Product Descriptions: 1. The core board schematics (PDF format) and tested source. Burned into the test program, LED flashes, allowing you to detect the core board is working properly. 2. Provide at IAR and STVD two development environments register operation and routine operation of the library functions. Timer routine, UART transmit routine, UART receive routines, clock switching routines, AD routines and so on. 3.STM8 Applications. 4.STM8 package library. 5.IAR development environment, STVP programming software.