expansion header pins used for BBGW wifi/bluetooth: gpio common BBB/BBBW BBGW ------ ---------------------- ---------------------- ---------------------- 1.13 P8.11 - wifi sdio d1 1.12 P8.12 - wifi sdio d0 0.26 P8.14 - wifi enable 1.15 P8.15 - wifi sdio d3 1.14 P8.16 - wifi sdio d2 0.27 P8.17 - wifi irq 2.01 P8.18 - wifi sdio clk 1.29 P8.26 - wilink8 i/o enable 1.28 P9.12 - bluetooth enable 2.00 - P9.15 wifi cmd 0.20 P9.41 - wilink8 slow clk NOTE: on the BBB/BBBW, P9.15 connects to two processor pins (gpio 1.16 and 2.00), while on the BBGW it only connects to one (gpio 1.16). expansion header pins that are also routed to grove connectors: gpio common BBB/BBBW BBGW ------ ---------------------- ---------------------- ---------------------- 0.13 P9.19 / cape i²c scl - grove i²c 0.12 P9.20 / cape i²c sda - grove i²c 0.03 P9.21 / spi boot in - grove txd 0.02 P9.22 / spi boot clk - grove rxd expansion header pins used for HDMI audio (BBB/BBBW) / bluetooth audio (BBGW), if enabled: gpio common BBB/BBBW BBGW ------ ---------------------- ---------------------- ---------------------- 3.21 P9.25 / audio osc audio osc audio osc 3.17 P9.28 hdmi audio out bluetooth audio in 3.15 P9.29 hdmi audio fs bluetooth audio fs 3.16 P9.30 - bluetooth audio out 3.14 P9.31 hdmi audio clk bluetooth audio clk expansion header pins the BBB/BBBW uses for HDMI video, if enabled: gpio common BBB/BBBW BBGW ------ ---------------------- ---------------------- ---------------------- 2.22 P8.27 hdmi vsync - 2.24 P8.28 hdmi pclk - 2.23 P8.29 hdmi hsync - 2.25 P8.30 hdmi de - 0.10 P8.31 / sysboot 14 hdmi d14 - 0.11 P8.32 / sysboot 15 hdmi d15 - 0.09 P8.33 / sysboot 13 hdmi d13 - 2.17 P8.34 / sysboot 11 hdmi d11 - 0.08 P8.35 / sysboot 12 hdmi d12 - 2.16 P8.36 / sysboot 10 hdmi d10 - 2.14 P8.37 / sysboot 8 hdmi d8 - 2.15 P8.38 / sysboot 9 hdmi d9 - 2.12 P8.39 / sysboot 6 hdmi d6 - 2.13 P8.40 / sysboot 7 hdmi d7 - 2.10 P8.41 / sysboot 4 hdmi d4 - 2.11 P8.42 / sysboot 5 hdmi d5 - 2.08 P8.43 / sysboot 2 hdmi d2 - 2.09 P8.44 / sysboot 3 hdmi d3 - 2.06 P8.45 / sysboot 0 hdmi d0 - 2.07 P8.46 / sysboot 1 hdmi d1 - pins not routed to the expansion headers: gpio BBB BBBW BBGW ------ ---------------------- ---------------------- ---------------------- 0.00 eth mdio bluetooth hci cts bluetooth hci cts 0.01 eth mdc bluetooth hci rts bluetooth hci rts 0.16 eth mii tx d3 wifi sdio d1 - 0.17 eth mii tx d2 wifi sdio d2 - 0.21 eth mii tx d1 - - 0.28 eth mii tx d0 bluetooth enable - 0.29 eth unused wifi irq - 2.18 eth mii rx d3 bluetooth hci rxd bluetooth hci rxd 2.19 eth mii rx d2 bluetooth hci txd bluetooth hci txd 2.20 eth mii rx d1 wifi sdio clk - 2.21 eth mii rx d0 - - 3.00 eth mii col wifi sdio d3 - 3.01 eth mii crs - - 3.02 eth mii rx err - - 3.03 eth mii tx en wifi sdio cmd - 3.04 eth mii rx dv wifi sdio d0 - 3.09 eth mii tx clk wifi enable - 3.10 eth mii rx clk wilink8 i/o enable - 1.25 hdmi irq hdmi irq - 0.19 hdmi cec 24MHz hdmi cec 24MHz -
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