ATXMEGA32A4-CU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATXMEGA32A4-CU

8/16-bit AVR® XMEGA A4 Microcontroller

Atmel Corporation 

XMEGA A4

Table of Contents

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

Typical Applications ................................................................................ 1

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

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

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

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

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

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

5 Disclaimer ................................................................................................. 7

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

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

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

6.3Register File ..............................................................................................................9

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

6.5Program Flow ............................................................................................................9

7 Memories ................................................................................................ 10

7.1Features ..................................................................................................................10

7.2Overview .................................................................................................................10

7.3In-System Programmable Flash Program Memory .................................................11

7.4Data Memory ...........................................................................................................12

7.5Production Signature Row .......................................................................................13

7.6User Signature Row ................................................................................................13

7.7Flash and EEPROM Page Size ...............................................................................14

8 DMAC - Direct Memory Access Controller .......................................... 15

8.1Features ..................................................................................................................15

8.2Overview .................................................................................................................15

9 Event System ......................................................................................... 16

9.1Features ..................................................................................................................16

9.2Overview .................................................................................................................16

10 System Clock and Clock options ......................................................... 18

10.1Features ................................................................................................................18

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8069O–AVR–08/10

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