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STMicroelectronics STM32F072VBH7
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- Part No.:
- STM32F072VBH7
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-UFBGA
- Datasheet:
-
STM32F072VBH7.pdf
- Description:
- IC MCU 32BIT 128KB FLSH 100UFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,732
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Product details
Overview
STM32F072VBH7 from STMicroelectronics is a 32-bit Arm® Cortex®-M0 microcontroller in UFBGA100 package, operating up to 48 MHz with 128 KB Flash and 16 KB SRAM. It integrates crystal-less USB 2.0 FS, CAN 2.0B, dual 12-bit ADC/DAC, RTC with calendar, and 24-channel capacitive touch sensing - deployed in industrial HMI panels requiring integrated analog I/O, secure firmware updates via USB, and low-power sensor node operation.
For engineers reviewing the STM32F072VBH7 datasheet, STM32F072VBH7 pinout, STM32F072VBH7 application, or STM32F072VBH7 equivalent, key selection criteria include USB 2.0 full-speed timing tolerance without external crystal, CAN+USB coexistence in single-chip gateways, 5V-tolerant GPIO count (68 pins), VDDIO2 supply flexibility for mixed-voltage peripherals, and hardware CRC/unique ID for secure boot validation.
Technical Context
The STM32F072VBH7 implements a tightly coupled Cortex-M0 core with Harvard bus architecture, supporting Thumb-2 instruction set and NVIC with 32 interrupt lines. Its clock system combines internal 48 MHz oscillator (HSI48) with automatic trimming against USB SOF, enabling crystal-less USB operation while maintaining ±0.25% frequency accuracy over temperature and voltage.
Peripheral integration follows a hierarchical DMA model: 7-channel controller routes ADC conversions, SPI transfers, and USB endpoint buffers without CPU intervention. The advanced-control timer (TIM1) delivers six-channel complementary PWM with dead-time insertion, while the TSC peripheral uses synchronous charge-transfer measurement across 24 GPIOs for robust touchkey detection under EMI stress.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0, 48 MHz max - enables real-time deterministic control of USB/CAN stacks and touch sensing without external co-processor. |
| Memory | 128 KB Flash + 16 KB SRAM with HW parity - supports dual-bank firmware update and ECC-protected data logging buffers. |
| USB Interface | Crystal-less USB 2.0 Full-Speed with BCD/LPM - eliminates 12 MHz crystal and matching capacitors, reducing BOM cost and PCB area by ~3 mm². |
| Analog Peripherals | 1×12-bit ADC (16 ch, 1 µs), 2×12-bit DAC, 2×comparators - enables closed-loop motor control with current sensing and analog output staging. |
| Timers | 12 timers including TIM1 (6-ch PWM), TIM2/3/14–17 (IC/OC), TIM6/7 (basic), IWDG/WWDG - supports IR remote decoding, DAC waveform generation, and safety-critical timeout supervision. |
| I/O Capability | 87 fast I/Os; 68 with 5V tolerance, 19 with independent VDDIO2 (1.65–3.6 V) - interfaces directly with legacy 5V logic and mixed-supply sensors without level shifters. |
| Power Management | Three low-power modes (Sleep/Stop/Standby); VBAT backup for RTC/registers - achieves 1.2 µA Standby current with RTC running, suitable for battery-backed metering. |
Pinout & Package
STM32F072VBH7 is housed in a 100-ball UFBGA package (7 × 7 mm, 0.5 mm pitch) with 1.2 mm max height, compliant with ECOPACK®2 environmental standards. Pin layout supports full peripheral mapping including dedicated USB DP/DM, CAN TX/RX, and TSC channels distributed across GPIO ports A–E.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Digital power/ground | Core supply (2.0–3.6 V); 10 pairs ensure low-impedance decoupling for 48 MHz operation and USB noise immunity. |
| VDDA/VSSA | Analog power/ground | Separate 2.4–3.6 V analog domain isolates ADC/DAC reference from digital switching noise. |
| PA11/PA12 | USB DP/DM | Dedicated full-speed USB transceivers with internal termination; support crystal-less mode via HSI48 synchronization. |
| PB8/PB9 | CAN RX/TX | Direct connection to ISO 11898-compliant transceiver; supports bit rates up to 1 Mbps with programmable sample point. |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD15, PE0–PE15 | General-purpose I/O | 87 total pins; 68 tolerate 5V inputs, enabling direct interfacing with industrial sensors and displays. |
| PF0–PF1 | TSC channel inputs | Capacitive sensing controller inputs; support mutual/capacitive touch with built-in charge transfer and filtering. |
Key Features
| Feature | Design Value |
|---|---|
| Crystal-less USB 2.0 FS | HSI48 oscillator trimmed in real time using USB SOF packets - eliminates external crystal while meeting ±0.25% USB timing spec across -40°C to +85°C. |
| Hardware CRC unit | 32-bit polynomial engine (0x04C11DB7) accelerating firmware image verification and OTA update integrity checks in <1 µs per 32-bit word. |
| Capacitive Touch Sensing (TSC) | 24-channel synchronous acquisition with built-in Schmitt triggers and digital filter - rejects >4 kV ESD pulses and 50/60 Hz ambient noise without external components. |
| Programmable Voltage Detector (PVD) | 7-level threshold selection (2.0–2.9 V) with interrupt generation - enables graceful shutdown before brown-out resets corrupt Flash or SRAM contents. |
| Independent VDDIO2 supply | 19 GPIOs powered separately at 1.65–3.6 V - allows direct interface with 1.8 V logic (e.g., SDIO, UART peripherals) while main I/O runs at 3.3 V. |
Applications
| Industrial HMI Panel | Automotive Body Control Module |
|---|---|
Use Scenario: 7-inch resistive/capacitive touchscreen panel with CAN gateway functionality in factory automation cabinet. IC Role / Device Role / Timing Role: Main MCU executing FreeRTOS-based GUI stack, managing USB-CDC virtual COM port for configuration, and routing CAN messages between PLC and display controller. Use Value: Integrated TSC eliminates external touch controller IC; crystal-less USB reduces component count; CAN+USB coexistence enables unified diagnostics over both wired and service-port interfaces. | Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with LIN slave interface and EEPROM emulation. IC Role / Device Role / Timing Role: Real-time actuator driver with PWM-controlled motor outputs, LIN physical layer timing synchronized to internal 4 MHz RC, and secure firmware update via USB DFU. Use Value: Dual 12-bit DACs generate precise analog dimming signals; 16 KB SRAM with parity ensures reliable EEPROM emulation; VDDIO2 supports 2.5 V LIN transceiver biasing. |
| Smart Energy Meter | Medical Patient Monitor Front-End |
Use Scenario: DIN-rail mounted electricity meter with pulse counting, tamper detection, and optical USB programming port. IC Role / Device Role / Timing Role: System controller acquiring metrology ADC samples via DMA, validating firmware signatures using hardware CRC, and managing secure USB bootloader. Use Value: 128 KB Flash accommodates dual-bank OTA updates; RTC with VBAT backup maintains time during mains failure; 5V-tolerant GPIOs interface directly with opto-isolated pulse inputs. | Use Scenario: Portable patient monitor front-end digitizing ECG, SpO₂, and temperature with local display and USB data export. IC Role / Device Role / Timing Role: Analog signal conditioner with 12-bit ADC sampling at 1 kHz, 12-bit DAC generating reference voltages, and USB HID interface for PC telemetry streaming. Use Value: Single-chip solution replaces discrete ADC/DAC/microcontroller combo; low-power Stop mode extends battery life to >8 hours; medical-grade EMC performance validated per IEC 60601-1-2 Ed.4. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F072CBT6 | LQFP48 package (48-pin), 128 KB Flash, same peripherals but only 39 GPIOs and no TSC support. | Suitable for space-constrained designs without touch interface; lacks USB crystal-less capability due to missing HSI48 trim logic. | Select when board area is critical and touch sensing is unnecessary; verify USB timing compliance requires external crystal. |
| STM32F091RCT6 | LQFP64 package, 256 KB Flash, 32 KB SRAM, adds FSMC and additional USART/I²C - no USB crystal-less mode. | Targeted at display controllers with external SRAM; higher memory enables complex graphics libraries but increases power consumption in Stop mode. | Choose for GUI-rich applications needing external memory interface; accept higher standby current (2.5 µA vs. 1.2 µA) and mandatory external USB crystal. |
Compared with STM32F072CBT6, the VBH7 offers superior I/O density and crystal-less USB for compact gateways; versus STM32F091RCT6, it trades memory capacity for lower power and smaller footprint - optimal for cost-sensitive, battery-aware edge nodes with integrated analog sensing.
Availability
STM32F072VBH7 is available at Aetrix Electronics and suitable for industrial HMI panels, automotive body control modules, smart energy meters, and portable medical front-ends requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for STM32F072VBH7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer markets.
The STM32F0 series targets cost-sensitive, low-power embedded applications requiring high peripheral integration and robust toolchain support - optimized for rapid development of industrial controls, appliance interfaces, and IoT edge nodes.
FAQ
Does STM32F072VBH7 support USB device mode without an external crystal?
Yes. The STM32F072VBH7 integrates an internal 48 MHz HSI48 oscillator with automatic trimming based on USB Start-of-Frame (SOF) packets. This meets USB 2.0 Full-Speed timing requirements (±0.25% accuracy) across -40°C to +85°C and 2.0–3.6 V supply, eliminating need for external 12 MHz crystal and associated load capacitors.
What is the maximum number of 5V-tolerant I/Os on STM32F072VBH7?
The STM32F072VBH7 provides 68 I/O pins with guaranteed 5V tolerance, covering all pins except those dedicated to analog functions (VREF+, VREF-, VDDA, VSSA) and USB DP/DM. This enables direct interfacing with legacy 5V logic, industrial sensors, and display drivers without external level-shifting circuitry.
How does the capacitive touch sensing (TSC) peripheral operate without external components?
The TSC uses synchronous charge-transfer measurement across up to 24 GPIOs, with built-in Schmitt triggers, digital filters, and acquisition control logic. It rejects common-mode noise and ESD events intrinsically - validated to withstand >4 kV contact discharge per IEC 61000-4-2 - and requires no external RC networks or op-amps for baseline touchkey or slider implementation.
Is the STM32F072VBH7 qualified for automotive applications?
No. The STM32F072VBH7 is specified for industrial temperature range (-40°C to +85°C) and carries industrial-grade qualification (AEC-Q100 not applicable). For automotive use, ST recommends the pin-compatible STM32F072VBT6 (AEC-Q100 Grade 2, -40°C to +105°C) with identical peripheral set and UFBGA100 packaging.
STM32F072VBH7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-UFBGA
- Series:
- STM32F0
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART, USB
- Peripherals:
- DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 87
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 3.6V
- Data Converters:
- A/D 16x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F072VBH7 FAQ
1.How can I place an order for STM32F072VBH7 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F072VBH7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32F072VBH7 reliable?
The price and inventory of STM32F072VBH7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F072VBH7 is usually 5 days.
3.What payment methods are accepted for STM32F072VBH7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F072VBH7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F072VBH7?
STM32F072VBH7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F072VBH7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32F072VBH7?
For technical support, including STM32F072VBH7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F072VBH7 requirements.
6.How does Aetrix verify that STM32F072VBH7 is sourced from the original manufacturer or authorized distributors?
All STM32F072VBH7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32F072VBH7 meets industry standards.
7.What is the process for return or replacement of STM32F072VBH7?
All STM32F072VBH7 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F072VBH7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32F072VBH7 part is unused and in its original packaging.
Return procedure for STM32F072VBH7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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