Datasheet

18
9166DS–AVR-01/12
AT32UC3C
depending on the configuration of the OCD AXS register. For details, see the AVR32UC Techni-
cal Reference Manual.
3.2.6 Other Functions
The functions listed in Table 3-6 are not mapped to the normal GPIO functions. The aWire DATA
pin will only be active after the aWire is enabled. The aWire DATAOUT pin will only be active
after the aWire is enabled and the 2_PIN_MODE command has been sent.
3.3 Signals Description
The following table give details on the signal name classified by peripherals.
Table 3-5. Nexus OCD AUX port connections
Pin AXS=0 AXS=1 AXS=2
EVTI_N PA08 PB19 PA10
MDO[5] PC05 PC31 PB06
MDO[4] PC04 PC12 PB15
MDO[3] PA23 PC11 PB14
MDO[2] PA22 PB23 PA27
MDO[1] PA19 PB22 PA26
MDO[0] PA09 PB20 PA19
EVTO_N PD29 PD29 PD29
MCKO PD13 PB21 PB26
MSEO[1] PD30 PD08 PB25
MSEO[0] PD14 PD07 PB18
Table 3-6. Other Functions
QFN64/
TQFP64 pin TQFP100 pin LQFP144 pin Pad Oscillator pin
64 98 142 RESET_N aWire DATA
333PA02aWire DATAOUT
Table 3-7. Signal Description List
Signal Name Function Type
Active
Level Comments
Power
VDDIO1
VDDIO2
VDDIO3
I/O Power Supply
Power
Input
4.5V to 5.5V
or
3.0V to 3.6 V
VDDANA Analog Power Supply
Power
Input
4.5V to 5.5V
or
3.0V to 3.6 V