ATXMEGA256A3_10 Datasheet, PDF (107/110 Pages) ATMEL Corporation – 8/16-bit AVR XMEGA A3 Microcontroller

8068R–AVR–08/10
XMEGA A3
19 RTC - Real-Time Counter ...................................................................... 35
19.1Features ................................................................................................................35
19.2Overview ...............................................................................................................35
20 TWI - Two Wire Interface ....................................................................... 36
20.1Features ................................................................................................................36
20.2Overview ...............................................................................................................36
21 SPI - Serial Peripheral Interface ............................................................ 37
21.1Features ................................................................................................................37
21.2Overview ...............................................................................................................37
22 USART ..................................................................................................... 38
22.1Features ................................................................................................................38
22.2Overview ...............................................................................................................38
23 IRCOM - IR Communication Module .................................................... 39
23.1Features ................................................................................................................39
23.2Overview ...............................................................................................................39
24 Crypto Engine ........................................................................................ 40
24.1Features ................................................................................................................40
24.2Overview ...............................................................................................................40
25 ADC - 12-bit Analog to Digital Converter ............................................. 41
25.1Features ................................................................................................................41
25.2Overview ...............................................................................................................41
26 DAC - 12-bit Digital to Analog Converter ............................................. 43
26.1Features ................................................................................................................43
26.2Overview ...............................................................................................................43
27 AC - Analog Comparator ....................................................................... 44
27.1Features ................................................................................................................44
27.2Overview ...............................................................................................................44
27.3Input Selection .......................................................................................................46
27.4Window Function ...................................................................................................46
28 OCD - On-chip Debug ............................................................................ 47
28.1Features ................................................................................................................47
28.2Overview ...............................................................................................................47
29 Program and Debug Interfaces ............................................................. 48
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