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Update README.md

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philippe44
2021-01-24 00:29:50 -08:00
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README.md
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@@ -51,7 +51,7 @@ The board showed above has the following IO set
- key1: not sure, using GPIO36 in a matrix
- jack insertion: GPIO39 (inserted low)
- D4 -> GPIO22 used for green LED (active low)
- D5 -> GPIO19 as well (muxed with key3)
- D5 -> GPIO19 (muxed with key3)
- 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)
- 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