STMicroelectronics STEVAL-ILL030V1

Overview

STEVAL-ILL030V1 from STMicroelectronics is a DMX512-based LED lighting control demonstration board built around the STM32F103C6 ARM Cortex-M3 microcontroller and STCS1A constant-current LED driver. It supports transmitter, receiver, and standalone operation modes via DIP switch configuration, delivers dimming control for on-board LEDs, and integrates RS-485 transceivers (ST485AB), over/undervoltage protection (STBP120), and ESD protection (ESDAULC6-3BP6) for robust lighting system prototyping.

For engineers reviewing the STEVAL-ILL030V1 datasheet, STEVAL-ILL030V1 pinout, STEVAL-ILL030V1 application, or STEVAL-ILL030V1 equivalent, this board serves as a validated reference for DMX512-compliant LED control firmware integration, RS-485 physical layer implementation, and multi-mode lighting controller validation in stage, architectural, and entertainment lighting systems.

Technical Context

The board implements DMX512 2008 protocol compliance using the USART peripheral of the STM32F103C6 to generate packets with NULL START code and frame timing aligned to the standard's 250 kbps baud rate. RS-485 communication is handled by the ST485AB transceiver, enabling differential signaling over long cables with noise immunity.

LED dimming is executed via PWM output from the STM32F103C6 driving the STCS1A, a 1.5 A constant-current sink driver supporting analog and PWM dimming inputs. Power management includes dual sourcing options-external supply or regulated 5 V output from the STBP120 voltage protector-with internal RC clock eliminating crystal dependency.

Key Specifications

Availability

STEVAL-ILL030V1 is available at Aetrix Electronics and suitable for stage lighting control systems, architectural LED installations, and entertainment venue DMX network development requiring stable component supply and rapid firmware validation.

Supply support for STEVAL-ILL030V1 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 analog devices for industrial, automotive, and consumer applications.

This board belongs to ST's STEVAL (ST Evaluation) series, purpose-built to accelerate adoption of ST's MCUs and analog components in lighting control, industrial automation, and communication interface applications.

FAQ

Does STEVAL-ILL030V1 support DMX512-A or RDM protocols?

No. The board implements only the original DMX512 (ANSI E1.11-2008) standard with NULL START code and fixed 250 kbps UART framing. It does not include RDM (Remote Device Management) stack support or DMX512-A enhancements such as improved error detection or bidirectional communication features.

Can the on-board LEDs be replaced with higher-power external LEDs?

Yes. The STCS1A driver outputs are accessible via test points and solder pads; external high-power LEDs can be connected using appropriate current-limiting design and thermal management, provided the 1.5 A per channel limit and 40 V max output voltage are respected.

Is JTAG debugging supported out-of-the-box?

Yes. The board includes a standard 20-pin ARM JTAG connector (CN2) compatible with ST-LINK/V2 and other ARM debug probes, enabling full firmware development, real-time tracing, and register-level debugging of the STM32F103C6.

What USB functionality does the mini-B connector provide?

The mini-B USB connector supplies 5 V power to the board's logic section only; it does not implement USB device functionality. When used with external LED power, it isolates USB power from the LED load, preventing ground loops and enabling safe host-side firmware updates via USART.