... integrated 512K flash, 64KRAM, 12Bit A / D, D / A; PWM, CAN, USB, SDIO, FSMC and other resources) * Outside the expanded board 512K ... , RTC, according to health, PWM, buzzer, USB, SD card, ADC, DAC, 12C, RS232, RS485 pass, CAN, touch-screen test, TFT LCD screen ... there are successful transplantation UCOS2, UCGUI a number of routines can be directly applied to industrial control equipment or hand-held ...