14 lines
454 B
Markdown
14 lines
454 B
Markdown
# README
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This example is the same as fancy\_blink except that it uses the systick timer
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to generate time accurate delays. The blue LED flashes four times per second.
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There is internal reference clock available on MCO output pin. This can be used
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to debug the PLL clock setup by scope.
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## Board connections
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| Port | Function | Description |
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| ----- | -------- | ------------------------ |
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| `PA9` | `(MCO)` | Internal reference clock |
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