STM32G030K8T6 - 64MHz Cortex-M0+ MCU, 64KB Flash | ST
MPN: STM32G030K8T6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.65 | $1.65 |
| 10 | $1.5 | $15.00 |
| 100 | $1.32 | $132.00 |
| 500 | $1.15 | $575.00 |
| 1,000 | $1.02 | $1,020.00 |
STM32G030K8T6 Overview
An MCU (microcontroller unit) is a single-chip computer that integrates a processor core, program memory, data memory, and peripheral interfaces into one IC. Within the microcontroller hierarchy, the STM32G030K8T6 belongs to the STM32 mainstream value-line family, positioned as a cost-optimized entry point into the broader STM32 ecosystem and general-purpose embedded processor market.
Key features include the high-performance Cortex-M0+ 32-bit RISC core at 64 MHz, 64 KB of embedded Flash with ECC option, 8 KB of SRAM, and flexible connectivity peripherals. The device integrates USART, I2C (Standard-mode 100 kbit/s, Fast-mode 400 kbit/s, and Fast-mode Plus 1 Mbit/s per the I2C-bus specification rev. 5 compatibility noted in the ST datasheet), and SPI interfaces, plus a 12-bit ADC, timers, and a real-time clock calendar. Operating from a 2.0V to 3.6V supply, it suits battery-powered and industrial designs.
Technically, the STM32G0 Series leverages ST's 90 nm embedded-Flash process and an ART-accelerated memory interface, achieving efficient zero-wait-state execution for most code paths. The low-power modes (Sleep, Stop, Standby) reduce consumption for always-on applications, and the core keeps legacy 8/16-bit MCU workloads simple while offering 32-bit performance.
Typical applications include industrial automation, consumer appliances, IoT sensor nodes, power tools, and simple motor-control tasks where cost and low power matter more than maximum processing throughput.
When designing, budget the 8 KB SRAM carefully, as it is the most common constraint when scaling firmware; enable the hardware ECC and brown-out reset options to harden safety-critical code.
This page synthesizes distributor pricing, pin-to-pin family alternatives, and practical design notes not found on a single manufacturer or distributor page.
Drop-in alternatives for STM32G030K8T6 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STM32G030K6T6
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
STM32G031K8T6
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
STM32G041K8T6
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
STM32G030K8T6 Maximum Ratings & Electrical Characteristics
| Core | Arm Cortex-M0+ 32-bit RISC |
| Maximum CPU Frequency | 64 MHz |
| Flash Memory | 64 KB (64K x 8) |
| SRAM | 8 KB |
| Supply Voltage Range | 2.0 V to 3.6 V |
| I2C Speed Modes | Sm 100 kbit/s, Fm 400 kbit/s, Fm+ 1 Mbit/s |
| Package | 32-LQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| ADC Resolution | 12-bit |
| Communication Interfaces | USART, SPI, I2C |
| Series | STM32G0 mainstream value line |
| Low-Power Modes | Sleep, Stop, Standby |
| Timers | General-purpose timers with PWM |
| RTC | Real-time clock calendar |
| RoHS Status | Compliant |
| MSL Level | MSL 3 (per PartGenie data) |
STM32G030K8T6 Pin Configuration
| Pin 1 | VDD β Power supply (2.0V to 3.6V) |
| Pin 2 | PF0 / OSC_IN β GPIO or external oscillator input |
| Pin 3 | PF1 / OSC_OUT β GPIO or external oscillator output |
| Pin 4 | NRST β System reset (active low) |
| Pin 5 | VDDA β Analog power supply for ADC |
| Pin 6 | PA0 β GPIO / ADC input / WKUP |
| Pin 7 | PA1 β GPIO / ADC input |
| Pin 8 | PA2 β GPIO / USART2_TX / ADC |
| Pin 9 | PA3 β GPIO / USART2_RX / ADC |
| Pin 10 | PA4 β GPIO / SPI1_NSS / ADC / DAC |
| Pin 11 | PA5 β GPIO / SPI1_SCK / ADC |
| Pin 12 | PA6 β GPIO / SPI1_MISO / ADC |
| Pin 13 | PA7 β GPIO / SPI1_MOSI / ADC |
| Pin 14 | PB0 β GPIO / ADC input |
| Pin 15 | PB1 β GPIO / ADC input |
| Pin 16 | VSS β Ground |
| Pin 17 | VDD β Power supply |
| Pin 18 | PA8 β GPIO / USART1_CK / MCO |
| Pin 19 | PA9 β GPIO / USART1_TX |
| Pin 20 | PA10 β GPIO / USART1_RX |
| Pin 21 | PA11 β GPIO / TIM1_CH4 |
| Pin 22 | PA12 β GPIO / TIM1_ETR |
| Pin 23 | PA13 / SWDIO β GPIO / Serial wire debug data |
| Pin 24 | PA14 / SWCLK β GPIO / Serial wire debug clock |
| Pin 25 | PA15 β GPIO / SPI1_NSS / TIM2_CH1 |
| Pin 26 | PB3 β GPIO / SPI1_SCK / TIM2_CH2 |
| Pin 27 | PB4 β GPIO / SPI1_MISO / TIM2_CH3 |
| Pin 28 | PB5 β GPIO / SPI1_MOSI / TIM2_CH4 |
| Pin 29 | PB6 β GPIO / I2C1_SCL / USART1_TX |
| Pin 30 | PB7 β GPIO / I2C1_SDA / USART1_RX |
| Pin 31 | PB8 / BOOT0 β GPIO / boot mode selection |
| Pin 32 | PB9 β GPIO / I2C1_SCL (alt) |
Typical Applications
STM32G030K8T6 is suitable for 6 applications: Industrial Automation and Control, IoT Sensor Nodes, Consumer Appliances, Power Tools and Battery Chargers, Motor Control (Small Motors), Debugging and Rapid Prototyping.
Industrial Automation and Control
The STM32G030K8T6 fits industrial automation nodes that need deterministic, low-cost control: its 64 MHz Cortex-M0+ core handles PWM generation, encoder counting, and Modbus-style UART protocols, while the industrial temperature option and wide 2.0V to 3.6V supply tolerate noisy factory power rails. In a typical sensor-and-actuator node, the 12-bit ADC samples analog transducers, SPI/I2C connect digital sensors, and USART links to RS-485 transceivers. Because the LQFP-32 footprint is small and hand-solderable, it integrates into dense PLC I/O boards. Compared with an 8-bit MCU, it delivers 32-bit math for scaling and filtering at near-comparable cost, which is why it is a common upgrade path in legacy industrial designs.
Recommended
IoT Sensor Nodes
For battery-powered IoT sensor nodes, the STM32G030K8T6 balances compute and low power: Stop and Standby modes cut current between radio transmissions, and the RTC keeps time-of-day scheduling alive during sleep. The 8 KB SRAM accommodates lightweight MQTT or CoAP stacks with buffering, while I2C Fast-mode Plus (1 Mbit/s per the I2C-bus spec rev. 5 noted by ST) services environmental sensors quickly so the node can return to sleep within milliseconds. The 12-bit ADC digitizes battery voltage and analog sensors without an external converter. Developers typically pair it with a sub-GHz or BLE radio module over UART, exploiting DMA to move bytes with the CPU parked, stretching coin-cell or single-cell lithium life.
Recommended
Consumer Appliances
Consumer appliance control - fans, kettles, chargers, small pumps - is a core target for the STM32G030 value line. The STM32G030K8T6 generates PWM for motor speed or heater control using its general-purpose timers, reads buttons and encoders on GPIOs, and drives segment LEDs or communicates with display drivers over I2C/SPI. The 64 MHz core executes proportional-integral control loops comfortably, and the built-in brown-out reset plus option-byte watchdog configuration improve product reliability in mains-noise environments. Its roughly one-dollar-class pricing at volume and 7x7 mm LQFP-32 footprint let appliance makers replace discrete logic and older 8-bit MCUs while keeping board area and BOM cost tight in high-volume manufacturing.
Recommended
Power Tools and Battery Chargers
Cordless power tools and smart chargers benefit from the STM32G030K8T6's combination of PWM timers, 12-bit ADC, and robust 2.0V to 3.6V operation backed by the battery-protection option bytes. In a charger, the MCU regulates charge current via PWM to a buck stage, monitors cell voltage and temperature through the ADC, and communicates charge status to a fuel gauge or host over I2C. In a tool trigger control, it enforces soft-start and stall protection with millisecond loop latency from the 64 MHz core. The small 8 KB SRAM is adequate for state machines, and hardware ECC options on Flash help firmware survive vibration-heavy, electrically noisy environments typical of motor-driven products.
Recommended
Motor Control (Small Motors)
For small brushed and stepper motor control, the STM32G030K8T6 provides multiple general-purpose timers with complementary PWM outputs, dead-time-capable drive sequencing for simple bridges, and fast ADC current sampling for closed-loop torque limiting. The 64 MHz Cortex-M0+ executes six-step commutation and ramp profiles with deterministic latency, while hardware DMA offloads UART command interfaces. Because it is a value-line device, designers achieve adequate motor control performance at the lowest STM32 price point; a 32 kHz internal oscillator option removes external crystals in cost-driven boards. Typical circuits pair the MCU with a discrete gate driver or integrated motor driver IC over GPIO/PWM, with the ADC tracking back-EMF or shunt current for protection.
Recommended
Debugging and Rapid Prototyping
The STM32G030K8T6 is an excellent prototyping vehicle because it runs the full STM32 software ecosystem: STM32CubeIDE, STM32CubeMX code generation, HAL/LL libraries, and low-cost ST-LINK debugging via the SWD pins (PA13 SWDIO, PA14 SWCLK). A first proof-of-concept typically uses an Nucleo-style board or a minimal LQFP-32 carrier with a 100 nF decoupling network per VDD pin and the NRST line brought to a header. Code written against the G0 HAL ports directly to larger G0/G4 parts later, protecting software investment. The 64 KB Flash leaves generous headroom for instrumented test firmware, and the I2C/SPI/USART peripherals let engineers exercise sensors and radios within hours of unboxing.
Recommended
Recommended Products Summary
Engineering reference data for STM32G030K8T6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32G030K6T6 | STM32G031K8T6 | STM32G041K8T6 |
|---|---|---|---|---|
| Package | 32-LQFP (7x7 mm) | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core / Frequency | Cortex-M0+ / 64 MHz | Cortex-M0+ / 64 MHz | Cortex-M0+ / 64 MHz | Cortex-M0+ / 64 MHz |
| Flash Memory | 64 KB | 32 KB | 64 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB |
| Peripheral Level | Value line (basic set) | Value line (basic set) | Access line (enhanced peripherals) | Access line + AES security |
| Relative Cost | Baseline (lowest) | Lower (smaller Flash) | Slightly higher | Higher (security features) |
| Lifecycle Status | Active | Active | Active | Active |
Key Differentiators
- Double the program memory at the same price class (vs STM32G030K6T6)
- Lowest cost within pin-compatible 64 KB options (vs STM32G031K8T6)
- No security features required to pay for (vs STM32G041K8T6)
Design Notes
Place a 100 nF ceramic decoupling capacitor at each VDD/VDDA pin, as close to the pin as possible, plus bulk capacitance of 4.7 uF to 10 uF near the device. Connect VDDA to VDD through a filter network (ferrite bead or 10-ohm resistor plus 1 uF capacitor) if ADC accuracy matters, since switching noise on the digital rail degrades effective number of bits. Estimated: with 64 MHz full-speed execution drawing on the order of a few mA (see the datasheet current-consumption tables for exact figures), IR drop is negligible on typical 3.3V rails, so decoupling - not regulation - is the main design focus.
On a 7x7 mm LQFP-32, keep the crystal (if used on PF0/PF1) within a few millimeters of the pins over a solid ground plane, with load capacitors sized per the crystal specification. Route the SWDIO/SWCLK debug pair (PA13/PA14) to a 4-pin header on every production board - debugging without it requires soldering. Reserve NRST access as well. Keep ADC input traces (PA0-PA7, PB0, PB1) short and away from PWM lines to limit crosstalk into analog samples.
The most frequent G0-series pitfalls: (1) BOOT0 (PB8) must not float - tie it through a 10 k-ohm resistor to GND for normal Flash boot, or the device may enter the system bootloader; (2) 8 KB SRAM fills quickly with HAL-based code and buffers - enable the linker's stack-usage report; (3) option bytes controlling watchdog and brown-out reset must be programmed deliberately, since defaults may be too permissive for safety-relevant products; (4) re-mapped pin functions differ slightly between F0 and G0 - do not assume F0 register layouts when porting.
Compliance Information
RoHS compliant per PartGenie data. MSL 3 per PartGenie. REACH, halogen-free, and conflict-minerals status not stated in provided data.
