STM32F030C8T6 - 48MHz Cortex-M0 MCU 64KB Flash | STMicroelectronics
MPN: STM32F030C8T6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.5 | $1.50 |
| 10 | $1.35 | $13.50 |
| 100 | $1.2 | $120.00 |
| 500 | $1.08 | $540.00 |
| 1,000 | $0.98 | $980.00 |
STM32F030C8T6 Overview
A microcontroller (MCU) is a compact integrated circuit that combines a processor core, memory, and programmable peripherals on a single die to govern a dedicated operation inside an embedded system. The STM32F030C8T6 belongs to the STM32F0 Value Line, which sits at the entry level of the broader STM32 family of 32-bit ARM Cortex-M microcontrollers - a hierarchy running from this value line up through mainstream (F1/F4), low-power (L-series), and high-performance (H7) lines - and is positioned as a cost-effective replacement for legacy 8-bit and 16-bit MCUs.
Key features include a 12-bit ADC with up to 16 external channels, five timers including an advanced-control timer for motor control and PWM generation, and communication peripherals covering USART, SPI, and I2C interfaces. A hardware CRC calculation unit supports robust serial communication protocols. The device integrates Sleep, Stop, and Standby low-power modes for energy-sensitive designs.
Architecturally, the Cortex-M0 core uses an ARMv6-M Harvard architecture with a single-cycle 32-bit multiplier and a nested vectored interrupt controller (NVIC) delivering deterministic, low-latency interrupt handling. The high-speed embedded Flash with prefetch buffer sustains efficient execution at the full 48 MHz clock rate without wait-state-heavy code bursts.
Typical applications include industrial control and automation nodes, consumer appliance and home-automation controllers, low-cost motor control with complementary PWM outputs, and general-purpose sensor-interface boards replacing 8-bit designs.
For design, decouple each VDD pin with 100 nF ceramic capacitors placed as close as possible to the supply pins, and keep the HSE crystal traces short and guarded for stable clocking.
This page adds information gain beyond the ST datasheet: drop-in alternative cross-references, distributor pricing tiers as of 2026-09-06, application-specific companion parts, and practical design notes in a single AI-citable reference.
Drop-in alternatives for STM32F030C8T6 — 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 STM32F030C8T6 (same form factor and footprint) — differing in Package, ADC, Timers, Core, SRAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32F030CCT6
✅ Drop-In✓ In Stock
$1.48 / Unit
View Datasheet →STM32F031C6T6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STM32F051C8T6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32F072C8T6
✅ Drop-In📋 Reference alternative (not in catalog)
HK32F030C8T6
✅ Drop-In📋 Reference alternative (not in catalog)
STM32F030C8T6 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M0 32-bit |
| Maximum CPU Frequency | 48 MHz |
| Flash Memory | 64 KB |
| SRAM | 8 KB |
| Supply Voltage Range | 2.4 V to 3.6 V |
| ADC Resolution | 12-bit |
| ADC Channels | up to 16 external channels |
| Timers | 5 timers including 1 advanced-control timer |
| Communication Interfaces | USART x6, SPI x2, I2C x2 |
| CRC Unit | Yes (hardware CRC calculation unit) |
| Low-Power Modes | Sleep, Stop, Standby |
| GPIO Count | up to 37 I/Os (LQFP48) |
| Operating Temperature | -40C to +85C |
| Package | LQFP-48, 7x7 mm, 1.4 mm height |
| Mounting Type | Surface Mount |
| MSL Level | 3 |
| RoHS Status | Compliant |
STM32F030C8T6 Pin Configuration
| Pin 1 | VBAT — Battery backup supply for RTC and backup registers |
| Pin 2 | PC13 — GPIO / tamper / RTC output |
| Pin 3 | PC14-OSC32_IN — GPIO or 32.768 kHz crystal input |
| Pin 4 | PC15-OSC32_OUT — GPIO or 32.768 kHz crystal output |
| Pin 5 | PD0-OSC_IN — GPIO or main oscillator (HSE) input |
| Pin 6 | PD1-OSC_OUT — GPIO or main oscillator (HSE) output |
| Pin 7 | NRST — Active-low reset input/output |
| Pin 8 | VSSA — Analog ground |
| Pin 9 | VDDA — Analog power supply for ADC |
| Pin 10 | PA0 — GPIO / ADC / WKUP / TIM2_CH1 |
| Pin 11 | PA1 — GPIO / ADC / TIM2_CH2 |
| Pin 12 | PA2 — GPIO / ADC / USART2_TX / TIM2_CH3 |
| Pin 13 | PA3 — GPIO / ADC / USART2_RX / TIM2_CH4 |
| Pin 14 | PA4 — GPIO / ADC / SPI1_NSS / USART2_CK |
| Pin 15 | PA5 — GPIO / ADC / SPI1_SCK |
| Pin 16 | PA6 — GPIO / ADC / SPI1_MISO / TIM3_CH1 |
| Pin 17 | PA7 — GPIO / ADC / SPI1_MOSI / TIM3_CH2 |
| Pin 18 | PB0 — GPIO / ADC / TIM3_CH3 |
| Pin 19 | PB1 — GPIO / ADC / TIM3_CH4 |
| Pin 20 | PB2-BOOT1 — GPIO / boot pin 1 |
| Pin 21 | PB10 — GPIO / I2C2_SCL / USART3_TX / TIM2_CH3 remap |
| Pin 22 | PB11 — GPIO / I2C2_SDA / USART3_RX |
| Pin 23 | VSS_1 — Ground 1 |
| Pin 24 | VDD_1 — Digital power supply 1 |
| Pin 25 | PB12 — GPIO / SPI2_NSS / I2C2_SMBA / TIM1_BKIN |
| Pin 26 | PB13 — GPIO / SPI2_SCK / TIM1_CH1N |
| Pin 27 | PB14 — GPIO / SPI2_MISO / TIM1_CH2N |
| Pin 28 | PB15 — GPIO / SPI2_MOSI / TIM1_CH3N |
| Pin 29 | PA8 — GPIO / USART1_CK / TIM1_CH1 / MCO |
| Pin 30 | PA9 — GPIO / USART1_TX / TIM1_CH2 |
| Pin 31 | PA10 — GPIO / USART1_RX / TIM1_CH3 |
| Pin 32 | PA11 — GPIO / TIM1_CH4 / CAN_RX (on F072) |
| Pin 33 | PA12 — GPIO / TIM1_ETR / CAN_TX (on F072) |
| Pin 34 | PA13-SWDIO — GPIO / Serial Wire Debug data |
| Pin 35 | VSS_2 — Ground 2 |
| Pin 36 | VDD_2 — Digital power supply 2 |
| Pin 37 | PA14-SWCLK — GPIO / Serial Wire Debug clock |
| Pin 38 | PA15 — GPIO / SPI1_NSS remap / TIM2_CH1 remap |
| Pin 39 | PB3 — GPIO / SPI1_SCK remap / TIM2_CH2 remap |
| Pin 40 | PB4 — GPIO / SPI1_MISO remap / TIM3_CH1 remap |
| Pin 41 | PB5 — GPIO / SPI1_MOSI remap / TIM3_CH2 remap / I2C1_SMBA |
| Pin 42 | PB6 — GPIO / I2C1_SCL / USART1_TX / TIM4_CH1 remap |
| Pin 43 | PB7 — GPIO / I2C1_SDA / USART1_RX / TIM4_CH2 remap |
| Pin 44 | PH0-BOOT0 — Boot 0 pin / oscillator input (shared) |
| Pin 45 | PB8 — GPIO / I2C1_SCL remap / TIM4_CH3 remap / CEC |
| Pin 46 | PB9 — GPIO / I2C1_SDA remap / TIM4_CH4 remap / CEC |
| Pin 47 | VSS_3 — Ground 3 |
| Pin 48 | VDD_3 — Digital power supply 3 |
Typical Applications
STM32F030C8T6 is suitable for 6 applications: Industrial Control and Automation Nodes, Home Automation and Smart Appliances, Low-Cost Brushless DC Motor Control, Consumer Electronics and White-Goods Panels, Sensor Interface and Data Acquisition Boards, Legacy 8-bit Design Migration.
Industrial Control and Automation Nodes
The STM32F030C8T6 fits industrial control nodes because its -40C to +85C rating, hardware CRC unit, and six USARTs support robust Modbus RTU and RS-485 field communication, while its 12-bit ADC with up to 16 channels digitizes sensor inputs such as thermistors, pressure sensors, and potentiometers. The 48 MHz Cortex-M0 core executes polling and control loops deterministically under the NVIC, and the advanced-control timer generates complementary PWM for actuators. Typically placed on a 3.3 V rail from an industrial 24 V bus via a buck converter, with 100 nF decoupling per VDD pin. Its low unit cost makes it economical to deploy across many networked I/O points, and its active lifecycle status suits multi-year industrial product roadmaps.
Recommended
Home Automation and Smart Appliances
For smart plugs, thermostats, lighting controllers, and small appliances, the STM32F030C8T6 offers an attractive balance of cost and capability: two I2C peripherals drive touch controllers, displays, and sensors; timers generate LED dimming PWM; and the 12-bit ADC reads NTC temperature sensors and mains-scaled voltage monitors. Sleep and Stop low-power modes cut standby current for always-on devices powered from mains adapters within the 2.4 V to 3.6 V operating range. The 64 KB Flash comfortably holds application code plus an OTA or serial boot loader for field updates. Development on STM32CubeIDE with the STM32CubeF0 HAL shortens firmware cycles, and the widely soldered LQFP48 7x7 mm package suits cost-optimized consumer PCB assembly.
Recommended
Low-Cost Brushless DC Motor Control
The STM32F030C8T6 drives small three-phase BLDC and PMSM motors using its advanced-control timer TIM1, which provides complementary PWM outputs with programmable dead-time insertion and a break input for overcurrent shutdown - the minimum safety hardware for commutation. The 12-bit ADC samples phase currents and the DC bus, while the 48 MHz core runs six-step or sensorless back-EMF commutation loops at several kHz, and the hardware CRC protects serial command links. Supplied from 3.3 V derived from the motor drive rail, it isolates logic from power stages through gate drivers. For higher-resolution control or op-amp-integrated designs, the pin-compatible STM32F051C8T6 or F3-series STM32F303CCT6 offer drop-in or near-drop-in upgrade paths.
Recommended
Consumer Electronics and White-Goods Panels
Consumer appliance front panels and control boards benefit from the STM32F030C8T6's combination of a low bill-of-material impact and a genuine 32-bit architecture: USART, SPI, and I2C interfaces connect segment LCD drivers, capacitive-touch controllers, EEPROMs, and RF modules, while timers generate buzzer tones, backlight PWM, and relay sequencing. The 2.4 V to 3.6 V supply range allows direct operation from two alkaline cells in portable appliances, and Standby mode minimizes off-state drain. With 64 KB Flash and 8 KB SRAM, the part handles menu logic, event scheduling, and safety monitoring without external memory. Its RoHS-compliant, MSL 3 LQFP48 package flows through standard lead-free reflow assembly used in high-volume consumer manufacturing.
Recommended
Sensor Interface and Data Acquisition Boards
The STM32F030C8T6 serves as a compact DAQ controller: its 12-bit ADC converts up to 16 external channels with configurable sampling times, and a USART or SPI streams converted data to a host or radio module at kilohertz rates. The hardware CRC validates telemetry frames end to end, and the NVIC with prioritized interrupts keeps sampling timers jitter-free for consistent measurement intervals. Operating from 2.4 V to 3.6 V, it matches 3.3 V analog front ends directly, though VDDA should be filtered for best ADC accuracy. Battery-powered loggers exploit Stop mode between samples. The part's low cost allows dedicating one MCU per sensor cluster rather than multiplexing many channels onto a single expensive controller.
Recommended
Legacy 8-bit Design Migration
The STM32F030C8T6 is ST's recommended 32-bit landing point for designs replacing 8-bit MCUs such as 8051, PIC, or STM8 parts. The Cortex-M0 delivers roughly an order of magnitude more integer throughput at 48 MHz than typical 8-bit cores, enabling C-based control code, floating-point-free fixed-point math, and future feature additions without redesign. Its 2.4 V to 3.6 V operation, 5 V-tolerant GPIOs on many pins, and six USARTs map naturally onto legacy serial architectures, while free STM32CubeIDE and extensive community examples shorten the learning curve. Choosing it over the pin-compatible STM32F031C6T6 preserves 64 KB Flash headroom; over the F051C8T6 it saves cost where the extra peripherals are unused.
Recommended
Recommended Products Summary
Engineering reference data for STM32F030C8T6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F030CCT6 | STM32F051C8T6 | STM32F072C8T6 | HK32F030C8T6 |
|---|---|---|---|---|---|
| Package | LQFP-48 (7x7 mm) | LQFP-48 (7x7 mm) - same | LQFP-48 (7x7 mm) - same | LQFP-48 (7x7 mm) - same | LQFP-48 (7x7 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | HK Microelectronics (cross-brand) |
| Core / Max Frequency | Cortex-M0 / 48 MHz | Cortex-M0 / 48 MHz | Cortex-M0 / 48 MHz | Cortex-M0 / 48 MHz | Cortex-M0 / 48 MHz (claimed) |
| Flash Memory | 64 KB | 256 KB | 64 KB | 128 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 16 KB | 8 KB |
| Special Peripherals | ADC 12-bit x16ch, 5 timers, 6x USART, 2x SPI, 2x I2C, CRC | Same peripheral set as F030C8 | Adds HDMI-CEC, touch sensing, richer timers | Adds USB FS device, CAN, HDMI-CEC | Claims STM32F030-equivalent peripheral set |
| Firmware Compatibility | Baseline (STM32CubeF0 HAL) | 100% code compatible, same family | Compatible, superset peripherals | Startup/config changes required | Claimed compatible; ADC/clock validation advised |
Key Differentiators
- Lowest-cost genuine STM32 32-bit platform in LQFP48 (vs STM32F051C8T6)
- Four-times Flash headroom on the same footprint (vs STM32F030CCT6)
- Deterministic budget-optimized core vs USB/CAN-equipped siblings (vs STM32F072C8T6)
Design Notes
Decouple each of the three VDD pins (24, 36, 48) with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus one bulk 4.7 uF to 10 uF capacitor near the package. VDDA (pin 9) should be filtered with an RC (10 ohm + 1 uF plus 10 nF) from VDD to keep ADC noise low; VSSA (pin 8) must connect to a clean analog ground star point. Estimated: a typical 20 mA running load from a 3.3 V rail draws only 66 mW, so thermal design is trivial, but supply ripple directly degrades the 12-bit ADC's effective resolution.
For the HSE crystal on PD0/PD1 (pins 5-6) and the optional 32.768 kHz crystal on PC14/PC15 (pins 3-4), keep traces under 10 mm, guard with ground pour, and place load capacitors close to the pins. Route SWDIO (PA13, pin 34) and SWCLK (PA14, pin 37) to a 2x5 debug header on every production board - the two-pin SWD interface costs almost nothing to include and enables field reprogramming. Keep BOOT0 (pin 44) pulled to ground through 10 kohm unless serial boot loading is needed.
Common pitfalls: (1) 5 V on non-5V-tolerant pins such as PA4/PA5 FT variants varies by pin - verify FT vs TT marking in the datasheet pin table before interfacing with 5 V logic. (2) When using the ADC, do not share PA0-PA7 analog functions with high-current PWM switching without RC filtering. (3) MSL 3 packaging requires baking (per JEDEC floor-life rules) after opening the tray; ignoring this causes popcorn cracking during reflow. (4) PC13 has limited sink/source capability - do not drive LEDs directly from it beyond datasheet limits.
Compliance Information
RoHS compliant and MSL 3 per PartGenie and distributor compliance data. Not automotive qualified; for automotive use ST offers SPC5 and STM32 automotive lines instead of the Value Line F0.
