AN 739: Altera 1588 System Solution

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ID 683410
Date 1/28/2016
Public
Document Table of Contents
Document Table of Contents x
1. Altera 1588 System Solution
1. Altera 1588 System Solution x
1.1. Altera 1588 System Level Overview 1.2. Precision Time Protocol (PTP) Concept in A 1588 System 1.3. Reference Design Walk-through 1.4. System Architecture 1.5. Altera 1588 System Solution Document Revision History
1.2. Precision Time Protocol (PTP) Concept in A 1588 System x
1.2.1. Understanding the Different PTP Clocks 1.2.2. Precision Time Protocol (PTP) Synchronization Process 1.2.3. Functional Flow For A 1588 Ordinary Clock Master/Slave Mode System 1.2.4. Functional Flow For A 1588 Transparent Clock Master/Slave Mode System 1.2.5. Functional Flow for A 1588 Boundary Clock Mode System 1.2.6. Timestamp Packet Functional Flow in Linux Driver
1.3. Reference Design Walk-through x
1.3.1. System Requirements 1.3.2. Reference Design User Guide
1.3.2. Reference Design User Guide x
1.3.2.1. Hardware Setup 1.3.2.2. Executing The Reference Design 1.3.2.3. Replacing RBF File
1.3.2.1. Hardware Setup x
1.3.2.1.1. Loading the Boot Image into SD Card 1.3.2.1.2. Setting Up Development Kit 1.3.2.1.3. Booting Up The Reference Design
1.4. System Architecture x
1.4.1. System Modules 1.4.2. Clocking and Reset Scheme 1.4.3. System Parameters 1.4.4. System Register Map 1.4.5. Interface Signals
1.4.1. System Modules x
1.4.1.1. MAC 1.4.1.2. Time of Day (ToD) 1.4.1.3. Packet Parser 1.4.1.4. The Central Processing Unit (CPU) 1.4.1.5. FIFO
1.4.4. System Register Map x
1.4.4.1. MAC Registers 1.4.4.2. Transceiver Registers 1.4.4.3. PTP Control Registers 1.4.4.4. 1588 ToD Clock Registers
1.4.5. Interface Signals x
1.4.5.1. Clock and Reset Signals 1.4.5.2. PHY Interface Signals 1.4.5.3. HPS Signals
1. Altera 1588 System Solution

1.4.1.1. MAC

The MAC transmit block adds the PHY transmit path delay to the timestamp, places the net timestamp value at the byte offset given by the packet parser and recalculates the CRC for the packet before the packet is sent to the PHY. The 1588 MAC receive block record the timestamp of the incoming packet, subtracts the PHY receive path delay from the timestamp and sends the net timestamp value to the user logic.

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