Вот схема чипа Rockchip RK2706 может кому пригодится,
22 PE0/LCD_D8 IO Pull up/O
23 PE1/LCD_D9 IO Pull up/O
24 PE2/LCD_D10 IO Pull up/O
25 PE3/LCD_D11 IO Pull up/O
26 PE4/LCD_D12 IO Pull up/O
27 PE5/LCD_D13 IO Pull up/O
28 PE6/LCD_D14 IO Pull up/O
29 PE7/LCD_D15 IO Pull up/O
30 PA0/LCD_D16/RXD0 IO Pull up/O/O
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