Yamaichi IC Test & Burn-in Socket with a simple board, specifically designed for STM32 microcontroller in QFP48(0.5mm pitch) package

Features
20-pin JTAG/SWD port and/or 4-pin USART1 interface for programming/testing
External crystal can be connected via on board socket for system clock
Onboard 32.768K crystal oscillator
Two LED indicators for testing, which are connected to the I/O pins via jumpers
All the MCU pins are accessible on expansion connectors
* pin header pitch: 2.54mm(100mil) Supported Devices
STM32 microcontroller in QFP48(0.5mm pitch) package with compatible pinouts:
STM32F10xC series (STM32F103CB, STM32F103C8, etc.)
STM32L15xC series (STM32L151C6, STM32L152CB, etc.)

Package Contains
STM32-QFP48 × 1
USB power cable × 1