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STMicroelectronics STM32G0B1CEU7
- Part No.:
- STM32G0B1CEU7
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-UFQFN Exposed Pad
- Datasheet:
-
STM32G0B1CEU7.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 48UFQFPN
- Quantity:
- Payment:
- Shipping:
Inventory:3,714
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Product details
Overview
STM32G0B1CEU7 from STMicroelectronics is a 32-bit Arm® Cortex®-M0+ microcontroller with 512 KB Flash, 144 KB SRAM, dual 12-bit DACs, two FDCAN controllers, and USB Type-C™ Power Delivery controller - deployed in industrial HMI, smart metering, and USB-C PD source applications requiring high integration and secure firmware execution.
For engineers reviewing the STM32G0B1CEU7 datasheet, STM32G0B1CEU7 pinout, STM32G0B1CEU7 application, or STM32G0B1CEU7 equivalent, key selection criteria include its 64 MHz CPU frequency, 94 fast I/Os (including 5 V-tolerant), dual FDCAN support for automotive-grade communication, and crystal-less USB 2.0 FS device capability.
Technical Context
The STM32G0B1CEU7 integrates an Arm Cortex-M0+ core with MPU, supporting up to 64 MHz operation and hardware parity on 128 KB of its 144 KB SRAM. Its memory subsystem includes dual-bank Flash with read-while-write and securable area for IP protection.
It features a comprehensive clock system: 4–48 MHz HSE oscillator, 32 kHz LSE with calibration, 16 MHz HSI ±1%, and 48 MHz HSI48 for crystal-less USB; all supported by programmable PVD/BOR and four low-power modes (Stop 0/1, Standby, Shutdown) with VBAT backup for RTC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 64 MHz max - enables real-time deterministic control in resource-constrained embedded systems. |
| Flash Memory | 512 KB, dual-bank, read-while-write - supports seamless firmware updates and secure boot partitioning. |
| SRAM | 144 KB total (128 KB with HW parity) - provides robust data buffering and stack space for multitasking RTOS environments. |
| Analog Peripherals | 12-bit ADC (0.4 µs), two 12-bit DACs, three rail-to-rail comparators - enables closed-loop analog sensing and actuation without external components. |
| Communication Interfaces | 6x USART, 3x I2C (Fast-mode Plus), 3x SPI, 2x FDCAN, USB 2.0 FS (crystal-less), USB-C PD controller - consolidates wired connectivity for industrial and power delivery applications. |
| Timers | 15 timers including two 128 MHz-capable advanced timers, RTC with alarm/wakeup - delivers precise motor control, time-stamping, and low-power scheduling. |
| Supply Range | 1.7–3.6 V main, 1.65–3.6 V I/O supply - ensures compatibility with Li-ion battery systems and mixed-voltage PCB designs. |
Pinout & Package
STM32G0B1CEU7 is housed in a 48-pin UFQFPN package (7 × 7 mm, 0.5 mm pitch), RoHS-compliant and ECOPACK2 certified. Pin functions are validated per ST's DS13560 Rev 6, Section 4 (Pinouts and Alternate Functions).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Main power supply and ground | Supports 1.7–3.6 V operation; decoupling required per layout guidelines for noise immunity. |
| VDDA, VSSA | Analog power and ground | Isolated analog domain for ADC/DAC reference stability; must be filtered separately from digital VDD. |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD15, PE0–PE15, PF0–PF1 | General-purpose I/Os | Up to 94 GPIOs, most 5 V-tolerant; configurable as EXTI sources, timer channels, or peripheral AFs. |
| PA9/PA10, PB6/PB7 | USART1/USART2 TX/RX | Hardware UART interfaces supporting LIN, IrDA, auto baud rate detection, and Stop-mode wakeup. |
| PA11/PA12 | USB DM/DP | Crystal-less USB 2.0 Full-Speed interface - eliminates external oscillator, reducing BOM cost and board space. |
| PB8/PB9 | FDCAN1 TX/RX | Dual FDCAN controllers compliant with ISO 11898-1:2015 - enable CAN FD communication at up to 5 Mbit/s for automotive diagnostics and industrial networks. |
Key Features
| Feature | Design Value |
|---|---|
| Secure Boot & ROP | Readout Protection (RDP) Level 2 and securable Flash area prevent firmware extraction and unauthorized code execution. |
| Low-Power Operation | Shutdown mode draws ≤100 nA (typ.) with RTC running on VBAT - extends battery life in always-on edge nodes. |
| USB-C PD Integration | Dedicated USB Type-C Power Delivery controller handles SOP'/SOP" messaging and VCONN switching - eliminates need for external PD PHY. |
| High-Resolution Timing | Two 128 MHz-capable timers with dead-time insertion and complementary outputs - suitable for BLDC motor control and digital power conversion. |
| Robust Analog Front-End | 12-bit ADC with hardware oversampling up to 16-bit resolution and internal temperature sensor/VREFINT - enables precision sensor signal conditioning without external ICs. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
Use Scenario: Touch-enabled local display with real-time energy monitoring and tariff switching. IC Role / Device Role / Timing Role: Main application MCU handling GUI rendering, metrology calculations, and secure communication via FDCAN/USART. Use Value: Dual DACs drive analog meter outputs; 144 KB SRAM buffers waveform data; FDCAN enables interoperability with grid-side concentrators. | Use Scenario: DIN-rail mounted meter with PLC backhaul, optical port, and tamper detection. IC Role / Device Role / Timing Role: System controller managing metrology ADC sampling, RTC-based billing cycles, and secure firmware updates. Use Value: Hardware CRC and Flash ROP protect firmware integrity; VBAT-backed RTC maintains accurate time during mains failure. |
| USB-C Power Adapter | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Compact 65 W GaN adapter negotiating voltage/current with laptop using USB PD 3.0. IC Role / Device Role / Timing Role: USB-C PD policy engine and power path controller coordinating with buck-boost converter. Use Value: Integrated USB-C PD controller replaces discrete transceivers and MCU firmware logic; crystal-less USB reduces component count. | Use Scenario: Modular I/O base supporting analog input, digital output, and fieldbus communication. IC Role / Device Role / Timing Role: Central processing unit managing isolated ADC/DAC, watchdog supervision, and Modbus RTU over RS-485. Use Value: Six USARTs allow simultaneous RS-485, debug, and auxiliary serial links; 5 V-tolerant I/Os simplify level-shifting with industrial sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G0B1CBT6 | LQFP48 package (10 × 10 mm), same Flash/SRAM/peripherals - differs only in mechanical form factor and thermal performance. | Better suited for prototyping and manual soldering; less dense than UFQFPN but easier rework. | Select when board space allows larger footprint and thermal margin is prioritized over miniaturization. |
| STM32G0C1CEU7 | Same UFQFPN48 package, but with 1 MB Flash and enhanced security (AES-256, PKA) - identical pinout and peripheral set. | Required for applications needing larger firmware image size or cryptographic acceleration (e.g., OTA update signing). | Choose when future-proofing for feature-rich firmware or mandatory security compliance (e.g., IEC 62443). |
Compared with STM32G0B1CBT6, the CEU7 offers superior board-level density and thermal efficiency in compact USB-C and metering designs; versus STM32G0C1CEU7, it trades Flash capacity and crypto engines for lower cost and sufficient resources in non-security-critical deployments.
Availability
STM32G0B1CEU7 is available at Aetrix Electronics and suitable for industrial HMI, smart energy metering, and USB-C power delivery applications requiring stable component supply across multi-year production cycles.
Supply support for STM32G0B1CEU7 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, specializing in microcontrollers, power management, and sensing technologies for industrial, automotive, and consumer markets.
The STM32G0 series targets cost-sensitive, power-efficient embedded applications - delivering Cortex-M0+ performance with advanced analog integration, security, and USB-C readiness in compact packages.
FAQ
What is the maximum operating temperature range for STM32G0B1CEU7?
The STM32G0B1CEU7 is qualified for industrial operation from –40°C to +125°C ambient temperature, verified per JEDEC JESD47 and ST's internal qualification standards. This rating applies to all package variants including UFQFPN48, enabling deployment in harsh environments like motor drives and outdoor energy infrastructure.
Does STM32G0B1CEU7 support hardware encryption?
No, STM32G0B1CEU7 does not include dedicated hardware accelerators for AES, SHA, or PKA. It relies on software libraries for cryptographic operations. For hardware-accelerated security, ST recommends the STM32G0C1 or STM32L5 series, which integrate AES-256 and public-key accelerators.
Can the internal 48 MHz RC oscillator be used for USB full-speed operation?
Yes - the HSI48 oscillator is factory-trimmed to ±0.25% accuracy and explicitly qualified for crystal-less USB 2.0 Full-Speed operation. No external crystal or trimming circuitry is required, reducing bill-of-materials cost and PCB area in USB-C PD and HID applications.
How many I/O pins support 5 V tolerance on STM32G0B1CEU7?
Up to 71 I/O pins on the STM32G0B1CEU7 are 5 V-tolerant when configured in input, output, or alternate function modes - confirmed in Section 5.3.14 (I/O port characteristics) of DS13560 Rev 6. This simplifies interfacing with legacy 5 V peripherals without level shifters.
STM32G0B1CEU7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-UFQFN Exposed Pad
- Series:
- STM32G0
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 64MHz
- Connectivity:
- CANbus, HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 44
- Program Memory Size:
- 512KB (512K 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 17x12b SAR; D/A 2x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32G0B1CEU7 FAQ
1.How can I place an order for STM32G0B1CEU7 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32G0B1CEU7 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 STM32G0B1CEU7 reliable?
The price and inventory of STM32G0B1CEU7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32G0B1CEU7 is usually 5 days.
3.What payment methods are accepted for STM32G0B1CEU7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32G0B1CEU7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32G0B1CEU7?
STM32G0B1CEU7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32G0B1CEU7 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 STM32G0B1CEU7?
For technical support, including STM32G0B1CEU7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32G0B1CEU7 requirements.
6.How does Aetrix verify that STM32G0B1CEU7 is sourced from the original manufacturer or authorized distributors?
All STM32G0B1CEU7 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 STM32G0B1CEU7 meets industry standards.
7.What is the process for return or replacement of STM32G0B1CEU7?
All STM32G0B1CEU7 units undergo pre-shipment inspection (PSI). If there is an issue with STM32G0B1CEU7, 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 STM32G0B1CEU7 part is unused and in its original packaging.
Return procedure for STM32G0B1CEU7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32G0B1CEU7 Tags
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