... (LQFP144-pin, on-chip integrated 512K flash, 64KRAM, 12Bit A / D, D / A; PWM, CAN, USB, SDIO, FSMC and other resources)* ... five users LED lights, a power indicator light, a USB communication indicator, four user keys, a system reset button* Power Select jumper to ... test ..... but also there are successful transplantation UCOS2, UCGUI a number of routines can be directly applied to industrial control ...