3.1.3.2 Test Points

A few test points covering the power supply block have been placed on the AT32UC3C-EK for the verification of important signals.

Table 3-2. Power Supply Block Test Points
DesignationFeature
TP12-14Input voltage level after D1 when the J1 external Power Supply is used
TP20-21Input voltage level after D2 when the J2 external Power Supply is used
TP22-23Input voltage for 3.3V regulator. 5V nominal
TP24-25Input voltage for all board components. 3.3V nominal
TP28-31Input voltage for all board components except Atmel AT32UC3C0512C and Atmel AT42QT1080. Should be 3.3V nominal
TP27-30Input voltage for the AT32UC3C0512C VDDIO pin. Should be 3.3V nominal
TP26-29Input voltage for the AT32UC3C0512C VDDIN pin. Should be 3.3V nominal
TP32-33Input voltage for the AT32UC3C0512C VDDANA pin. Should be 3.3V nominal
TP13GND