STMicroelectronics STM32G0C1REI6N

Overview

STM32G0C1REI6N from STMicroelectronics is a 32-bit Arm® Cortex®-M0+ microcontroller with 512 KB flash, 144 KB SRAM, dual 12-bit DACs, two FDCAN controllers, and USB Type-C™ Power Delivery controller. It operates from 1.7–3.6 V, supports -40°C to 125°C extended temperature range, and integrates AES-128/256 encryption and true RNG-designed for secure industrial edge nodes requiring real-time CAN FD communication and USB-C PD negotiation.

For engineers reviewing the STM32G0C1REI6N datasheet, STM32G0C1REI6N pinout, STM32G0C1REI6N application, or STM32G0C1REI6N equivalent, key selection criteria include FDCAN timing accuracy, USB-C PD controller autonomy, DAC settling time in closed-loop power control, and SRAM parity coverage for functional safety compliance.

Technical Context

The STM32G0C1REI6N implements a single-core Arm Cortex-M0+ running up to 64 MHz with MPU, supporting TrustZone-like memory protection via securable flash banks and hardware CRC. Its clock system combines HSE (4–48 MHz), LSE (32.768 kHz), HSI16 (±1%), and HSI48 (crystal-less USB FS) oscillators with programmable PLL for deterministic peripheral timing.

Peripheral interconnect uses a multi-layer AHB/APB bus matrix enabling concurrent DMA transfers across 15 timers (including two 128 MHz-capable advanced timers), six USARTs with ISO7816/LIN/IrDA, three I²C-Fm+, and three SPIs (32 Mbit/s) - all mapped to 94 fast I/Os with 5 V tolerance on selected pins and flexible remapping via AF registers.

Key Specifications

Pinout & Package

LQFP64 package (10 × 10 mm, 0.5 mm pitch), ECOPACK2-compliant, with exposed thermal pad. Pin count and I/O mapping validated per STMicroelectronics DS13564 Rev 5 Table 12 (Pin assignment and description).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32G0B1RET6, the STM32G0C1REI6N adds full USB-C PD autonomy and second FDCAN channel at identical pin count; versus STM32H563VIT6, it delivers certified USB-C PD and CAN FD in compact LQFP64 at lower cost and power, without requiring TrustZone-certified toolchain.

Availability

STM32G0C1REI6N is available at Aetrix Electronics and suitable for industrial motor drives, automotive body controllers, smart energy meters, and PLC I/O modules requiring stable component supply across extended temperature and long product lifecycles.

Supply support for STM32G0C1REI6N 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, specializing in microcontrollers, power management, and automotive ICs with over 40 years of industrial IP heritage.

The STM32G0 series targets cost-sensitive, power-efficient general-purpose applications with enhanced security and analog integration - designed specifically for industrial automation, appliance control, and entry-level automotive subsystems.

FAQ

What is the maximum operating frequency and supported voltage range?

The STM32G0C1REI6N operates at up to 64 MHz using its internal HSI16 oscillator with PLL or external HSE. Its core voltage range is 1.7 V to 3.6 V, with separate I/O supply capability from 1.65 V to 3.6 V. This allows direct interfacing with both 1.8 V logic and 3.3 V peripherals while maintaining full flash/SRAM functionality across the entire temperature range (-40°C to +125°C).

Does this MCU support USB-C Power Delivery without external components?

Yes - the STM32G0C1REI6N integrates a complete USB Type-C™ Power Delivery 3.0 controller with policy engine, BMC coding/decoding, VCONN switching, and SOP/SOP'/SOP'' message handling. It requires only passive magnetics and a single USB-C connector; no external PD PHY, transceiver, or MCU-side firmware stack is needed for basic source/sink negotiation and voltage/current contract establishment.

How many FDCAN interfaces does it have, and what is their bit-rate capability?

The STM32G0C1REI6N features two fully independent FDCAN 2.0B controllers, each supporting Classical CAN and CAN FD modes. In CAN FD mode, they achieve up to 5 Mbps data phase bit rate with programmable arbitration and data field bit rates. Both controllers include dedicated message RAM, filters, and loopback/self-test modes - enabling redundant networking or split domain usage (e.g., one for diagnostics, one for control).

Is hardware cryptographic acceleration included, and which algorithms are supported?

Yes - the device includes a dedicated hardware AES accelerator supporting ECB, CBC, CTR, and GCM modes with 128-bit and 256-bit keys, plus a True Random Number Generator (RNG) compliant with NIST SP800-90B. These blocks operate independently of the CPU, enabling secure boot, encrypted firmware updates, and TLS offload without impacting real-time application performance.