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Update README.md

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philippe44
2021-01-24 00:29:19 -08:00
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README.md
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@@ -54,7 +54,7 @@ The board showed above has the following IO set
- D5 -> GPIO19 as well (muxed with key3) - D5 -> GPIO19 as well (muxed with key3)
- The IO connector also brings GPIO5, GPIO18, GPIO19, GPIO21, GPIO22 and GPIO23 (don't forget it's muxed with keys!) - The IO connector also brings GPIO5, GPIO18, GPIO19, GPIO21, GPIO22 and GPIO23 (don't forget it's muxed with keys!)
- The JTAG connector uses GPIO 12, 13, 14 and 15 (see dip switched) but these are also used for SD-card (and 13 is key2) - The JTAG connector uses GPIO 12, 13, 14 and 15 (see dip switched) but these are also used for SD-card (and 13 is key2)
- It's alwats possible to re-use GPIOO (download at boot) and GPIO1/GPIO3 which are RX/TX of UART0 but you'll lose trace - It's always possible to re-use GPIOO (download at boot) and GPIO1/GPIO3 which are RX/TX of UART0 but you'll lose trace
(note that some GPIO need pullups) (note that some GPIO need pullups)