STMicroelectronics STM32G030K8T6

Overview

STM32G030K8T6 from STMicroelectronics is an Arm® Cortex®-M0+ 32-bit microcontroller in LQFP32 package, operating at up to 64 MHz with 64 KB Flash and 8 KB SRAM. It integrates dual USARTs (one with LIN/ISO7816/IrDA), two I²C interfaces (one Fast-mode Plus), two SPIs (32 Mbit/s), a 12-bit 0.4 µs ADC (16-channel), eight timers including RTC and watchdogs, and supports 2.0–3.6 V supply for industrial sensor nodes and smart metering endpoints.

For engineers reviewing the STM32G030K8T6 datasheet, STM32G030K8T6 pinout, STM32G030K8T6 application, or STM32G030K8T6 equivalent, key selection criteria include its 32-pin LQFP footprint, 64 MHz CPU clock with hardware parity-checked SRAM, dual low-power UARTs with auto-baud detection, 5 V-tolerant GPIOs, and integrated RTC with periodic wakeup from Stop mode.

Technical Context

The STM32G030K8T6 implements a single-core Arm Cortex-M0+ with Memory Protection Unit (MPU), supporting TrustZone-like privilege separation for firmware integrity. Its clock system combines internal 16 MHz RC (with PLL) and 32 kHz LSE for precise RTC operation, plus external 4–48 MHz crystal support.

Peripheral interconnect uses a multi-layer AHB/APB bus matrix enabling concurrent DMA transfers across ADC, timers, and communication interfaces. The 5-channel DMA controller supports flexible request mapping to peripherals including USART, SPI, I²C, and ADC-critical for deterministic sensor data acquisition without CPU intervention.

Key Specifications

Pinout & Package

LQFP32 (7 × 7 mm, 0.8 mm pitch) package with exposed pad for thermal dissipation; RoHS-compliant and ECOPACK2 certified.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with STM32G030K8T6, STM32G031K8T6 offers measurable improvements in analog accuracy and ESD immunity at minimal cost premium, while LPC804M101JDH20 sacrifices essential features (RTC, CRC, peripheral count) to achieve lower price and smaller footprint-making it suitable only for non-critical, cost-driven consumer applications.

Availability

STM32G030K8T6 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and LED lighting driver designs requiring stable component supply across multi-year production cycles.

Supply support for STM32G030K8T6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power management ICs, sensors, and automotive-grade components since 1987.

The STM32G0 series targets cost-sensitive, low-power embedded applications demanding robust security, long-term availability, and streamlined development-optimized for industrial automation, metering, and IoT edge devices.

FAQ

Does STM32G030K8T6 support USB connectivity?

No. The STM32G030K8T6 does not integrate a USB peripheral or PHY. It relies on external USB-to-UART bridges (e.g., CP2102, FT232RL) for host communication. This design reduces die size and cost while maintaining compatibility with standard serial debug and firmware update workflows via USART1.

What is the maximum allowed crystal frequency for the HSE oscillator?

The HSE oscillator supports external crystals from 4 MHz to 48 MHz, as specified in Section 5.3.7 of DS12991 Rev 6. Operation above 48 MHz violates absolute maximum ratings and may cause timing violations in the PLL or flash access pipeline.

Can the internal 16 MHz RC oscillator be used as the system clock without calibration?

Yes, but with ±1% typical accuracy after factory trimming. For applications requiring tighter timing (e.g., UART baud rate error <2%), ST recommends enabling the HSI16 auto-calibration feature using the LSE or HSE as reference-achieving ±0.2% stability over temperature and voltage.

Is there hardware support for AES encryption on STM32G030K8T6?

No. The STM32G030K8T6 lacks a dedicated cryptographic accelerator. It supports software-based AES-128 via CMSIS crypto libraries, but no hardware AES, SHA, or TRNG modules are present-unlike the STM32G071 or G0B1 series which include CryptoCell-310.