note 1; 0-based numbering (matching kernel /dev/ttyS numbering) note 2: uart 5 conflicts with bluetooth overview matrix: P9.11 4 rx 6 cts/tx P9.13 4 tx 6 rts P9.17 2 rts 4 tx 5 tx P9.18 2 cts 4 rx 5 rx P9.19 4 rx 9 rts P9.20 4 tx 9 cts P9.21 2 tx 6 rts P9.22 2 rx P9.24 9 tx P9.26 9 rx P8.03 9 cts P8.04 9 rts P8.05 4 cts P8.06 4 rts P8.15 9 rx P8.22 9 tx P8.23 9 rx P8.24 4 tx P8.25 4 rx P8.31 3 rx 7 cts p1 tx P8.32 3 tx 7 rts P8.33 6 tx p1 rx P8.34 8 tx p0 rts p1 cts P8.35 6 rx p1 rts P8.36 8 cts p0 rx P8.37 5 rx 7 tx P8.38 5 tx 7 rx P8.43 p0 rx P8.44 p0 tx P8.45 4 rx 6 rx p0 cts P8.46 4 tx p0 rts modes by expansion header pin: P9.11a 3 uart 6 cts P9.11a 4 uart 4 rx P9.11b 2 uart 6 tx P9.13 3 uart 6 rts P9.13 4 uart 4 tx P9.17a 1 uart 2 rts P9.17a 2 uart 4 tx P9.17b 3 uart 5 tx (conflicts with bluetooth) P9.18a 1 uart 2 cts P9.18a 2 uart 4 rx P9.18b 3 uart 5 rx (conflicts with bluetooth) P9.19a 8 uart 4 rx P9.19b 8 uart 9 rts P9.20a 8 uart 4 tx P9.20b 8 uart 9 cts P9.21a 5 uart 6 rts P9.21b 1 uart 2 tx P9.22b 1 uart 2 rx P9.24 3 uart 9 tx P9.26a 3 uart 9 rx P8.03 2 uart 9 cts P8.04 2 uart 9 rts P8.05 2 uart 4 cts P8.06 2 uart 4 rts P8.15a 8 uart 9 rx P8.22 2 uart 9 tx P8.23 2 uart 9 rx P8.24 2 uart 4 tx P8.25 2 uart 4 rx P8.31a 10 pruss 1 tx P8.31b 3 uart 7 cts P8.31b 4 uart 3 rx P8.32b 3 uart 7 rts P8.32b 4 uart 3 tx P8.33a 10 pruss 1 rx P8.33b 5 uart 6 tx P8.34a 10 pruss 1 cts P8.34b 7 uart 8 tx P8.34b 11 pruss 0 rts P8.35a 10 pruss 1 rts P8.35b 5 uart 6 rx P8.36b 7 uart 8 cts P8.36b 11 pruss 0 rx P8.37a 2 uart 5 rx (conflicts with bluetooth) P8.37b 3 uart 7 tx P8.38a 2 uart 5 tx (conflicts with bluetooth) P8.38b 3 uart 7 rx P8.43 10 pruss 0 rx P8.44 10 pruss 0 tx P8.45a 2 uart 4 rx P8.45a 10 pruss 0 cts P8.45b 2 uart 6 rx P8.46a 2 uart 4 tx P8.46a 10 pruss 0 rts modes by uart: uart 2 tx P9.21b 1 uart 2 rx P9.22b 1 uart 2 rts P9.17a 1 uart 2 cts P9.18a 1 uart 3 tx P8.32b 4 uart 3 rx P8.31b 4 uart 4 tx P8.24 2 uart 4 tx P8.46a 2 uart 4 tx P9.13 4 uart 4 tx P9.17a 2 uart 4 tx P9.20a 8 uart 4 rx P8.25 2 uart 4 rx P8.45a 2 uart 4 rx P9.11a 4 uart 4 rx P9.18a 2 uart 4 rx P9.19a 8 uart 4 rts P8.06 2 uart 4 cts P8.05 2 uart 5 tx P8.38a 2 (conflicts with bluetooth) uart 5 tx P9.17b 3 (conflicts with bluetooth) uart 5 rx P8.37a 2 (conflicts with bluetooth) uart 5 rx P9.18b 3 (conflicts with bluetooth) uart 6 tx P8.33b 5 uart 6 tx P9.11b 2 uart 6 rx P8.35b 5 uart 6 rx P8.45b 2 uart 6 rts P9.13 3 uart 6 rts P9.21a 5 uart 6 cts P9.11a 3 uart 7 tx P8.37b 3 uart 7 rx P8.38b 3 uart 7 rts P8.32b 3 uart 7 cts P8.31b 3 uart 8 tx P8.34b 7 uart 8 cts P8.36b 7 uart 9 tx P8.22 2 uart 9 tx P9.24 3 uart 9 rx P8.15a 8 uart 9 rx P8.23 2 uart 9 rx P9.26a 3 uart 9 rts P8.04 2 uart 9 rts P9.19b 8 uart 9 cts P8.03 2 uart 9 cts P9.20b 8 pruss 0 tx P8.44 10 pruss 0 rx P8.36b 11 pruss 0 rx P8.43 10 pruss 0 rts P8.34b 11 pruss 0 rts P8.46a 10 pruss 0 cts P8.45a 10 pruss 1 tx P8.31a 10 pruss 1 rx P8.33a 10 pruss 1 rts P8.35a 10 pruss 1 cts P8.34a 10
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