1@page peripheral peripheral 2 3- 简介 4 5@subpage adc \n 6@subpage flash \n 7@subpage gpio \n 8@subpage i2c \n 9@subpage pwm \n 10@subpage pspi \n 11@subpage spi \n 12@subpage timer \n 13@subpage uart \n 14@subpage watchdog \n 15