SAM4L Datasheet, PDF (88/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
8.11 Functional Description
8.11.1
Debug Environment
Figure 8-8 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.
Figure 8-8. Application Debug Environment Example
SWJ-DP
Emulator/Probe
Host Debugger
PC
SWJ-DP
Connector
SAM4
SAM4-based Application Board
8.11.2
Test Environment
Figure 8-9 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.
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42023C–SAM–02/2013