STMicroelectronics STM32G030J6M6

Overview

STM32G030J6M6 from STMicroelectronics is an Arm® Cortex®-M0+ 32-bit microcontroller in SO8N package with 32 KB Flash, 8 KB SRAM, 2× USART, 12-bit ADC (0.4 µs conversion), and operating voltage range of 2.0–3.6 V. It targets cost-sensitive industrial control, smart sensors, and power management modules requiring low-power operation and integrated analog peripherals.

For engineers reviewing the STM32G030J6M6 datasheet, STM32G030J6M6 pinout, STM32G030J6M6 application, or STM32G030J6M6 equivalent, key selection criteria include its SO8N 8-pin footprint, 64 MHz max CPU frequency, 5 V-tolerant I/Os, RTC with wakeup-from-Stop capability, and support for ISO7816/LIN/IrDA on USART1.

Technical Context

The device integrates a single-core Arm Cortex-M0+ with MPU, supporting Thumb-2 instruction set and up to 64 MHz operation via internal 16 MHz RC + PLL or external 4–48 MHz crystal. Its memory subsystem includes 32 KB of flash with readout protection and 8 KB SRAM with hardware parity checking.

Power architecture features three low-power modes (Sleep, Stop, Standby), VBAT-supplied RTC and backup registers, and dual clock domains: high-speed (HSI/HSE/PLL) and low-speed (LSI/LSE). Peripheral interconnect uses AHB/APB buses with DMA controller supporting 5 channels and flexible request mapping.

Key Specifications

Pinout & Package

STM32G030J6M6 is housed in an SO8N (Small Outline 8-pin Narrow) package, 4.9 × 6 mm body, ECOPACK2-compliant, with 8 leads and 1.27 mm pitch. Designed for space-constrained PCB layouts and automated assembly.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32G030J6M6, STM32G031J6M6 offers enhanced analog and data movement capabilities at identical footprint, while EFM32HG309F64 trades protocol versatility for deeper energy efficiency-making each optimal for distinct system-level trade-offs in cost, size, and feature depth.

Availability

STM32G030J6M6 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart power outlets, USB-to-UART bridge adapters, and IoT edge node controllers requiring stable component supply and long-term manufacturability.

Supply support for STM32G030J6M6 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, delivering silicon solutions for automotive, industrial, and consumer markets since 1987.

The STM32G0 series targets entry-level embedded applications demanding high integration, ultra-low power, and robust security features - designed specifically for cost-sensitive industrial controls and intelligent peripherals where small form factor and ease of certification matter.

FAQ

What is the maximum operating frequency of the STM32G030J6M6?

The STM32G030J6M6 achieves a maximum CPU frequency of 64 MHz using its internal 16 MHz RC oscillator with PLL multiplication or an external 4–48 MHz crystal. This frequency is fully supported across the entire −40°C to +85°C operating temperature range and 2.0–3.6 V supply voltage, with no derating required under datasheet-specified conditions.

Does the STM32G030J6M6 support hardware encryption or secure boot?

No, the STM32G030J6M6 does not include hardware cryptographic accelerators or dedicated secure boot circuitry. It supports readout protection (RDP) Level 1 and Level 2 to prevent unauthorized flash access, and includes a hardware CRC unit for data integrity verification-but lacks AES, SHA, or public-key acceleration blocks found in higher-tier G0 or G4 devices.

Can the STM32G030J6M6 drive a 5 V logic interface directly?

Yes - all GPIO pins on the STM32G030J6M6 are 5 V-tolerant when configured as inputs, meaning they safely accept 5 V signals without external clamping diodes or level shifters. However, output voltage is limited to VDD (max 3.6 V), so driving 5 V logic high levels requires an external pull-up or buffer.

What debug interface does the STM32G030J6M6 use, and how many pins are required?

The STM32G030J6M6 uses Serial Wire Debug (SWD), requiring only two physical pins: SWDIO (bidirectional data) and SWCLK (clock). No reset or other debug signals are mandatory, enabling minimal debug footprint on PCBs - ideal for space-constrained SO8N designs where every pad counts.