STMicroelectronics STM32G0B1RCT6
- Part No.:
- STM32G0B1RCT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32G0B1RCT6.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
STM32G0B1RCT6 from STMicroelectronics is a 32-bit Arm® Cortex®-M0+ microcontroller with 256 KB flash, 144 KB SRAM, dual 12-bit DACs, two FDCAN controllers, and USB Type-C™ Power Delivery support - deployed in industrial HMI, smart metering, and USB-C PD sink applications.
For engineers reviewing the STM32G0B1RCT6 datasheet, STM32G0B1RCT6 pinout, STM32G0B1RCT6 application, or STM32G0B1RCT6 equivalent, key selection criteria include its 64 MHz CPU frequency, 94 fast I/Os (including 5 V-tolerant), integrated USB FS device/host, crystal-less operation, and -40°C to 125°C extended temperature grade.
Technical Context
This MCU integrates an Arm Cortex-M0+ core with MPU, dual-bank flash supporting read-while-write and securable area, and hardware parity on 128 KB of SRAM. Its clock system combines 4–48 MHz HSE, 32 kHz LSE with calibration, and internal 48 MHz RC (HSI48) for crystal-less USB.
The peripheral interconnect supports flexible DMA mapping across 12 channels, three I²C interfaces (Fast-mode Plus), six USARTs (three with ISO7816/LIN/IrDA), and two FDCAN controllers compliant with ISO 11898-1:2015 - enabling robust automotive and industrial communication stacks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, up to 64 MHz - delivers deterministic real-time control with low-latency interrupt handling (≤12 cycles). |
| Flash Memory | 256 KB dual-bank, with RWW and securable area - enables secure firmware updates and bootloader isolation. |
| SRAM | 144 KB total (128 KB with HW parity) - supports safety-critical data buffering and ECC-free stack/heap allocation. |
| Analog Peripherals | 12-bit ADC (0.4 µs), two 12-bit DACs, three rail-to-rail comparators - suitable for closed-loop motor control and sensor signal conditioning. |
| Communication | Two FDCAN, six USARTs (3 with ISO7816), USB 2.0 FS device/host, USB-C PD controller - enables full-featured USB-C power negotiation and CAN FD diagnostics. |
| Power & Temp | 1.7–3.6 V supply, -40°C to +125°C operating range - certified for harsh industrial environments and extended thermal cycling. |
| I/O Count | 94 fast I/Os, multiple 5 V-tolerant - simplifies level-shifting in mixed-voltage systems and legacy interface integration. |
Pinout & Package
LQFP64 package (10 × 10 mm, 0.5 mm pitch), RoHS-compliant ECOPACK2, with exposed thermal pad for enhanced thermal dissipation in high-duty-cycle applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Main power supply and ground | Supports 1.7–3.6 V operation; separate VDDA/VSSA pins ensure analog domain noise isolation. |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD15, PE0–PE15, PF0–PF1 | General-purpose I/Os | 94 total GPIOs; most support external interrupts, timer channels, and alternate functions including FDCAN, USB, and USART. |
| NRST | Active-low reset input | Accepts 1.65–3.6 V logic; internally pulled high; compatible with open-drain reset supervisors. |
| BOOT0 | Boot mode selection | High at power-up selects system memory bootloader; controlled via external pull-up/pull-down for field firmware recovery. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Crystal-less operation supported; internal transceiver meets USB-IF electrical compliance without external oscillator. |
| FDCAN1_TX / FDCAN1_RX FDCAN2_TX / FDCAN2_RX | FDCAN bus interface signals | Dedicated pins per controller; support ISO 11898-1:2015 FD frame format, bit rates up to 5 Mbps. |
Key Features
| Feature | Design Value |
|---|---|
| USB Type-C Power Delivery controller | Integrated PD PHY and protocol engine - eliminates need for external PD controller IC in USB-C sink designs. |
| Dual FDCAN controllers | Independent message RAM, filters, and FIFOs - enables concurrent CAN FD communication on two isolated buses (e.g., diagnostics + control). |
| Crystal-less USB 2.0 FS | Internal 48 MHz HSI48 oscillator trimmed via USB SOF - removes external crystal, reducing BOM cost and PCB footprint. |
| 128 MHz-capable timers | Two 16-bit advanced-control timers (TIM1/TIM17) with dead-time insertion - supports 3-phase motor control with <1 ns timing resolution. |
| Secure boot & ROP | Readout protection (ROP) levels + securable flash area - enforces firmware integrity and prevents unauthorized code extraction. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
Use Scenario: Touch-enabled front-panel interface with real-time energy display, tariff switching, and local firmware update capability. IC Role / Device Role / Timing Role: Main application processor managing GUI rendering, SPI-driven LCD, capacitive touch sensing, and secure OTA updates via USB-C. Use Value: Dual DACs drive analog meter outputs; 144 KB SRAM buffers graphics assets; USB-C PD enables field service charging and configuration. | Use Scenario: DIN-rail mounted electricity meter with metrology SoC interface, tamper detection, and remote communication via NB-IoT/LTE-M. IC Role / Device Role / Timing Role: System orchestrator handling RTC calendar, backup register retention, ISO7816 secure element interface, and FDCAN-based utility grid diagnostics. Use Value: 125°C rating ensures reliability inside sealed enclosures; VBAT-powered RTC maintains time during main power loss; securable flash protects tariff tables. |
| USB-C PD Sink Adapter | Programmable Logic Controller I/O Module |
Use Scenario: Compact wall adapter negotiating 20 V / 5 A power delivery while providing isolated 5 V/3.3 V rails for downstream peripherals. IC Role / Device Role / Timing Role: USB-C PD policy engine and power path manager interfacing with buck-boost converters and load switches. Use Value: Integrated USB-C PD controller reduces component count by ≥3 ICs; crystal-less USB allows single-layer PCB layout; 94 GPIOs support status LED, thermistor, and fault signaling. | Use Scenario: Modular digital I/O expansion unit with 16-channel isolated inputs/outputs, Modbus RTU over RS-485, and CAN FD backplane communication. IC Role / Device Role / Timing Role: Central controller managing opto-isolated GPIO banks, UART-to-CAN FD bridging, and watchdog-monitored firmware execution. Use Value: Two FDCAN controllers enable redundant backplane links; 15 timers provide precise PWM for analog output scaling; 5 V-tolerant I/Os simplify connection to legacy 24 V PLC sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G0B1VCT6 | LQFP100 package (100-pin), same flash/SRAM/peripherals - adds 6 more GPIOs and extra USART/SPI channels. | Suitable for designs requiring higher I/O density or additional communication interfaces without changing firmware logic. | Select when board layout allows larger package and >94 GPIOs or extra serial interfaces are needed. |
| STM32G0C1RCT6 | Same LQFP64 package but with 512 KB flash and 144 KB SRAM - identical peripheral set and pinout. | Enables larger application firmware, bootloader + secure runtime partitioning, or future-proofing for feature expansion. | Choose when firmware size exceeds 256 KB or dual-bank flash security features require full 512 KB capacity. |
Compared with STM32G0B1RCT6, the VCT6 offers pin-compatible scalability in I/O count and interface count, while the G0C1RCT6 provides identical footprint with doubled flash - both retain the same USB-C PD controller, FDCAN, and 125°C rating for seamless migration paths.
Availability
STM32G0B1RCT6 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, USB-C PD adapters, and programmable logic controller I/O modules requiring stable component supply across extended temperature and long product lifecycles.
Supply support for STM32G0B1RCT6 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 management ICs, sensors, and analog devices for industrial, automotive, and consumer markets.
The STM32G0 series targets cost-sensitive, power-efficient, and secure entry-level embedded applications - emphasizing USB-C readiness, functional safety support (IEC 61508 SIL2), and streamlined development with STM32Cube ecosystem integration.
FAQ
What is the maximum operating temperature for STM32G0B1RCT6?
The STM32G0B1RCT6 is rated for operation from -40°C to +125°C, verified per ST's DS13560 Rev 6 specification. This extended temperature grade is achieved through process optimization and validated thermal characterization across all operating modes, making it suitable for enclosed industrial enclosures and automotive under-hood proximity applications.
Does STM32G0B1RCT6 support crystal-less USB Full-Speed operation?
Yes - the device integrates a factory-trimmed 48 MHz HSI48 RC oscillator synchronized to USB Start-of-Frame (SOF) tokens, eliminating the need for an external 48 MHz crystal. This is confirmed in Section 3.9 and Table 45 of DS13560 Rev 6, and enables full USB 2.0 FS device functionality including enumeration and CDC ACM class operation.
How many FDCAN controllers does STM32G0B1RCT6 include, and what standards do they meet?
The STM32G0B1RCT6 integrates two fully independent FDCAN controllers compliant with ISO 11898-1:2015, supporting Classical CAN and CAN FD frames up to 5 Mbps. Each controller has dedicated message RAM, filtering, and FIFOs - documented in Section 3.26 and Table 2 of DS13560 Rev 6 - enabling simultaneous diagnostics and control bus operation.
Is the USB Type-C Power Delivery controller on STM32G0B1RCT6 a standalone subsystem?
Yes - the USB-C PD controller is a dedicated hardware block with integrated PHY, BMC decoder/encoder, and policy engine, independent of the ARM core. It handles PD messaging, voltage/current negotiation, and port role detection per USB PD 3.0 specification, as detailed in Section 3.25 and Figure 13 of DS13560 Rev 6.
STM32G0B1RCT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- Series:
- STM32G0
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 64MHz
- Connectivity:
- CANbus, HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART, USB2.0, USB Type-C™ (Power Delivery)
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 60
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 144K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.7V ~ 3.6V
- Data Converters:
- A/D 19x12b SAR; D/A 2x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32G0B1RCT6 FAQ
1.How can I place an order for STM32G0B1RCT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32G0B1RCT6 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 STM32G0B1RCT6 reliable?
The price and inventory of STM32G0B1RCT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32G0B1RCT6 is usually 5 days.
3.What payment methods are accepted for STM32G0B1RCT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32G0B1RCT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32G0B1RCT6?
STM32G0B1RCT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32G0B1RCT6 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 STM32G0B1RCT6?
For technical support, including STM32G0B1RCT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32G0B1RCT6 requirements.
6.How does Aetrix verify that STM32G0B1RCT6 is sourced from the original manufacturer or authorized distributors?
All STM32G0B1RCT6 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 STM32G0B1RCT6 meets industry standards.
7.What is the process for return or replacement of STM32G0B1RCT6?
All STM32G0B1RCT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32G0B1RCT6, 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 STM32G0B1RCT6 part is unused and in its original packaging.
Return procedure for STM32G0B1RCT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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