ATSAM4LS4BA-AU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATSAM4LS4BA-AU

ATSAM ARM-based Flash MCU

Atmel Corporation 

ATSAM4L8/L4/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.

94

42023GS–SAM–03/2014

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