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2Notes on the STM32F4 Discovery Board
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5http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/PF252419
6http://www.digikey.com/product-detail/en/STM32F4DISCOVERY/497-11455-ND/2711743
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9LK Debug/Console UART
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11- USART2 is used
12- TX is A2
13- RX is A3
14- both are on the P1 header near the top
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17Using external SWD debug
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19- Remove jumpers from CN3 4-pin header (near mini-usb connector)
20- CN3 pin2 is SWCLK
21- CN2 pin4 is SWDIO
22- GND is available on P2, nearby
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