STM32G0B1CEU6 - 64MHz Cortex-M0+ MCU, 512KB Flash | ST
MPN: STM32G0B1CEU6 ✓ ActiveSTM32G0B1CEU6 Overview
A microcontroller is a programmable system-on-chip that integrates a processor core, nonvolatile program memory, volatile data memory, and peripherals such as serial interfaces, timers, and analog conversion blocks. The STM32G0B1CE is part of STMicroelectronics' mainstream STM32G0 family, positioned between simple microcontroller designs and more feature-dense embedded platforms. Its Arm Cortex-M0+ architecture supports efficient event-driven control while retaining a broad ecosystem of development tools and software libraries.
The principal specifications include an Arm Cortex-M0+ 32-bit RISC core operating at up to 64 MHz, 512 KB of flash with protection and a securable area, two flash banks, and read-while-write support. Up to 144 KB of RAM supports working data and protocol buffers. Six USART interfaces enable simultaneous serial connectivity, while the 1.8 V to 3.3 V operating range supports low-voltage industrial, consumer, and communication equipment.
The STM32G0B1xB, STM32G0B1xC, and STM32G0B1xE devices share the same mainstream Arm Cortex-M0+ platform. This makes the STM32G0B1CEU6 appropriate for applications requiring more memory and serial channels than entry-level devices without moving to a larger MCU architecture. The secure flash organization and dual-bank capability can support controlled firmware updates and protected code areas, subject to the detailed configuration procedures in the manufacturer documentation.
Typical uses include industrial control panels, connected building equipment, data loggers, serial gateways, access-control terminals, and compact consumer appliances. Six USART channels can bridge multiple sensors, radio modules, display controllers, or service interfaces, while the 512 KB flash capacity accommodates networking stacks, protocol handlers, and application firmware. The industrial temperature option extends the operating range to -40°C to 85°C according to the LCSC listing.
PCB design should preserve access to the exposed pad and provide low-impedance supply and ground connections. Decoupling capacitors should be placed directly beside the relevant power pins, while serial interfaces require deliberate signal-routing and grounding practices. Firmware should also be validated against the exact STM32G0B1CE device revision because peripheral behavior, errata, and low-power settings are controlled by the manufacturer documentation.
This product page combines verified distributor pricing, availability, package information, interface counts, and manufacturer series information with practical application and design guidance. It distinguishes confirmed STM32G0B1CEU6 facts from parameters that still require verification from the complete device datasheet.
Drop-in alternatives for STM32G0B1CEU6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with STM32G0B1CEU6 (same form factor and footprint) — differing in Flash Memory, Package, Product Type, USART Count.
No drop-in alternatives available for this product.
Request AlternativesSTM32G0B1CEU6 Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit Arm Cortex-M0+ microcontroller |
| Maximum CPU Frequency | 64 MHz |
| Flash Memory | 512 KB |
| RAM | Up to 144 KB |
| Supply Voltage Options | 1.8 V, 2.5 V, or 3.3 V |
| USART Count | 6 |
| Flash Organization | Two banks |
| Flash Read-While-Write | Supported |
| Flash Protection | Supported |
| Securable Flash Area | Supported |
| Operating Temperature | -40°C to 85°C for the listed STM32G0B1CEU6 configuration |
| Package | 48-pin UFQFPN, 7 mm x 7 mm |
| Exposed Pad | Present |
| Mounting Type | Surface mount |
| Shipping Format | Tray |
| Product Status | Active |
| RoHS Compliance | RoHS compliant; Ecopack2 industrial grade |
STM32G0B1CEU6 48-pin ufqfpn, 7 mm x 7 mm Pin Configuration Guide
Pin configuration for STM32G0B1CEU6 (48-pin ufqfpn, 7 mm x 7 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for STM32G0B1CEU6.
Refer to the datasheet for full pin configuration.
Typical Applications
STM32G0B1CEU6 is suitable for 6 applications: Industrial Control Panel, Serial Communication Gateway, Building Automation Controller, Data Logger, Access-Control Terminal, Connected Appliance Controller.
Industrial Control Panel
The STM32G0B1CEU6 is suitable for an industrial control panel requiring a 64 MHz Cortex-M0+ core, 512 KB of flash, and six USART channels. Its 144 KB RAM can support interface buffers and panel state, while the 1.8 V to 3.3 V supply options accommodate mixed-voltage subsystems. Use the six serial channels for local sensors, operator interfaces, or service connections, and validate the -40°C to 85°C configuration for the stated industrial envelope.
Recommended
Serial Communication Gateway
The STM32G0B1CEU6 fits a multi-protocol gateway because six USART peripherals can connect several field devices through a single compact controller. Its 512 KB of flash provides room for protocol conversion and field-upgrade routines, while the 64 MHz core supports responsive packet processing. The engineer should allocate baud-rate and buffering margins in firmware and confirm each USART's exact package pin before schematic release.
Recommended
Building Automation Controller
The STM32G0B1CEU6 can serve as a low-voltage building automation controller that coordinates serial sensors, actuators, and local communications. Six USART channels reduce the need for separate interface components, and the 1.8 V to 3.3 V operating choices simplify mixed-voltage power planning. Firmware should include communication retries and peripheral fault recovery because unattended controllers may operate continuously across the listed -40°C to 85°C range.
Recommended
Data Logger
The STM32G0B1CEU6 is appropriate for a compact data logger combining local sensor acquisition with serial device support. Its 512 KB flash stores firmware and application code, while up to 144 KB of RAM can hold acquisition buffers before data is transferred. The six USART channels allow connection to storage or radio modules, but designers should include file-integrity, brownout, and write-endurance strategies for persistent records.
Recommended
Access-Control Terminal
The STM32G0B1CEU6 supports access-control terminals that need several serial peripherals for readers, communications, and service functions. Its protected and securable flash area can help isolate credential-handling code, while the two-bank organization and read-while-write support provide useful foundations for controlled firmware updates. Security configuration and update procedures must follow the manufacturer's guidance rather than relying solely on application-level protection.
Recommended
Connected Appliance Controller
The STM32G0B1CEU6 fits connected appliances requiring local control, serial connectivity, and room for a substantial embedded application. The 64 MHz core handles responsive user-interface and actuator tasks, while six USART channels can serve displays, sensors, and wireless modules. A 48-pin 7 mm by 7 mm UFQFPN keeps the controller compact, although final placement must account for the exposed pad and the device's thermal requirements.
Recommended
Recommended Products Summary
Engineering reference data for STM32G0B1CEU6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Package | 48-pin UFQFPN, 7 mm x 7 mm |
| Brand | STMicroelectronics |
| CPU Core | Arm Cortex-M0+ |
| Maximum Frequency | 64 MHz |
| Flash Memory | 512 KB |
| RAM | Up to 144 KB |
| USART Count | 6 |
| Supply Voltage | 1.8 V, 2.5 V, or 3.3 V |
| Price as of 2026-10-29 | $3.5791 single-unit reference price |
Key Differentiators
- Six integrated USART peripherals support several concurrent serial links (vs STM32G0B1CBT6)
- Substantial memory for embedded control and communication firmware (vs STM32G0B1KET6)
- Compact 48-pin UFQFPN implementation for connected equipment (vs STM32G031K8U6)
Design Notes
Treat the exposed pad as both a thermal and electrical design feature. Follow the manufacturer's land pattern, connect the pad to the intended ground or supply plane, and minimize thermal resistance through uninterrupted copper. Do not copy a generic QFN footprint without checking pad dimensions and mask geometry. A thermal estimate cannot be completed from the verified data because the device's maximum power dissipation, junction temperature, and package thermal resistance were not supplied.
Place the required decoupling capacitors immediately beside their associated power and ground pins, using the shortest possible current-loop paths. Provide a continuous ground reference beneath the device and route high-current or fast-edge signals away from sensitive analog and communication traces. The exposed-pad via pattern must be checked against the official package drawing and PCB-fabricator capabilities rather than relying on a generic via arrangement.
Do not assume that members of the STM32G0B1xB, STM32G0B1xC, and STM32G0B1xE families are interchangeable at the software or board level. Confirm the exact order code, pinout, flash organization, exposed-pad connection, and peripheral assignment before release. The supplied evidence does not include the complete pin table or absolute maximum ratings, so schematic approval should remain contingent on review of the current manufacturer documentation.
Review all six USART routes against the final pin assignment and maintain consistent ground references beneath long serial traces. Separate clocked, high-current, and externally accessible lines from protected flash and communication interfaces where practical. Because no verified pinout was supplied, the PCB library must be checked pin by pin against the manufacturer drawing rather than generated only from the package name.
Compliance Information
The comparison data identifies the device as RoHS compliant with Ecopack2 industrial grade. No verified REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statement was supplied. AEC-Q100 is not applicable to the listed industrial configuration, but a dedicated automotive order code should be reviewed separately.
