4.4.1 Serial Wire Debug
The Serial Wire Debug (SWD) use two pins to communicate with the target.
| Pin on SAM R21 | Function |
|---|---|
| PA30 | SWD clock |
| PA31 | SWD data |
The Serial Wire Debug (SWD) use two pins to communicate with the target.
| Pin on SAM R21 | Function |
|---|---|
| PA30 | SWD clock |
| PA31 | SWD data |
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