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Routing Debug_halt and Trace Signals with Multi-PPC405 Core Designs
Related links: PowerPC 405 Embedded Cores, PowerPC 440 Embedded Core, PowerPC 460S Embedded Core, PowerPC 464 H90 Embedded Core, PowerPC 464FP H90 Embedded Core

Application Note
The PowerPC4XX processors cores contain a software Trace facility along with the usual JTAG debug facility. The Trace signals are used with software debugging probes to examine software running on the processor. In multi-processor SOC applications, some thought must be given to if the Trace facility of each CPU core will be used. This application note will briefly discuss methods of routing the Trace signals from the processor core to the chip top I/O pins and highlight some issues and concerns.

Revision Date: 02/27/07

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