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docs: Update doc

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windowsair 2021-06-07 11:06:44 +08:00
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@ -85,11 +85,10 @@ You can also specify your IP in the above file (We recommend using the static ad
| GND | GND | | GND | GND |
In order to use SPI acceleration, you need to physically connect `SWDIO(GPIO12)` to `SWDIO_MOSI(GPIO13)`.
Here, we give a simple example for reference: Here, we give a simple example for reference:
![sch](https://user-images.githubusercontent.com/17078589/107851862-f9589e80-6e47-11eb-9eca-e80760822a6a.png) ![sch](https://user-images.githubusercontent.com/17078589/120953707-2a0a6e00-c780-11eb-9ad8-7221cf847974.png)
Alternatively, you can connect directly with wires as we gave at the beginning, without additional circuits. Alternatively, you can connect directly with wires as we gave at the beginning, without additional circuits.