Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet

42023ES–SAM–07/2013

 shows a complete debug environment example. The SWJ-DP interface is used for

standard debugging functions, such as downloading code and single-stepping through the pro-
gram and viewing core and peripheral registers.

Application Debug Environment Example 

 shows a test environment example (JTAG Boundary scan). Test vectors are sent and

interpreted by the tester. In this example, the “board in test” is designed using a number of
JTAG-compliant devices. These devices can be connected to form a single scan chain.

SAM4

Host Debugger

PC

SAM4-based Application Board

SWJ-DP

Connector

SWJ-DP

Emulator/Probe