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boards:demov1 [2022/11/13 12:55] – [Setup] darron | boards:demov1 [2022/11/21 13:48] (current) – darron | ||
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{{: | {{: | ||
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- | {{: | + | {{: |
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{{boards: | {{boards: | ||
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SPI1 MISO PA6 | SPI1 MISO PA6 | ||
SPI1 MOSI PA7 | SPI1 MOSI PA7 | ||
+ | </ | ||
+ | |||
+ | ===Clocks=== | ||
+ | |||
+ | < | ||
+ | HSE 8000000 X1 8MHz | ||
+ | HSI 8000000 | ||
+ | LSE 0 N/A | ||
+ | LSI 32768 | ||
</ | </ | ||
=== Power === | === Power === | ||
- | Power is supplied on the USB socket which feeds a 3V3 LDO regulator. The USB socket does not support I/O, it's only for powering the device. | ||
- | === Setup === | + | Power is supplied on the USB socket or the 5V pins. This feeds a 3V3 LDO regulator. |
+ | |||
+ | The USB socket does not support I/O, it's only for powering the device. | ||
+ | |||
+ | === Test === | ||
For testing this board use a [[interfaces: | For testing this board use a [[interfaces: | ||
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pin and provide a pulse for testing STM32 EXTI. | pin and provide a pulse for testing STM32 EXTI. | ||
- | For programming, | + | For programming, |
==Wiring== | ==Wiring== | ||
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< | < | ||
- | picocom --lower-rts -b 115200 / | + | picocom |
</ | </ | ||
+ | |||
+ | From the RS232 perspective RTS is inverted so when picocom takes | ||
+ | the line low, it's actually a high logical output and the board | ||
+ | is taken out of reset. | ||
==Reset== | ==Reset== | ||
- | CTRL A CTRL G will change | + | Picocom |
- | to alter the reset line. | + | |
- | + | ||
- | From the RS232 perspective it's inverted so when picocom says | + | |
- | the line is low, it's actually a high output and the device | + | |
- | is out of reset. | + | |
==Reboot== | ==Reboot== | ||
- | If the board is sleeping, picocom can reboot | + | If the board is sleeping, picocom can reboot |
- | for new programming. | + | it for new programming. |
< | < | ||
- | picocom --lower-rts --baud 115200 --exit-after 0 / | + | picocom |
</ | </ | ||
==Pulse== | ==Pulse== | ||
- | CTRL A CTRL P will pulse the DTR pin from low to high for | + | Picocom |
- | 1 second. | + | 1 second |
- | === Test === | + | === Programming |
- | Test SWD with J-Link | + | Use SWD with J-Link |
==J-Link== | ==J-Link== |