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
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 |