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resources:fpga:peripherals:jesd204:jesd204_glossary [15 Apr 2020 15:05] – [Abbreviations] Laszlo Nagyresources:fpga:peripherals:jesd204:jesd204_glossary [07 Feb 2022 12:30] (current) – [Clocks] Laszlo Nagy
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 | **character clock** | Clock with which 8b10b characters and octets are generated. | | **character clock** | Clock with which 8b10b characters and octets are generated. |
 | **conversion clock** | Clock used by a converter device to perform the A2D or D2A conversion.  | | **conversion clock** | Clock used by a converter device to perform the A2D or D2A conversion.  |
-| **device clock** | Master clock supplied to the JESD204B device from which all other clock signals must be derived. | +| **link clock** | Link parallel clock feeding the link layer, lane rate / 40 or lane rate / 80 for 204B links, lane rate / 66 for 204C 64b66b links |  
 +| **device clock** | Master clock supplied to the JESD204B device from which all other clock signals must be derived. In context of FPGA is an integer multiple of frame clock, used directly in link, transport and application layers. | 
 | **frame clock** | Clock rate at which samples are generated/processed. Has the same rate as the conversion clock, except for interpolating DACs or decimating DACs, where it is slower by the interpolation/decimation factor.  | | **frame clock** | Clock rate at which samples are generated/processed. Has the same rate as the conversion clock, except for interpolating DACs or decimating DACs, where it is slower by the interpolation/decimation factor.  |
 | **line clock** | Clock for the high-speed serial interface. | | **line clock** | Clock for the high-speed serial interface. |
resources/fpga/peripherals/jesd204/jesd204_glossary.txt · Last modified: 07 Feb 2022 12:30 by Laszlo Nagy