Datasheet

8
AT32UC3A
5. Signals Description
The following table gives details on the signal name classified by peripheral
The signals are multiplexed with GPIO pins as described in ”Peripheral Multiplexing on I/O lines”
on page 31.
Table 5-1. Signal Description List
Signal Name Function Type
Active
Level Comments
Power
VDDPLL Power supply for PLL
Power
Input
1.65V to 1.95 V
VDDCORE Core Power Supply
Power
Input
1.65V to 1.95 V
VDDIO I/O Power Supply
Power
Input
3.0V to 3.6V
VDDANA Analog Power Supply
Power
Input
3.0V to 3.6V
VDDIN Voltage Regulator Input Supply
Power
Input
3.0V to 3.6V
VDDOUT Voltage Regulator Output
Power
Output
1.65V to 1.95 V
GNDANA Analog Ground Ground
GND Ground Ground
Clocks, Oscillators, and PLLs
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
MDO0 - MDO5 Trace Data Output Output
32058KS–AVR32–01/12