Datasheet

49
8068U–AVR–06/2013
XMEGA A3
Not recommended for new designs -
Use XMEGA A3U series
30. Pinout and Pin Functions
The pinout of XMEGA A3 is shown ”” on page 2. In addition to general I/O functionality, each pin
may have several function. This will depend on which peripheral is enabled and connected to
the actual pin. Only one of the alternate pin functions can be used at time.
30.1 Alternate Pin Function Description
The tables below show the notation for all pin functions available and describe its function.
30.1.1 Operation/Power Supply
30.1.2 Port Interrupt functions
30.1.3 Analog functions
30.1.4 Timer/Counter and AWEX functions
VCC Digital supply voltage
AVCC Analog supply voltage
GND Ground
SYNC Port pin with full synchronous and limited asynchronous interrupt function
ASYNC Port pin with full synchronous and full asynchronous interrupt function
ACn Analog Comparator input pin n
AC0OUT Analog Comparator 0 Output
ADCn Analog to Digital Converter input pin n
DACn Digital to Analog Converter output pin n
AREF Analog Reference input pin
OCnx Output Compare Channel x for Timer/Counter n
OCnx
Inverted Output Compare Channel x for Timer/Counter n
OCnxLS Output Compare Channel x Low Side for Timer/Counter n
OCnxHS Output Compare Channel x High Side for Timer/Counter n