Onboard 8M crystal oscillator /ST recommended crystal oscillator .Standard 20P=JTAG/sWD interface, suitable for all kinds of universal emulat .Onboard 24C04-- data parameter storage, convenient application development data parameter storage.Entry-level configuration STM32 chip (SEM32F103C8T6), LQFP48 package 72M main frequency, 64K-Flash, 20K-RAM.Onboard reset button and operation button, convenient function develop ment.Type: development boardColour:blackMaterial:PCBPackage Contents:1 x Development Board1 x Cable1 x USB CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.