STM32G030C6T6 - Cortex-M0+ MCU, 64MHz, 32KB Flash, LQFP-48
MPN: STM32G030C6T6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.95 | $1.95 |
| 10 | $1.78 | $17.80 |
| 100 | $1.55 | $155.00 |
| 500 | $1.32 | $660.00 |
| 1,000 | $1.15 | $1,150.00 |
| 3,000 | $0.98 | $2,940.00 |
STM32G030C6T6 Overview
An Arm Cortex-M0+ microcontroller is a low-power 32-bit processor core based on the Armv6-M architecture, optimized for energy-efficient embedded designs. It belongs to the broader category of microcontrollers (MCUs), which integrate CPU, memory, and peripherals on a single die. The Cortex-M0+ sits below Cortex-M3/M4 in performance but excels at deterministic interrupt response and minimal energy per instruction, making it ideal for sensor nodes, human-machine interfaces (HMI), and battery-powered consumer devices. The STM32G0 family represents ST's entry-level mainstream line, balancing 8-bit MCU cost with 32-bit performance.
Key features include the Cortex-M0+ core with single-cycle I/O access, hardware CRC, real-time clock, low-power Run/Stop/Standby/Shutdown modes, and an operating temperature range of -40C to +85C. The device integrates an 11-channel 12-bit ADC (2.5 Msps), multiple timers, and serial interfaces including USART, SPI, and I2C (with Fast-mode Plus support up to 1 Mbit/s). The integrated voltage regulator and brown-out reset simplify power-supply design across 2.0V to 3.6V supplies.
Technical depth: the STM32G030C6T6 uses ST's 90 nm process with on-chip voltage scaling, achieving typical Run-mode current under 1 mA/MHz and Stop-mode current in the microamp range. The single-wire debug (SWD) interface and integrated bootloader shorten firmware bring-up. Hardware parity on SRAM catches single-bit faults in safety-relevant code.
Typical applications include small appliance controls, USB Type-C cable marker ICs, simple HMI panels (buttons, LEDs), and sensor hubs. The wide operating voltage allows direct battery connection in 2xAA or coin-cell systems.
Design consideration: leverage the LQFP-48 (7x7 mm) package's exposed pad for thermal relief; if unused, leave it floating or stitch to ground per ST's design recommendations.
This page combines authoritative ST datasheet data, drop-in alternates, and practical design notes to support engineer selection and second-sourcing decisions.
Drop-in alternatives for STM32G030C6T6 — 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 STM32G030C6T6 (same form factor and footprint) — differing in ADC, Flash Memory, Package, SRAM, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32G030C8T6
✅ Drop-In✓ In Stock
$1.47 / Unit
View Datasheet →STM32G030K6T6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32G031C6T6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32C011F6P6
✅ Drop-In📋 Reference alternative (not in catalog)
GD32E230G6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32G030C6T6 Maximum Ratings & Electrical Characteristics
| Core Architecture | Arm Cortex-M0+ (32-bit) |
| Maximum Clock Frequency | 64 MHz |
| Flash Memory | 32 KB (32K x 8) |
| SRAM | 8 KB with hardware parity |
| Operating Voltage Range | 2.0 V to 3.6 V |
| Operating Temperature Range | -40 C to +85 C |
| Package | 48-LQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| ADC | 12-bit, 2.5 Msps, up to 11 channels |
| I2C | Up to 1 Mbit/s (Fast-mode Plus) |
| Timers | 16-bit and 32-bit timers (per datasheet) |
| RTC | Yes |
| Debug Interface | SWD (Single-Wire Debug) |
| MSL Level | MSL 3 (per PartGenie datasheet summary) |
| RoHS Compliance | Compliant (per PartGenie) |
STM32G030C6T6 Pin Configuration
| Pin 1 | PB7 — General-purpose I/O / I2C1_SDA |
| Pin 2 | PB8 — General-purpose I/O / TIM16_CH1 |
| Pin 3 | PB9 — General-purpose I/O / I2C1_SCL |
| Pin 4 | VDD — Main power supply (2.0V-3.6V) |
| Pin 5 | VSS — Ground |
| Pin 6 | OSC_IN — External clock input (HSE) |
| Pin 7 | OSC_OUT — External clock output (HSE) |
| Pin 8 | NRST — Reset input (active-low) |
| Pin 9 | VSSA — Analog ground |
| Pin 10 | VDDA — Analog power supply |
| Pin 11 | PA0 — GPIO / ADC_IN0 / WKUP |
| Pin 12 | PA1 — GPIO / ADC_IN1 |
| Pin 13 | PA2 — GPIO / ADC_IN2 / USART2_TX |
| Pin 14 | PA3 — GPIO / ADC_IN3 / USART2_RX |
| Pin 15 | PA4 — GPIO / ADC_IN4 / SPI1_NSS |
| Pin 16 | PA5 — GPIO / ADC_IN5 / SPI1_SCK |
| Pin 17 | PA6 — GPIO / ADC_IN6 / SPI1_MISO / TIM3_CH1 |
| Pin 18 | PA7 — GPIO / ADC_IN7 / SPI1_MOSI / TIM3_CH2 |
| Pin 19 | PB0 — GPIO / ADC_IN8 / TIM3_CH3 |
| Pin 20 | PB1 — GPIO / ADC_IN9 / TIM3_CH4 |
| Pin 21 | PB2 — GPIO / BOOT1 |
| Pin 22 | PB10 — GPIO / I2C2_SCL / USART3_TX |
| Pin 23 | PB11 — GPIO / I2C2_SDA / USART3_RX |
| Pin 24 | VSS — Ground |
| Pin 25 | VDD — Main power supply |
| Pin 26 | PB12 — GPIO / SPI2_NSS / TIM1_BKIN |
| Pin 27 | PB13 — GPIO / SPI2_SCK / TIM1_CH1N |
| Pin 28 | PB14 — GPIO / SPI2_MISO / TIM1_CH2N |
| Pin 29 | PB15 — GPIO / SPI2_MOSI / TIM1_CH3N |
| Pin 30 | PA8 — GPIO / TIM1_CH1 / USART1_CK / MCO |
| Pin 31 | PA9 — GPIO / TIM1_CH2 / USART1_TX |
| Pin 32 | PA10 — GPIO / TIM1_CH3 / USART1_RX |
| Pin 33 | PA11 — GPIO / CAN1_RX / TIM1_CH4 / USART1_CTS |
| Pin 34 | PA12 — GPIO / CAN1_TX / TIM1_ETR / USART1_RTS |
| Pin 35 | PA13 — GPIO / SWDIO (debug data) |
| Pin 36 | PA14 — GPIO / SWCLK (debug clock) |
| Pin 37 | PA15 — GPIO / SPI1_NSS / TIM2_CH1 |
| Pin 38 | PB3 — GPIO / SPI1_SCK / TIM2_CH2 / SWO |
| Pin 39 | PB4 — GPIO / SPI1_MISO / TIM3_CH1 |
| Pin 40 | PB5 — GPIO / SPI1_MOSI / TIM3_CH2 |
| Pin 41 | PB6 — GPIO / USART1_TX / TIM16_CH1N |
| Pin 42 | VSS — Ground |
| Pin 43 | VDD — Main power supply |
| Pin 44 | PC14 — GPIO / OSC32_IN (LSE) |
| Pin 45 | PC15 — GPIO / OSC32_OUT (LSE) |
| Pin 46 | PA6 — GPIO (alternate position) |
| Pin 47 | PA7 — GPIO (alternate position) |
| Pin 48 | VSS — Ground (thermal pad optional) |
Typical Applications
STM32G030C6T6 is suitable for 6 applications: Small Appliance Control, USB Type-C Cable Marker / Connector IC, Human-Machine Interface (Button / LED Panels), Industrial Sensor Hubs and Modbus Nodes, IoT Edge Sensor Nodes (Wi-Fi/BLE Co-Processor), Consumer Toys and Hobbyist Drones.
Small Appliance Control
The STM32G030C6T6's 64 MHz Cortex-M0+ core and 32 KB Flash deliver responsive control loops for small appliances like coffee makers, blenders, and induction cooktops. The 12-bit ADC reads temperature and current sensor inputs, while the 2.0V-3.6V supply range lets the part run directly from 2xAA batteries or rectified mains-derived rails. Compared to 8-bit alternatives, the G0's DMA-driven ADC and hardware CRC enable faster, more reliable sensor fusion. Estimated: 1 mA/MHz Run-mode current keeps MCU contribution to < 30 mA at 64 MHz, well within thermal design limits of the 7x7 LQFP footprint.
Recommended
USB Type-C Cable Marker / Connector IC
The STM32G030C6T6 detects and applies the correct Type-C orientation and current-mode pull-up for cable marker and accessory IC designs. With I2C Fast-mode Plus at 1 Mbit/s and USART, it talks to downstream Type-C controllers while the hardware CRC validates USB PD messaging. The 48-LQFP footprint (7x7) fits USB-C dongle and small adapter PCBs. Unlike higher-end STM32 parts, the G030's lean 32 KB Flash holds the marker firmware without waste. Estimated: at 2.5 Msps ADC sampling, current-sense and Vbus-voltage monitoring is comfortably handled inside the MCU's interrupt budget.
Recommended
Human-Machine Interface (Button / LED Panels)
For keypad, LED ring, and simple HMI panels, the STM32G030C6T6 provides GPIOs for matrix-scanned keypads, PWM channels for LED dimming, and timers for button debounce. The 64 MHz core supports USB-CDC virtual COM port for firmware updates, while the 48-LQFP exposes 38+ GPIOs. The G0's low-power Stop mode (a few uA) suits battery-powered remote controls. Compared to discrete logic implementations, an MCU-based design scales to 32+ keys without extra debounce ICs. Estimated: total BOM saving vs discrete logic around 30-40% when GPIO and timer resources replace external flip-flops and shift registers.
Recommended
Industrial Sensor Hubs and Modbus Nodes
Industrial sensor hubs using the STM32G030C6T6 can aggregate input from thermocouples, strain gauges, and flow meters and forward them via RS-485 MODBUS or I2C to a master controller. The Cortex-M0+ interrupt latency is deterministic for fast safety shutoff, while the 12-bit ADC with 2.5 Msps captures transient signals. Compared to Cortex-M3 alternatives at similar price, the G030 reduces BoM cost ~25% with negligible throughput loss for slow industrial nodes. Estimated: a 64 MHz core easily handles 10 ms MODBUS polling loops with margin for a 32 KB application image and HAL overhead.
Recommended
IoT Edge Sensor Nodes (Wi-Fi/BLE Co-Processor)
The STM32G030C6T6 acts as a sensor-front-end co-MCU paired with a Wi-Fi or BLE SoC (e.g., ESP32, STM32WB), reading multiple ADC channels and forwarding results over UART or SPI. Its 8 KB SRAM accommodates small ring buffers for sensor data, while the 32 KB Flash holds packet-encoding firmware. Unlike bare-metal sensor ICs, the G0 lets designers integrate auto-calibration, low-power duty cycling, and OTA ready hooks. Estimated: Stop-mode current under 10 uA enables 1+ year battery life on a typical 2xAA cell when the MCU sleeps between sensor bursts.
Recommended
Consumer Toys and Hobbyist Drones
Cost-sensitive consumer toys benefit from the STM32G030C6T6's sub-$1 BOM contribution and LQFP-48 (7x7) footprint for compact boards. PWM outputs drive small DC and coreless motors; the 12-bit ADC reads battery voltage and motor current. The Cortex-M0+ delivers enough headroom for tiny voice prompts, LED patterns, and IR remote decoding. Compared to 8-bit AVR alternatives, the G0 doubles code density per KB and adds DMA-driven ADC. Estimated: the 7x7 LQFP fits inside typical 35x35 mm toy PCBs with room for the (typically) 1 oz copper thermal pad.
Recommended
Recommended Products Summary
Engineering reference data for STM32G030C6T6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32G030C8T6 | STM32G031C6T6 | STM32C011F6P6 | GD32E230G6 |
|---|---|---|---|---|---|
| Package | LQFP-48 (7x7 mm) | LQFP-48 (7x7 mm) - same | LQFP-48 (7x7 mm) - same | LQFP-48 family | LQFP-48 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice |
| Core | Arm Cortex-M0+ | Arm Cortex-M0+ (same) | Arm Cortex-M0+ (same) | Arm Cortex-M0+ (same) | Arm Cortex-M23 |
| Flash Memory | 32 KB | 64 KB (+100%) | 32 KB (same) | 32 KB (same) | 32 KB (same) |
| SRAM | 8 KB | 8 KB (same) | 8 KB (same) | 6 KB (-25%) | 8 KB (same) |
| Maximum Clock Frequency | 64 MHz | 64 MHz (same) | 64 MHz (same) | 48 MHz (-25%) | 72 MHz (+12.5%) |
| Operating Voltage Range | 2.0V - 3.6V | 2.0V - 3.6V | 2.0V - 3.6V | 2.0V - 3.6V | 2.6V - 3.6V |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| Automotive Grade (AEC-Q100) | Not qualified | Not qualified | Not qualified | Not qualified | Not qualified |
Key Differentiators
- Most affordable 32 KB Flash variant in STM32G0 LQFP-48 lineup (vs STM32G030C8T6)
- Same LQFP-48 footprint as STM32G031 family for drop-in scalability (vs STM32G031C6T6)
- ST ecosystem (STM32CubeMX + HAL + IDE) at lowest 32 KB tier (vs GD32E230G6)
Design Notes
Decouple VDD/VDDA pins with 100 nF ceramic capacitors placed as close as possible to each pin, plus one bulk 4.7 uF capacitor. The VDD range of 2.0V to 3.6V lets the MCU run directly from a single 3.3V LDO; for battery operation on 2xAA cells, ensure VDDA and VDD are tied together with separate analog filtering. Estimated: total decoupling capacitance around 10 uF distributed near the MCU keeps the supply ripple well under 50 mV p-p at 64 MHz operation.
Route the SWD (PA13/PA14) traces as short as possible (under 50 mm) for reliable debug handshakes. Place the 32.768 kHz LSE crystal close to PC14/PC15 with symmetrical traces and a guard ground to avoid coupling noise onto the RTC. The exposed thermal pad on the LQFP-48 can be left floating or stitched to the ground plane - if not used, do not connect it to anything for clean thermal isolation.
Do not exceed 3.6V on any I/O pin; even momentary transients above the absolute maximum rating can latch the part. When porting from STM32F0 to STM32G0, check the interrupt vector table offsets and GPIO alternate-function mapping - they differ between F0 and G0 families. Estimated: a typical G0 firmware port from F0 takes 1-2 days of peripheral re-mapping, including HAL driver updates, but the codebase can be largely reused.
At 64 MHz full-load operation, the MCU draws roughly 5-7 mA - well within the LQFP-48 thermal envelope (theta JA about 50 C/W on a 2-layer board). For harsh environments above 70 C ambient, add a small copper pour under the package or attach to the exposed thermal pad. Estimated: junction temperature rise at 64 MHz and 25 C ambient is ~10 C, keeping Tj comfortably below the 85 C operating ceiling.
Compliance Information
RoHS and REACH compliant per PartGenie datasheet summary. Not AEC-Q100 qualified - choose STM32G0 automotive grade variants for vehicle applications.
