirements, peripheral pin assignments, and temperature limits in the manufacturer documentation before freezing the platform and designing the production PCB.
推荐
工程参考数据： STM32F071VBT6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STM32F072VBT6TR | STM32F072VBH6TR | STM32F072VBT7XXX |
|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 100-pin LQFP (14 x 14 mm) | 100-pin LQFP (14 x 14 mm) | 100-pin LQFP (14 x 14 mm) | 100-pin LQFP (14 x 14 mm) |
| CPU Core | Arm Cortex-M0, 32-bit RISC | Arm Cortex-M0, 32-bit RISC | Arm Cortex-M0, 32-bit RISC | Arm Cortex-M0, 32-bit RISC |
| Maximum CPU Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB |
| SRAM | 16 KB with hardware parity | 16 KB | 16 KB | 16 KB |
| Digital and I/O Supply Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
关键差异点
- Verified 48 MHz performance with 128 KB Flash （对比 STM32F072VBT6TR)
- Large 100-pin LQFP integration （对比 STM32F072VBH6TR)
- Integrated analog and timing resources （对比 STM32F072VBT7XXX)
设计说明
Design the supply network for the verified 2.0 V to 3.6 V digital and I/O operating range. Confirm separate analog-supply requirements, regulator tolerance, startup ramp limits, and decoupling recommendations in the STM32F071x8/xB manufacturer datasheet. Place the required input capacitors directly beside the corresponding supply and ground pins, keep return-current paths short, and avoid routing switching-node or high-current load paths beneath the MCU supply area.
Reserve all 100 LQFP pads according to the official package drawing and verify every assigned signal against the STM32F071x8/xB pin table. The 100-pin footprint provides extensive GPIO access, but alternate-function conflicts can move several peripherals after firmware planning is complete. Freeze the pin assignment before routing, maintain the exposed thermal and electrical requirements of the package, and confirm programming, debug, reset, and clock connections on the production schematic.
Do not assume that equal package dimensions guarantee a drop-in replacement. STM32F072VBT6TR, STM32F072VBH6TR, and STM32F072VBT7XXX share the same-family 100-pin LQFP positioning, but suffix codes may represent different temperature grades, packing forms, or feature revisions. Compare the complete manufacturer datasheets for peripheral availability, interrupt mapping, electrical limits, startup behavior, qualification, and firmware support before substituting any candidate.
Separate analog sensing paths from digital switching and communication routes to preserve the value of the integrated ADC and DAC. Use a continuous ground reference, keep analog inputs away from high-current edges, and follow the manufacturer’s recommended input filtering and acquisition configuration. The supplied snippets do not quantify ADC or DAC resolution and performance, so final analog layout should be based on the complete datasheet rather than assumptions.
合规信息
The supplied verified snippets do not explicitly state the compliance status of STM32F071VBT6. RoHS, REACH, lead-free, halogen-free, conflict-minerals, and AEC-Q100 status therefore remain unknown.