ATXMEGA256A3B_09 ATMEL [ATMEL Corporation], ATXMEGA256A3B_09 Datasheet - Page 51
ATXMEGA256A3B_09
Manufacturer Part Number
ATXMEGA256A3B_09
Description
8/16-bit XMEGA A3B Microcontroller
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATXMEGA256A3B_09.pdf
(102 pages)
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30. Pinout and Pin Functions
30.1
30.1.1
30.1.2
30.1.3
30.1.4
30.1.5
8116F–AVR–09/09
Alternate Pin Function Description
Operation/Power Supply
Port Interrupt functions
Analog functions
Timer/Counter and AWEX functions
Communication functions
The pinout of XMEGA A3B is shown in
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.
The tables below shows the notation for all pin functions available and describes its function.
VCC
AVCC
VBAT
GND
SYNC
ASYNC
ACn
AC0OUT
ADCn
DACn
AREF
OCnx
OCxn
SCL
SDA
SCLIN
SCLOUT
SDAIN
SDAOUT
Digital supply voltage
Battery Backup Module supply voltage
Ground
Port pin with full synchronous and limited asynchronous interrupt function
Analog to Digital Converter input pin n
Analog Reference input pin
Output Compare Channel x for Timer/Counter n
Serial Clock In for TWI when external driver interface is enabled
Serial Clock Out for TWI when external driver interface is enabled
Serial Data In for TWI when external driver interface is enabled
Analog supply voltage
Port pin with full synchronous and full asynchronous interrupt function
Analog Comparator input pin n
Analog Comparator 0 Output
Digital to Analog Converter output pin n
Inverted Output Compare Channel x for Timer/Counter n
Serial Clock for TWI
Serial Data for TWI
Serial Data Out for TWI when external driver interface is enabled
”Pinout/Block Diagram” on page
XMEGA A3B
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