Built-in 8M crystal oscillator / ST recommended crystal oscillator. Standard 20P=JTAG/sWD interface, suitable for all types of universal emulators. Built-in 24C04 for data parameter storage, convenient for application development data parameter storage. Entry-level configuration STM32 chip (STM32F103C8T6), LQFP48 package, 72M main frequency, 64K Flash, 20K RAM. Built-in reset button and user button for convenient function development. Type: Development Board Function 1: STM32F103C8T6 Development Board Function 2: STM32 Core Board Function 3: Learning Evaluation Board Color: Black Material: PCB Package Contents: 1 x Development Board, 1 x 1.44-inch LCD Screen, 1 x Cable, 1 x USB Cable. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.