BeetlesASIC3

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GPIOA
pin bit description Input/Output IRQ ALT
GPIOA0 0x0001 sound related O -
GPIOA1 0x0002 sound related O -
GPIOA2 0x0004 sound related O -
GPIOA3 0x0008 sound related O -
GPIOA4 0x0010 O -
GPIOA5 0x0020 O -
GPIOA6 0x0040 O -
GPIOA7 0x0080 usb related (PUEN?) O -
GPIOA8 0x0100 camera related O -
GPIOA9 0x0200 O -
GPIOA10 0x0400 O -
GPIOA11 0x0800 O -
GPIOA12 0x1000 O -
GPIOA13 0x2000  ? O ALT
GPIOA14 0x4000  ? I ALT
GPIOA15 0x8000 lcd pwr1 O -

GPIOB
pin bit description Input/Output IRQ ALT
GPIOB0 0x0001 I -
GPIOB1 0x0002 I -
GPIOB2 0x0004 I -
GPIOB3 0x0008 O -
GPIOB4 0x0010 I -
GPIOB5 0x0020 I -
GPIOB6 0x0040 usb, backlight related (detect?) I -
GPIOB7 0x0080 I -
GPIOB8 0x0100 backlight related I -
GPIOB9 0x0200 sound related I -
GPIOB10 0x0400 usb,sound related I -
GPIOB11 0x0800 I -
GPIOB12 0x1000 O -
GPIOB13 0x2000 O -
GPIOB14 0x4000 I -
GPIOB15 0x8000 O -

GPIOC
pin bit description Input/Output IRQ ALT
GPIOC0 0x0001 led O LED0
GPIOC1 0x0002 led O LED1
GPIOC2 0x0004 led O LED2
GPIOC3 0x0008 SPI I SPI
GPIOC4 0x0010 SPI O SPI
GPIOC5 0x0020 SPI O SPI
GPIOC6 0x0040 spi ? O -
GPIOC7 0x0080 O -
GPIOC8 0x0100 O -
GPIOC9 0x0200 lcd_pwr2 O -
GPIOC10 0x0400 lcd_pwr3 O -
GPIOC11 0x0800 O -
GPIOC12 0x1000 O -
GPIOC13 0x2000 O -
GPIOC14 0x4000 O -
GPIOC15 0x8000 O -

GPIOD
pin bit description Input/Output IRQ ALT
GPIOD0 0x0001 O -
GPIOD1 0x0002 O -
GPIOD2 0x0004 O -
GPIOD3 0x0008 O -
GPIOD4 0x0010 O -
GPIOD5 0x0020 O -
GPIOD6 0x0040 sound related O -
GPIOD7 0x0080 O -
GPIOD8 0x0100 O -
GPIOD9 0x0200 camera related O -
GPIOD10 0x0400 vibra O -
GPIOD11 0x0800 O -
GPIOD12 0x1000 lcd backlight O -
GPIOD13 0x2000 backlight related O -
GPIOD14 0x4000 keypad backlight O -
GPIOD15 0x8000 O -