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ATxmega128A4 Datasheet(PDF) 49 Page - ATMEL Corporation

Part # ATxmega128A4
Description  8/16-bit XMEGA A4 Microcontroller
PDF  107 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATxmega128A4 Datasheet(HTML) 49 Page - ATMEL Corporation

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49
8069O–AVR–08/10
XMEGA A4
30. Pinout and Pin Functions
The pinout of XMEGA A4 is shown in ”Pinout/Block Diagram” on page 3. In addition to general
I/O functionality, each pin may have several functions. 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 Functions Description
The tables below shows the notation for all pin functions available and describe their functions.
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



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