atxmega128a4-mu ATMEL Corporation, atxmega128a4-mu Datasheet - Page 40

• Manufacturer Part Number: atxmega128a4-mu
• Description: Atxmega16a4 8/16-bit Avr Xmega Microcontroller
• Manufacturer: ATMEL Corporation

27. Program, Debug and Test Interfaces
27.1
27.2
27.3
40
Features
Overview
PDI - Program and Debug Interface
ATxmega A4
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The PDI is the physical interface to access the debug facilities. When used, the PDI make use of
2 pins.
The PDI is an Atmel proprietary protocol for communication between the microcontroller and
Atmel’s development tools.
PDI - Program and Debug Interface (Atmel proprietary 2-pin interface)
Access to the OCD system
Programming of Flash, EEPROM, Fuses and Lock Bits
8069A–AVR–02/08