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Time Synchronization Hardware on Intel® Network Processor IXP43X

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Time Synchronization Hardware on Intel® Network Processor IXP43X

1.0 Introduction

The IEEE* 1588 standard defines a precision clock synchronization protocol for Networked Measurement and Control Systems. It provides a kind of correction mechanism by implementing several message exchange timing information to synchronize the individual clocks of the multiple systems.

The Intel® Network Processor IXP43X product line provides hardware assist block to achieve this purpose. The hardware assist block is called “Time Synchronization Hardware Assist” (TSYNC). Refer to the Intel® Network Processor IXP43X product line Developer’s Manual for detailed information.

1.1 Purpose
The intention of this application note is to guide you on the changes needed in the Intel® Network Processor IXP43X software to enable Time Synchronization Hardware Assist block on the Intel® Network Processor IXP43X product line. In Intel® Network Processor IXP43X software, this access layer module is called “Time Sync Access Layer” or “timeSyncAcc”.

The Intel® Network Processor IXP43X software Time Sync Access Layer is already being used to enable TSYNC block on the Intel® Network Processor IXP43X product line; this application note will guide you on how to enable the TSYNC block for the Intel® Network Processor IXP43X product line.

Note: This document is targeted for Intel® Network Processor IXP43X software v2.4 and above only as the Intel® Network Processor IXP43X software v2.4 and above alone support Intel® Network Processor IXP43X product line.

Read the full Time Synchronization Hardware on Intel® Network Processor IXP43X Application Note.