STMicroelectronics STEVAL-PCC009V1

Overview

STEVAL-PCC009V1 from STMicroelectronics is a universal USB-to-serial communication interface demonstration board based on the STM32F103C8T6 microcontroller, supporting SPI, I2C, and UART protocols over a single 10-pin interface with GPIO control capability, powered via USB Mini-B connector, and designed for PC-based serial device prototyping and firmware development.

For engineers reviewing the STEVAL-PCC009V1 datasheet, STEVAL-PCC009V1 pinout, STEVAL-PCC009V1 application, or STEVAL-PCC009V1 equivalent, this board enables rapid validation of embedded serial peripheral interoperability, custom GUI integration via provided DLLs, DFU-based firmware updates, and hardware-level timing and signal integrity assessment across I2C/SPI/UART buses.

Technical Context

The board implements a host-side USB CDC-class virtual COM port using the STM32's integrated USB peripheral, translating PC commands into configurable serial protocol transactions routed through multiplexed GPIOs on J2 (SPI), J4 (generic 30-pin), and dedicated I2C/SPI/UART pins mapped to STM32F103C8T6's AFIO-peripheral pins including PB6/PB7 (I2C1), PB12–PB15 (SPI2), and PA2/PA3/PA9/PA10 (USART2).

It integrates ESD protection (ESDALC6V1M6), level-shifting buffers (ST2349 octal bus transceivers), microSD card interface (PA6–PA7, PA5, PB4), JTAG debugging (20-pin header J3), analog input support (12-bit ADC channels on PC0–PC3), and 3.3 V regulation (LD1117D33TR) from 5 V USB supply.

Key Specifications

Availability

STEVAL-PCC009V1 is available at Aetrix Electronics and suitable for serial interface validation, embedded firmware development, and industrial sensor connectivity requiring stable component supply and legacy Windows OS compatibility.

Supply support for STEVAL-PCC009V1 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 ICs, sensors, and analog products for industrial, automotive, and consumer applications.

This board belongs to ST's STEVAL evaluation platform series, engineered to accelerate prototyping of USB-connected serial peripherals by integrating protocol translation, firmware upgradability, and PC GUI tooling into a single reference design.

FAQ

Does STEVAL-PCC009V1 support modern Windows versions like Windows 10 or 11?

No - official documentation specifies Windows 2000 or Windows XP only. The board uses legacy CDC ACM drivers without signed INF files for newer OS versions; manual driver signing or third-party wrapper tools may be required for Windows 10/11, but are not validated or supported by ST.

Can the 10-pin interface be used simultaneously for SPI, I2C, and UART?

No - the 10-pin interface (J2) provides shared physical pins dynamically assigned to one protocol at a time via PC GUI selection; simultaneous operation is prevented by firmware logic and pin multiplexing constraints of the STM32F103C8T6.

What firmware update method does STEVAL-PCC009V1 use?

It uses USB Device Firmware Upgrade (DFU) mode: holding BOOT0 high during reset enters DFU bootloader, allowing firmware replacement via ST's DfuSe utility and provided .dfu files - no external programmer is needed.

Is source code for the PC GUIs included with the board?

Yes - the official data brief confirms inclusion of full source code (C/C++) for both Universal Dongle GUI and DFU GUI, along with Windows DLLs for I2C/SPI/UART abstraction, enabling customization and integration into proprietary host applications.