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MangoPI MQ Pro GPIO header (dtb name: Allwinner D1 Nezha)
Gpio Header:
func des pin pin des func
3v3 1 --o o-- 2 5v
free (205) PG13 3 --o o-- 4 5v
gpio (2000000.pinctrl:204) PG12 5 --o o-- 6 gnd
free (39) PB7 7 --o o-- 8 PB8 uart0.tx (2500000.serial:40)
gnd 9 --o o-- 10 PB9 uart0.rx (2500000.serial:41)
gpio (2000000.pinctrl:117) PD21 11 --o o-- 12 PB5 free (37)
free (118) PD22 13 --o o-- 14 gnd
i2c2.sck (2502800.i2c:32) PB0 15 --o o-- 16 PB1 i2c2.sda (2502800.i2c:33)
3v3 17 --o o-- 18 PD14 spi1.hold (4026000.spi:110)
spi1.mosi (4026000.spi:108) PD12 19 --o o-- 20 gnd
spi1.miso (4026000.spi:109) PD13 21 --o o-- 22 PC1 free (65)
spi1.clk (4026000.spi:107) PD11 23 --o o-- 24 PD10 spi1.cs (4026000.spi:106)
gnd 25 --o o-- 26 PD15 spi1.wp (4026000.spi:111)
free (145) PE17 27 --o o-- 28 PE16 free (144)
free (42) PB10 29 --o o-- 30 gnd
free (43) PB11 31 --o o-- 32 PC0 ledc (2008000.led-controller:64)
free (44) PB12 33 --o o-- 34 gnd
free (38) PB6 35 --o o-- 36 PB2 free (34)
free (113) PD17 37 --o o-- 38 PB3 free (35)
gnd 39 --o o-- 40 PB4 free (36)
Other gpio outputs of interest:
-- PD18: Blue Status Led - free (114)
Notes:
- I2C pins 3,5,27 and 28 (PG13, PG12, PE17 and PE16) have 10K pullup resistors to 3v3
- The Status LED (PD18) is common with the LED_PWM pin on the DSI/LVDS output