ARM Cortex-M4 256KBbyte Flash Controller
ST Micro
http://www.st.com/en/microcontrollers/stm32f401vc.html
http://www.st.com/resource/en/datasheet/stm32f401vc.pdf
Schematic Layout Generator Circuit Tree App
--add_component[u1][stm32f401VCH6]
--add_block[led]
--add_block[uart_to_usb]