ATXMEGA32D4-CU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATXMEGA32D4-CU

8/16-bit Atmel XMEGA D4 Microcontroller

Atmel Corporation 

XMEGA D4

Table of Contents

Features ..................................................................................................... 1

1 Ordering Information ............................................................................... 2

2 Pinout/Block Diagram .............................................................................. 3

3 Overview ................................................................................................... 5

3.1 Block Diagram ...................................................................................................6

4 Resources ................................................................................................. 7

4.1 Recommended reading .....................................................................................7

5 Capacitive touch sensing ........................................................................ 7

6 AVR CPU ................................................................................................... 8

6.1 Features ............................................................................................................8

6.2 Overview ............................................................................................................8

6.3 Architectural Overview .......................................................................................8

6.4 ALU - Arithmetic Logic Unit ...............................................................................9

6.5 Program Flow ..................................................................................................10

6.6 Status Register ................................................................................................10

6.7 Stack and Stack Pointer ..................................................................................10

6.8 Register File ....................................................................................................11

7 Memories ................................................................................................ 12

7.1 Features ..........................................................................................................12

7.2 Overview ..........................................................................................................12

7.3 Flash Program Memory ...................................................................................13

7.4 Fuses and Lock bits .........................................................................................14

7.5 Data Memory ...................................................................................................15

7.6 EEPROM .........................................................................................................15

7.7 I/O Memory ......................................................................................................15

7.8 Data Memory and Bus Arbitration ...................................................................16

7.9 Memory Timing ................................................................................................16

7.10 Device ID and Revision ...................................................................................16

7.11 I/O Memory Protection .....................................................................................16

7.12 Flash and EEPROM Page Size .......................................................................16

8 Event System ......................................................................................... 18

8.1 Features ..........................................................................................................18

i

8135L–AVR–06/12

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