ATXMEGA256D3 Datasheet, PDF (95/98 Pages) ATMEL Corporation – 8/16-bit AVR XMEGA D3 Microcontroller

8134G–AVR–08/10
XMEGA D3
19 TWI - Two Wire Interface ....................................................................... 35
19.1Features ................................................................................................................35
19.2Overview ...............................................................................................................35
20 SPI - Serial Peripheral Interface ............................................................ 36
20.1Features ................................................................................................................36
20.2Overview ...............................................................................................................36
21 USART ..................................................................................................... 37
21.1Features ................................................................................................................37
21.2Overview ...............................................................................................................37
22 IRCOM - IR Communication Module .................................................... 38
22.1Features ................................................................................................................38
22.2Overview ...............................................................................................................38
23 ADC - 12-bit Analog to Digital Converter ............................................. 39
23.1Features ................................................................................................................39
23.2Overview ...............................................................................................................39
24 AC - Analog Comparator ....................................................................... 41
24.1Features ................................................................................................................41
24.2Overview ...............................................................................................................41
24.3Input Selection .......................................................................................................43
24.4Window Function ...................................................................................................43
25 OCD - On-chip Debug ............................................................................ 44
25.1Features ................................................................................................................44
25.2Overview ...............................................................................................................44
26 PDI - Program and Debug Interface ..................................................... 45
26.1Features ................................................................................................................45
26.2Overview ...............................................................................................................45
27 Pinout and Pin Functions ...................................................................... 46
27.1Alternate Pin Function Description ........................................................................46
27.2Alternate Pin Functions .........................................................................................48
28 Peripheral Module Address Map .......................................................... 51
29 Instruction Set Summary ...................................................................... 52
30 Electrical Characteristics ...................................................................... 56
iii