New STM32-QFP48, Programmer Adapter 0.5mm MCU Testing Socket

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Product Overview



  • 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.)

Outline and Dimensions

Unit: mm

Part NumberPitchPinsApplicable IC Dimensions (REF.)Outside Dimensions (REF.)
A x BC x DEFG x H
IC51-0484-8060.5487 × 79 × 98.2-29 × 32


  1. JTAG/SWD port

    • for programming/debugging/testing

    • compatible with ST-LINK / J-LINK / ULINK2 / STX-RLINK

  2. USART1 port

    • supports ISP and/or serial port debugging

  3. LED indicators

    • for quick testing

  4. Pin headers connected to MCU pins

    • clearly labeled with onboard marks

    • easy for testing and further expansion

  5. Boot mode configuration

    • configuring the BOOT0 and BOOT1 via jumpers

  6. 5V power input

    • DC jack or 2-pin header

  7. External crystal socket

    • insert crystal to the holes on two sides, leave alone the middle hole

  8. Power indicator

  9. LED jumpers

    • short the jumpers to connect LEDs to MCU I/O pins for testing

    • open the jumpers to disconnect

  10. 32.768K crystal (on bottom side)

    • for internal RTC with calibration

  11. 3.3V onboard regulator (on bottom side)

    • AMS1117-3.3




JTAG/SWD Connector Layout

The  JTAG/SWD programming interface is defind as below:


Boot Mode Configuration

The Boot Mode could be configured by the boot pins, you may refer to the following table for the definations:

Pins to config Boot ModeBOOT MODEDescription
X0USER Flash MemoryUser Flash Memory is selected as the boot memory
01System MemorySystem Memory is selected as the boot memory
11MCU Embedded SRAMMCU Embedded SRAM is selected as the boot memory



Weight: 0.081 kg

Package Content:

  1. STM32-QFP48 × 1

  2. USB power cable × 1


0.0086 s.