ATXMEGA32A4-CU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATXMEGA32A4-CU

8/16-bit AVR® XMEGA A4 Microcontroller

Atmel Corporation 

XMEGA A4

29. Program and Debug Interfaces

29.1 Features

29.2 Overview

• PDI - Program and Debug Interface (Atmel proprietary 2-pin interface)

• Access to the OCD system

• Programming of Flash, EEPROM, Fuses and Lock Bits

The programming and debug facilities are accessed through PDI physical interface. The PDI

physical interface uses one dedicated pin together with the Reset pin, and no general purpose

pins are used.

29.3 PDI - Program and Debug Interface

The PDI is an Atmel proprietary protocol for communication between the microcontroller and

Atmel’s development tools.

48

8069O–AVR–08/10

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