参数资料
型号: IV80C52EXXX-25:RD
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP44
封装: 1.40 MM HEIGHT, VQFP-44
文件页数: 79/134页
文件大小: 3805K
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
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