STMicroelectronics STM3210B-SK/KEIL

Overview

STM3210B-SK/KEIL from STMicroelectronics is a Keil starter kit for STM32F103B-based ARM Cortex-M3 microcontrollers, integrating µVision3 IDE, 16 KB-limited ARM RealView Compilation Tools, ULINK USB/JTAG debugger, and a full-featured evaluation board with USART, SPI, I²C, CAN, USB (micro), SD/MMC, 8 user LEDs, 3 push buttons, reset, potentiometer, and joystick - used for rapid prototyping of industrial control and connectivity applications.

For engineers reviewing the STM3210B-SK/KEIL datasheet, STM3210B-SK/KEIL pinout, STM3210B-SK/KEIL application, or STM3210B-SK/KEIL equivalent, key selection considerations include on-board STM32F103B MCU (128 KB Flash, 20 KB RAM), JTAG + ARM Cortex-debug connector support, USB-powered operation, and integrated peripherals for embedded firmware development and real-time OS evaluation.

Technical Context

The STM3210B-SK/KEIL provides a complete hardware-software development environment centered on the STM32F103B microcontroller (ARM Cortex-M3 core, 72 MHz max, 128 KB Flash, 20 KB SRAM). It includes the ULINK in-circuit debugger with USB host interface and 20-pin JTAG/10-pin Cortex-debug connectors, enabling flash programming and real-time debugging within µVision3.

The evaluation board implements essential interfaces including one USART, SPI, I²C, dual CAN transceivers, micro-USB device port, SD/MMC slot (micro), 8 user LEDs, 3 tactile buttons (user, wake-up, reset), analog potentiometer feeding ADC, and a 4-direction joystick - all directly connected to the MCU's GPIO and peripheral pins without level-shifting or isolation.

Key Specifications

Availability

STM3210B-SK/KEIL is available at Aetrix Electronics and suitable for embedded firmware development, real-time OS evaluation, and industrial control prototyping requiring stable component supply and full toolchain integration.

Supply support for STM3210B-SK/KEIL 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, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer applications.

This starter kit belongs to ST's STM32 ecosystem product line, developed to accelerate adoption of ARM Cortex-M3-based MCUs by delivering pre-integrated hardware, certified toolchains, and reference firmware for rapid application validation.

FAQ

Does STM3210B-SK/KEIL include a license for Keil µVision3?

Yes - the kit includes a node-locked license for Keil µVision3 IDE and the 16 KB code-size limited version of ARM RealView Compilation Tools. No separate activation or registration is required; software is pre-configured for immediate use with the included ULINK debugger and STM32F103B target.

What is the maximum supported clock frequency of the onboard microcontroller?

The STM32F103BVC6 MCU on the board operates at up to 72 MHz using its internal PLL with an 8 MHz crystal oscillator. The board includes the necessary crystal, load capacitors, and reset circuitry to achieve full-speed operation without external clock source modification.

Can the STM3210B-SK/KEIL be used with STM32CubeMX or STM32 HAL libraries?

Yes - while originally bundled with Keil's legacy toolchain, the board's STM32F103B MCU is fully supported by STM32CubeMX and HAL drivers. Users can generate initialization code and import projects into µVision3 or migrate to STM32CubeIDE, retaining full access to all on-board peripherals and debug functionality.

Is external power required, or does it run solely from USB?

The STM3210B-SK/KEIL is USB bus-powered only - no external power supply is included or required. It draws regulated 5 V from the micro-USB port for both the ULINK debugger and the evaluation board, eliminating need for external adapters or bench supplies during development.