My Inquiry
My Account
STMicroelectronics STM32F072RBT6TR
- Part No.:
- STM32F072RBT6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32F072RBT6TR.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:884
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32F072RBT6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M0 microcontroller with 128 KB Flash, 16 KB SRAM, crystal-less USB 2.0 FS interface, CAN 2.0B controller, and integrated 12-bit ADC/DAC - deployed in industrial HMI panels requiring embedded USB device connectivity, real-time CAN bus communication, and analog sensor interfacing.
For engineers reviewing the STM32F072RBT6TR datasheet, STM32F072RBT6TR pinout, STM32F072RBT6TR application, or STM32F072RBT6TR equivalent, key selection criteria include USB clocking autonomy (48 MHz internal oscillator with BCD/LPM), 5V-tolerant GPIO count (up to 68 pins), CAN+USB coexistence capability, and RTC+backup register support for battery-backed operation.
Technical Context
This MCU integrates a single-cycle 48 MHz Cortex-M0 core with tightly coupled peripherals including dual DMA channels, nested vectored interrupt controller (NVIC), and clock recovery system (CRS) enabling precise USB frame synchronization without external crystal. Its power architecture supports three low-power modes (Sleep/Stop/Standby) with VBAT-backed RTC and 32-bit backup registers.
The analog subsystem includes one 12-bit 1.0 µs ADC (16-channel, 0–3.6 V range, separate VDDA supply), two 12-bit DAC channels, two programmable analog comparators, and 24-capacitive sensing channels - all operating under shared 2.0–3.6 V digital supply and 2.4–3.6 V analog rail constraints.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0, up to 48 MHz - enables deterministic real-time control with <100 ns interrupt latency. |
| Memory | 128 KB Flash + 16 KB SRAM with hardware parity - supports secure firmware updates and robust data logging. |
| USB Interface | Crystal-less USB 2.0 Full-Speed with BCD & LPM - eliminates external 48 MHz crystal, reduces BOM cost and PCB area. |
| CAN Interface | CAN 2.0B controller with dedicated TX/RX FIFO - enables automotive-grade bus arbitration and error handling in industrial networks. |
| Analog Peripherals | 1×12-bit ADC (16 ch, 1.0 µs), 2×12-bit DAC, 2×comparators - supports closed-loop motor control and sensor signal conditioning. |
| I/O Capability | Up to 87 fast I/Os; 68 with 5V tolerance - simplifies level-shifting in mixed-voltage systems (e.g., 5V sensors + 3.3V logic). |
| Power Range | 2.0–3.6 V supply; VDDA = VDD to 3.6 V; VBAT for RTC - ensures operation across wide industrial input rails and battery backup. |
Pinout & Package
LQFP64 (10 × 10 mm, 0.5 mm pitch) package with exposed thermal pad - optimized for thermal dissipation in compact industrial controllers and compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Digital power supply and ground | Primary 2.0–3.6 V domain; decoupling required per datasheet layout guidelines. |
| VDDA, VSSA | Analog power supply and ground | Must be filtered separately; powers ADC/DAC/comp/RTC; noise sensitivity ≤10 mVpp. |
| PA11/PA12 | USB DM/DP | Dedicated full-speed USB transceiver pins; internal pull-ups enabled via SYSCFG register. |
| PB8/PB9 | CAN RX/TX | Direct connection to external CAN transceiver; supports loopback and silent modes. |
| PC13/PC14/PC15 | RTC_OUT/OSC32_IN/OSC32_OUT | Supports 32.768 kHz crystal for calendar RTC; PC13 also usable as tamper or wakeup pin. |
| NRST | Active-low reset input | Accepts 1.65–5.5 V logic; internal pull-up; minimum pulse width 20 ns for reliable reset assertion. |
Key Features
| Feature | Design Value |
|---|---|
| Crystal-less USB 2.0 FS | Internal 48 MHz HSI48 oscillator with automatic trimming via USB SOF sync - eliminates external crystal and matching capacitors. |
| Capacitive Touch Sensing | 24-channel TSC supporting touchkey, linear, and rotary sensors - enables intuitive HMI without external ICs or firmware overhead. |
| Programmable Voltage Detector | Configurable threshold (2.0–2.9 V) with interrupt generation - provides early warning of brown-out before system failure. |
| Independent Watchdog | LSI-driven 12-bit counter with window mode - prevents runaway code while allowing safe software refresh timing. |
| SWD Debug Interface | 2-pin Serial Wire Debug (SWDIO/SWCLK) - enables full debug, flash programming, and real-time trace with minimal PCB footprint. |
Applications
| Industrial HMI Panel | Automotive Diagnostic Tool |
|---|---|
Use Scenario: Compact touchscreen interface for PLC monitoring with local data logging and USB-CDC virtual COM port. IC Role / Device Role / Timing Role: Main application processor managing display driver, capacitive touch, USB CDC stack, and CAN message bridging. Use Value: Integrated USB+CAN eliminates dual-bridge ICs; 5V-tolerant GPIOs interface directly with legacy 5V I/O modules. | Use Scenario: Handheld OBD-II scanner with USB host-to-device firmware update and ISO-TP over CAN diagnostics. IC Role / Device Role / Timing Role: USB device endpoint and CAN protocol handler with precise timing for ISO 15765-2 frame transmission. Use Value: Crystal-less USB ensures plug-and-play compatibility; internal 48 MHz oscillator meets USB frame jitter spec (<±500 ppm). |
| Smart Energy Meter | Medical Sensor Hub |
Use Scenario: DIN-rail mounted meter with RTC-based tariff switching, pulse counting, and USB configuration port. IC Role / Device Role / Timing Role: System controller with calendar RTC, tamper detection (PC13), and isolated RS-485 via USART+external transceiver. Use Value: VBAT-backed RTC maintains time during mains outage; hardware parity on SRAM prevents data corruption in long-term logging. | Use Scenario: Portable patient monitor aggregating ECG, temperature, and SpO₂ signals with USB HID report output. IC Role / Device Role / Timing Role: Analog front-end controller performing simultaneous ADC sampling, DAC-based reference generation, and USB HID descriptor handling. Use Value: Single 12-bit ADC supports >1 kSPS multi-channel acquisition; internal VREFINT enables ratiometric measurement stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F070F6P6 | No CAN, no USB, 32 KB Flash, LQFP48 | Cost-sensitive control-only tasks without connectivity | Select when CAN/USB are unnecessary and BOM cost is critical. |
| STM32F072CBT6 | Same core/peripherals, LQFP48 package, 128 KB Flash | Space-constrained designs needing identical functionality in smaller footprint | Choose for PCB area reduction where 64-pin routing complexity must be avoided. |
Compared with STM32F072RBT6TR, the F070F6P6 sacrifices CAN and USB for lower cost and smaller package, while the F072CBT6 retains full feature parity in a denser LQFP48 - making the RBT6 optimal for designs requiring both CAN+USB in a balanced I/O count and thermal profile.
Availability
STM32F072RBT6TR is available at Aetrix Electronics and suitable for industrial HMI panels, automotive diagnostic tools, smart energy meters, and medical sensor hubs requiring stable component supply, long-lifecycle assurance, and qualified manufacturing traceability.
Supply support for STM32F072RBT6TR 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 ICs, sensors, and analog products for industrial, automotive, and consumer markets.
The STM32F0 series targets cost-sensitive, resource-efficient embedded applications demanding high reliability, low power, and rich peripheral integration - especially where USB device, CAN, or capacitive touch are essential.
FAQ
Does STM32F072RBT6TR support USB device mode without an external crystal?
Yes. It features an internal 48 MHz HSI48 oscillator with automatic trimming synchronized to USB Start-of-Frame (SOF) packets, meeting USB Full-Speed timing requirements without external crystal or capacitors - confirmed in DS9826 Section 3.21 and Table 43.
What is the maximum number of 5V-tolerant I/Os on this device?
The STM32F072RBT6TR supports up to 68 5V-tolerant I/Os across GPIO ports A–E, as specified in Section 3.7 of DS9826. These pins tolerate 5V inputs while operating from a 3.3V supply, enabling direct interfacing with legacy 5V peripherals without level shifters.
Can the internal RTC maintain time during main power loss?
Yes. The RTC operates from VBAT (battery backup supply) and retains calendar, alarm, and 32-bit backup registers during main power removal - provided VBAT ≥1.8 V. This is validated in Section 3.15 and electrical characteristics Table 63.
Is SWD debugging supported, and what pins are required?
Yes. Serial Wire Debug (SWD) is fully supported using SWDIO (PA13) and SWCLK (PA14) pins. No additional pins are needed - reset (NRST) is optional. Debug functionality is documented in Section 3.23 and pin definition Table 14.
STM32F072RBT6TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- Series:
- STM32F0
- Packaging:
- Tape & Reel (TR)
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F072RBT6TR FAQ
1.How can I place an order for STM32F072RBT6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F072RBT6TR 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 STM32F072RBT6TR reliable?
The price and inventory of STM32F072RBT6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F072RBT6TR is usually 5 days.
3.What payment methods are accepted for STM32F072RBT6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F072RBT6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F072RBT6TR?
STM32F072RBT6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F072RBT6TR 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 STM32F072RBT6TR?
For technical support, including STM32F072RBT6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F072RBT6TR requirements.
6.How does Aetrix verify that STM32F072RBT6TR is sourced from the original manufacturer or authorized distributors?
All STM32F072RBT6TR 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 STM32F072RBT6TR meets industry standards.
7.What is the process for return or replacement of STM32F072RBT6TR?
All STM32F072RBT6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F072RBT6TR, 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 STM32F072RBT6TR part is unused and in its original packaging.
Return procedure for STM32F072RBT6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32F072RBT6TR Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
