3 application examples, 1 debug environment, 2 test environment – Rainbow Electronics AT91CAP9S250A User Manual

Page 69

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69

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

13.3

Application Examples

13.3.1

Debug Environment

Figure 13-2 on page 69

shows a complete debug environment example. The ICE/JTAG inter-

face is used for standard debugging functions, such as downloading code and single-stepping
through the program.

Figure 13-2. Application Debug and Trace Environment Example

13.3.2

Test Environment

Figure 13-3 on page 69

shows a test environment example. Test vectors are sent and inter-

preted 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.

Figure 13-3. Application Test Environment Example

AT91CAP9-based Application

ICE/JTAG

Interface

Host Debugger

ICE/JTAG

Connector

Terminal

RS232

Connector

AT91CAP9

Tester

JTAG

Interface

ICE/JTAG

Connector

AT91CAP9-based Application Board In Test

AT91CAP9

Test Adaptor

Chip 2

Chip n

Chip 1

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