Datasheet

14
32072SH–AVR32–10/2012
AT32UC3A3
3.3 Signal Descriptions
The following table gives details on signal name classified by peripheral.
Table 3-6. Signal Description List
Signal Name Function Type
Active
Level Comments
Power
VDDIO I/O Power Supply Power 3.0 to 3.6V
VDDANA Analog Power Supply Power 3.0 to 3.6V
VDDIN Voltage Regulator Input Supply Power 3.0 to 3.6V
VDDCORE Voltage Regulator Output for Digital Supply
Power
Output
1.65 to 1.95 V
GNDANA Analog Ground Ground
GNDIO I/O Ground Ground
GNDCORE Digital Ground Ground
GNDPLL PLL Ground Ground
Clocks, Oscillators, and PLL’s
XIN0, XIN1, XIN32 Crystal 0, 1, 32 Input Analog
XOUT0, XOUT1,
XOUT32
Crystal 0, 1, 32 Output Analog
JTAG
TCK Test Clock Input
TDI Test Data In Input
TDO Test Data Out Output
TMS Test Mode Select Input
Auxiliary Port - AUX
MCKO Trace Data Output Clock Output
MDO[5:0] Trace Data Output Output
MSEO[1:0] Trace Frame Control Output
EVTI_N Event In Input Low
EVTO_N Event Out Output Low
Power Manager - PM
GCLK[3:0] Generic Clock Pins Output