NXP Semiconductors i.MX RT685 - Additional Expansion Header

6.5 Additional expansion header
This section shows the pinout for the additional header J1.
Table 5. Additional header port pinout
Header pin Port
Pin 1 P2_11
Pin 2 P2_13
Pin 3 P0_3
Pin 4 P2_12
Pin 5 P0_4
Pin 6 P0_13
Pin 7 P0_12
Pin 8 P2_15
Pin 9 P2_14
Pin 10 P0_11
NXP Semiconductors
Board serial connections
i.MX RT685 Evaluation Board, Rev. 0, March 20 2020
User's Guide 21 / 31