A few test points covering the power supply block have been placed on the AT32UC3L-EK for the verification of important signals.
| Designation | Feature |
|---|---|
| TP7 | Input voltage level after D1 when the J2 external power supply is used |
| TP8 | Input voltage for all boards' components except the AT32UC3L064. Should be 3.3V nominal. |
| TP9 | Input voltage for the AT32UC3L064 VDDIO pin. Should be 3.3V nominal. |
| TP10 | Output voltage out of the external regulator |
| TP11 | Input voltage for the AT32UC3L064 VDDIN pin. Should be 3.3V nominal |
| TP12 | GND |
To locate the test points mentioned above, use the assembly top/bottom views provided within the AT32UC3L-EK schematics package.