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STMicroelectronics STM32F072RBT7
- Part No.:
- STM32F072RBT7
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32F072RBT7.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,413
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Product details
Overview
STM32F072RBT7 from STMicroelectronics is an Arm® Cortex®-M0 32-bit microcontroller with 128 KB Flash, 16 KB SRAM, crystal-less USB 2.0 Full-Speed interface, CAN 2.0B controller, and integrated 12-bit ADC/DAC - deployed in industrial HMI, smart sensor nodes, and USB-connected embedded control systems.
For engineers reviewing the STM32F072RBT7 datasheet, STM32F072RBT7 pinout, STM32F072RBT7 application, or STM32F072RBT7 equivalent, key selection criteria include USB FS timing autonomy (48 MHz internal oscillator with BCD/LPM), dual 12-bit DAC channels for analog waveform generation, and 68 I/Os with 5V tolerance supporting mixed-voltage system interfacing.
Technical Context
The STM32F072RBT7 integrates a single-cycle Cortex-M0 core running up to 48 MHz, paired with a clock recovery system (CRS) enabling precise USB synchronization without external crystal. Its memory subsystem includes 128 KB of Flash with error correction and 16 KB of HW-parity SRAM for deterministic real-time operation.
Peripheral integration centers on dual-domain I/O (VDDIO2 support for 1.65–3.6 V), seven 16-bit timers plus one 32-bit timer and advanced-control TIM1 for six-channel PWM, and full-featured communication stack: 4 USARTs (2 with ISO7816/LIN/IrDA), 2 I²C (Fast Mode Plus), 2 SPI/I²S, CAN, and USB 2.0 FS with battery charging detection (BCD) and link power management (LPM).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0, 48 MHz max - enables deterministic real-time task scheduling with <100 ns interrupt latency. |
| Memory | 128 KB Flash + 16 KB SRAM with hardware parity - supports secure firmware updates and fault-tolerant data buffering. |
| USB Interface | Crystal-less USB 2.0 Full-Speed with CRS and BCD - eliminates external 48 MHz crystal, reduces BOM cost, and enables direct USB battery charging detection. |
| Analog Peripherals | 1× 12-bit 1 µs ADC (16 ch), 2× 12-bit DAC, 2× analog comparators - supports closed-loop motor control and sensor signal conditioning without external ICs. |
| Timers | 12 timers including TIM1 (6-channel PWM), TIM2/3/14–17, TIM6/7 - delivers multi-phase motor commutation, IR decoding, and precise PWM-based LED dimming. |
| I/O Capability | Up to 68 5V-tolerant GPIOs, 19 with independent VDDIO2 supply - allows direct interfacing with legacy 5 V logic and mixed-supply peripherals. |
| Communication | CAN 2.0B, 4 USARTs (2 ISO7816/LIN), 2 I²C (1 Mbit/s Fast Mode Plus), 2 SPI/I²S - enables robust fieldbus connectivity and audio/data streaming in compact edge devices. |
Pinout & Package
LQFP64 package (10 × 10 mm, 0.5 mm pitch), RoHS-compliant ECOPACK®2, rated for industrial temperature range (–40 °C to +85 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VSS, VSSA | Power and ground rails | Digital (2.0–3.6 V), analog (2.4–3.6 V), and separate ground domains ensure noise isolation for mixed-signal operation. |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD15, PF0–PF1 | General-purpose I/Os | 64 GPIOs with remappable alternate functions; up to 68 support 5V tolerance - simplifies level-shifting in heterogeneous systems. |
| PA11/PA12 | USB DM/DP | Dedicated full-speed USB transceiver pins with internal termination - enables plug-and-play connectivity without external PHY or resistors. |
| PB8/PB9 | CAN RX/TX | Direct CAN 2.0B physical layer interface - supports automotive and industrial bus networks with ±25 V common-mode range via external transceiver. |
| PA0, PA1, PA4, PA5, PA6, PA7, PB0, PB1 | ADC INx / DAC OUTx | Hardware-mapped analog input/output channels - permits simultaneous sampling and waveform generation for sensor fusion or actuator control. |
Key Features
| Feature | Design Value |
|---|---|
| Crystal-less USB 2.0 FS | Internal 48 MHz HSI48 oscillator with CRS auto-trimming - achieves ±0.25 % USB timing accuracy without external crystal, reducing component count and PCB area. |
| Capacitive Touch Sensing | 24-channel TSC supporting touchkey, linear, and rotary sensors - enables intuitive HMI implementation with no external components or dedicated ASIC. |
| Low-Power Operation | Sleep/Stop/Standby modes with RTC + backup registers powered by VBAT - extends battery life in portable and energy-harvested applications to >10 years. |
| Robust Communication Stack | ISO7816, LIN, IrDA, and CAN coexistence on shared USARTs - supports multi-protocol gateways in automotive diagnostics and industrial tooling. |
| Security & Reliability | 96-bit unique ID, CRC calculation unit, programmable voltage detector (PVD), and SRAM parity - meets IEC 61508 SIL-2 functional safety requirements for embedded control. |
Applications
| Industrial HMI Panel | USB-Capable Sensor Node |
|---|---|
Use Scenario: Standalone touch-enabled control panel for PLC monitoring and parameter adjustment in factory automation cabinets. IC Role / Device Role / Timing Role: Main MCU executing GUI rendering, capacitive touch scanning, CAN bus polling, and real-time alarm logging. Use Value: Integrated TSC and CAN eliminate external touch controller and bus transceiver; crystal-less USB enables field firmware updates via standard USB cable. | Use Scenario: Battery-powered environmental sensor node transmitting temperature/humidity data over USB to host PC or gateway. IC Role / Device Role / Timing Role: System-on-chip managing sensor ADC acquisition, low-power sleep/wakeup, USB enumeration, and BCD-aware charging negotiation. Use Value: VBAT-backed RTC maintains time-stamped logs during USB disconnect; HSI48+CRS ensures reliable USB enumeration without crystal aging drift. |
| Automotive Diagnostic Tool | Smart Power Actuator |
Use Scenario: Handheld OBD-II scanner with LIN/ISO7816/USB interfaces for vehicle ECU diagnostics and key programming. IC Role / Device Role / Timing Role: Protocol translator and USB bridge between vehicle bus (LIN/CAN) and host PC, with secure firmware update capability. Use Value: Dual USARTs with LIN auto-baud and ISO7816 support enable single-chip compliance with SAE J2602 and ISO 14230 standards. | Use Scenario: Motorized valve controller using PWM-driven H-bridge, current sensing, and local feedback regulation in HVAC or irrigation systems. IC Role / Device Role / Timing Role: Real-time motion controller generating complementary PWM, reading shunt ADC, and regulating position via PID loop. Use Value: TIM1's dead-time insertion and fast ADC trigger synchronization ensure safe, jitter-free motor drive without external timing ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F070F6P6 | 64 KB Flash, no USB, no CAN, LQFP48 package | Cost-sensitive, non-USB/non-CAN control tasks only | Select when USB/CAN are unnecessary and BOM cost is primary constraint. |
| STM32F072CBT6 | Same core/peripherals, but LQFP48 (48-pin) vs. LQFP64 (64-pin); fewer GPIOs and no VDDIO2 support | Space-constrained designs requiring reduced I/O count | Choose for footprint-limited layouts where 68 5V-tolerant I/Os and independent VDDIO2 are not required. |
Compared with STM32F072RBT7, the F070F6P6 lacks USB and CAN entirely - limiting it to basic control; the F072CBT6 retains full peripheral compatibility but sacrifices 16 GPIOs and VDDIO2 flexibility, making it suitable only for scaled-down implementations where pin count and mixed-voltage I/O are not critical.
Availability
STM32F072RBT7 is available at Aetrix Electronics and suitable for industrial HMI, USB-connected sensor nodes, and automotive diagnostic tools requiring stable component supply across extended product lifecycles.
Supply support for STM32F072RBT7 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, specializing in microcontrollers, power management, sensors, and automotive ICs.
The STM32F0 series targets cost-sensitive, resource-constrained embedded applications demanding high integration, low power, and industrial-grade reliability - particularly in appliance control, industrial automation, and USB-peripheral devices.
FAQ
Does STM32F072RBT7 require an external crystal for USB operation?
No. The device features an internal 48 MHz HSI48 oscillator with Clock Recovery System (CRS) that automatically trims against USB SOF packets, achieving ±0.25 % frequency accuracy without any external crystal - enabling true crystal-less USB Full-Speed operation per USB 2.0 specification.
What is the maximum number of 5V-tolerant I/Os on STM32F072RBT7?
The STM32F072RBT7 supports up to 68 5V-tolerant I/Os across its LQFP64 package. These pins tolerate 5 V inputs while operating from a 3.3 V supply, allowing direct interface with legacy 5 V logic, sensors, and displays without external level shifters.
Can the two DAC channels operate simultaneously with independent triggers?
Yes. Both 12-bit DAC channels (DAC1 and DAC2) support independent software or timer-triggered conversions, and can output synchronized or asynchronous waveforms. Each channel has dedicated output buffers and configurable alignment, enabling dual-tone generation or differential analog outputs.
Is the STM32F072RBT7 qualified for automotive applications?
No. The STM32F072RBT7 is specified for industrial temperature range (–40 °C to +85 °C) and carries industrial-grade qualification (IEC 60747, AEC-Q100 not applicable). For automotive use, ST recommends the pin-compatible STM32F072VBT6 in VFQFPN68 package with AEC-Q100 Grade 2 qualification.
STM32F072RBT7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- 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:
- 51
- 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 19x12b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F072RBT7 FAQ
1.How can I place an order for STM32F072RBT7 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F072RBT7 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 STM32F072RBT7 reliable?
The price and inventory of STM32F072RBT7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F072RBT7 is usually 5 days.
3.What payment methods are accepted for STM32F072RBT7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F072RBT7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F072RBT7?
STM32F072RBT7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F072RBT7 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 STM32F072RBT7?
For technical support, including STM32F072RBT7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F072RBT7 requirements.
6.How does Aetrix verify that STM32F072RBT7 is sourced from the original manufacturer or authorized distributors?
All STM32F072RBT7 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 STM32F072RBT7 meets industry standards.
7.What is the process for return or replacement of STM32F072RBT7?
All STM32F072RBT7 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F072RBT7, 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 STM32F072RBT7 part is unused and in its original packaging.
Return procedure for STM32F072RBT7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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