Item specifics
Description
STM32G050C8T6 is a Cortex-M0+ MCU at 64 MHz, LQFP-48. 64 KB Flash, 18 KB SRAM, 12-bit ADC (14 ch), LP timers, RTC, 2×USART, 1×SPI/I2S, 1×I2C. 44 x 5 V-tolerant I/Os. 2.0–3.6 V, -40–85 °C. Removes the analog comparator found in STM32G030 while boosting SRAM to 18 KB, offering better value for data-buffering applications.
Core: Cortex-M0+ 64 MHz Memory: 64 KB Flash, 18 KB SRAM Analog: 12-bit ADC (14 ch) Connectivity: 2×USART, 1×SPI/I2S, 1×I2C Timers: Advanced PWM, 2×GP, 1×Basic, LP timers, RTC I/Os: 44 (5 V-tolerant) Package: LQFP-48
Consumer electronics, home appliances, industrial sensors, lighting control, IoT nodes, cost-effective general-purpose embedded systems
64 MHz Cortex-M0+ with low power consumption 18 KB SRAM offers larger data space than peers 12-bit ADC with 14-channel flexible acquisition 44 I/Os in 48-pin, high integration Wide 2.0–3.6 V for battery operation
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FAQ
1. What is the STM32G050C8T6, and where is it positioned in the STM32G0 series?
The STM32G050C8T6 is an entry‑level MCU from STMicroelectronics' STM32G0 series, built around a 64 MHz Arm® Cortex®‑M0+ core in an LQFP‑48 package. Positioned as the most cost‑optimized baseline model in the G0 family, it removes advanced communication features like USB and CAN FD, keeping only 64 KB Flash, 18 KB SRAM, essential UART/SPI/I²C interfaces, and a 12‑bit ADC. It is purpose‑designed for fixed‑function, cost‑sensitive, simple embedded applications such as small appliances, basic sensor nodes, and simple motor control.
2. How does the STM32G050C8T6 differ from the G070CBT6, and why is it so affordable?
The G050 is the most streamlined model in the G0 series. Compared to the G070, it further reduces Flash (64 KB vs. 128 KB) and SRAM (18 KB vs. 36 KB), and removes some analog peripherals such as comparators. These simplifications push the cost even lower, making the G050C8T6 ideal for high‑volume applications with well‑defined memory and peripheral requirements where firmware is tightly optimized. If you do not need large memory or advanced analog features, the G050 can deliver significant BOM cost savings.
3. Are 64 KB Flash and 18 KB SRAM sufficient? What kind of programs can they run?
This memory configuration is designed for highly optimized bare‑metal code or an extremely lightweight RTOS kernel. The 64 KB Flash can accommodate streamlined sensor drivers, UART/SPI communication routines, and basic control logic. The 18 KB SRAM requires careful variable management, but is perfectly adequate for single‑function applications—such as reading a sensor and transmitting data over serial, or simple on/off control. If your code footprint may grow, you can seamlessly upgrade to the pin‑compatible 128 KB G070CBT6 with zero hardware changes.
4. Does this chip have a USB or CAN interface? What if I need communication capabilities?
The G050C8T6 does not integrate USB or CAN FD controllers. Its communication relies entirely on UART, SPI, and I²C interfaces. If you need USB, you can add an external USB‑UART chip such as the CH340. If you require CAN bus, you can upgrade to the pin‑compatible G071CBT6 (with built‑in FDCAN controller) with minimal hardware changes.
5. What is its power consumption like? Is it suitable for battery‑powered devices?
Excellent. The G0 series features a run‑mode current of about 100 µA/MHz and supports multiple low‑power modes—Sleep, Stop, and Standby—with Standby current dropping to the micro‑amp range while retaining the RTC and backup registers. Combined with fast wake‑up times, it can easily achieve years of battery life, making it ideal for wireless sensor nodes, portable medical devices, and outdoor monitoring tools.
6. Is the LQFP‑48 package easy to solder? Is low‑volume hand assembly feasible?
Very easy. The LQFP‑48 has all pins exposed with a 0.5 mm pitch and can be drag‑soldered with a standard iron and flux—no hot‑air station required. Its 7 mm × 7 mm size strikes a good balance between compactness and manual handling, making it an excellent choice for hobbyists, students, and small teams for prototyping and low‑volume production.
7. What development tools are needed for the STM32G050C8T6? Is it compatible with the previous STM32 ecosystem?
It is fully compatible with the STM32Cube ecosystem, including the free STM32CubeMX and STM32CubeIDE, along with the STM32CubeG0 firmware package. Code from STM32F0 or F1 projects can be largely reused, with the main adjustments being peripheral configuration and pin mapping. For rapid prototyping, the NUCLEO‑G070RB or NUCLEO‑G071RB boards provide a highly compatible starting point for straightforward code migration.
8. What are the main upgrades of the STM32G050C8T6 over the STM32F0 series?
Compared to the STM32F0, the G050 series offers significant improvements: core frequency increases from 48 MHz to 64 MHz; Flash and SRAM capacities are larger (64 KB/18 KB vs. typical 16–32 KB/4–8 KB on the F0); the ADC is more advanced; and overall power management is more refined. It delivers better processing performance and energy efficiency at an entry‑level price, making it an ideal replacement and upgrade for F0 designs.
9. If I later need larger Flash or USB/CAN functionality, what upgrade options are available?
You can directly upgrade to the pin‑compatible STM32G070CBT6 (128 KB Flash, 36 KB SRAM) or STM32G071CBT6 (adds USB‑C and FDCAN), with zero hardware changes. If you need greater real‑time processing power (e.g., DSP instructions, FPU), consider moving to the STM32G4 series (Cortex‑M4, 170 MHz). All these upgrades remain within the same STM32Cube ecosystem, allowing extensive code reuse and minimal migration effort.
10. In the 48‑pin package, is the GPIO count generous enough? How many peripherals can it connect?
The chip provides up to 44 general‑purpose I/Os, which is very generous for a 48‑pin package. Even if a system needs to simultaneously connect multiple UARTs, SPIs, I²C devices, analog sensors, PWM outputs, and digital switches, it can handle them without external I/O expanders. For cost‑sensitive, I/O‑intensive small‑to‑medium‑scale control systems, the G050C8T6 delivers exceptionally high integration.