Clocks
Description
The EVK1101 provides three clock inputs for AT32UC3B0256
- Main clock oscillator on OSC0 : XC2 at 12MHz
- A spare clock oscillator on OSC1 : XC1 at 12 MHz
- A RTC clock XC3 at 32,768 Khz
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Pinout
The Clock Interface follows the pinout:
| CLOCK Interface | GPIO Name | Alternate function used |
|---|---|---|
| XC1 | PA 28, PA 29 | Xin1 |
| XC2 | PA 18, PA 19 | Xin0 |
| XC3 | PA 11,PA 12 | Xin32 |
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