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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
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1.4.5.1. Clock and Reset Signals
Signal | Direction | Width | Description |
---|---|---|---|
reset_reset_n | input | 1 | Reset signal for the system reference design. This is asynchronous and active low signal. |
fpga_clk_100 | input | 1 | Arria V SoC operating clock. |
ref_clk_644_0 | input | 1 | Reference clock for Altera 10GBASE-R PHY for channel 0. |
ref_clk_644_1 | input | 1 | Reference clock for Altera 10GBASE-R PHY for channel 1. |
clk_644_out | output | 1 | Reference clock for Altera 10GBASE-R PHY output signal for debug purposes. |