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resources:eval:user-guides:ad9208_dual_ebz:ad9208_dual_ebz_hdl [10 May 2019 10:55] – [Block Diagram] Laszlo Nagy | resources:eval:user-guides:ad9208_dual_ebz:ad9208_dual_ebz_hdl [26 Apr 2021 16:38] (current) – [More Information] Laszlo Nagy | ||
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==== Functional Overview ==== | ==== Functional Overview ==== | ||
The AD9208-DUAL-EBZ reference design is a processor based (e.g. Microblaze) embedded system. The device interfaces to the FPGA transceivers followed by the individual JESD204B and ADC cores. The cores are programmable through an AXI-Lite interface. The samples are passed to the system memory (DDR). | The AD9208-DUAL-EBZ reference design is a processor based (e.g. Microblaze) embedded system. The device interfaces to the FPGA transceivers followed by the individual JESD204B and ADC cores. The cores are programmable through an AXI-Lite interface. The samples are passed to the system memory (DDR). | ||
+ | |||
+ | <WRAP center round download> | ||
+ | https:// | ||
+ | </ | ||
+ | |||
The reference design supports the following evaluation board: | The reference design supports the following evaluation board: | ||
^Hardware ^Evaluation Document ^ | ^Hardware ^Evaluation Document ^ | ||
- | |[[adi>dual-AD9208|DUAL-AD9208]] | + | |[[adi> |
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* [[xilinx> | * [[xilinx> | ||
+ | |||
+ | ==== Building the HDL project ==== | ||
+ | General build instructions can be found here: [[resources: | ||
==== Block Diagram ==== | ==== Block Diagram ==== | ||
- | The data path and clock domains are depicted on the below diagram. | + | The data path and clock domains are depicted on the below diagram: |
{{ : | {{ : | ||
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The links operate in Subclass 1 by using the SYSREF signal to edge align the internal local multiframe clock and to release the received data in the same moment from all lanes. Therefore ensuring that data from all channels is synchronized at the application layer. | The links operate in Subclass 1 by using the SYSREF signal to edge align the internal local multiframe clock and to release the received data in the same moment from all lanes. Therefore ensuring that data from all channels is synchronized at the application layer. | ||
- | Both links operate with the following parameters: | + | Both links are set for full bandwidth mode and operate with the following parameters: |
* Deframer paramaters: L=8, M=2, F=1, S=2, N’=16 | * Deframer paramaters: L=8, M=2, F=1, S=2, N’=16 | ||
* GLBLCLK – 375MHz (Lane Rate/40) | * GLBLCLK – 375MHz (Lane Rate/40) | ||
* REFCLK – 750MHz (Lane Rate/20) | * REFCLK – 750MHz (Lane Rate/20) | ||
- | * SYSREF – 1.46MHz (DEVCLK/ | + | * SYSREF – 1.46MHz (DEVCLK/ |
+ | * DEVCLK – 3000MHz | ||
* JESD204B Lane Rate – 15Gbps | * JESD204B Lane Rate – 15Gbps | ||
- | Both transport layer components present on their output 256 bits at once, representing | + | Both transport layer components present on their output 256 bits at once on every clock cycle, representing 8 samples per converter. |
- | + | The two receive chains | |
- | The two channels from each converter | + | An ADC buffer is used to store 65k samples per converter |
- | An ADC buffer is used to store 65k samples per channel | + | |
=== Clock sources === | === Clock sources === | ||
+ | The clock sources are depicted on the below diagram: | ||
+ | |||
{{ : | {{ : | ||
- | The global clock (LaneRate/ | + | Both physical layer transceiver modules receive the same reference clock from the clock chip SCLKOUT8 output. |
+ | The global clock (LaneRate/ | ||
+ | |||
+ | ==== More Information ==== | ||
+ | * [[: | ||
+ | * [[: | ||
+ | * [[: | ||
+ | * [[: | ||
+ | * [[: | ||
==== Support ==== | ==== Support ==== | ||
- | Analog Devices will provide limited online support for anyone using the core with Analog Devices components (ADC, DAC, Video, Audio, etc) via the [[https://ez.analog.com/ | + | Analog Devices will provide limited online support for anyone using the core with Analog Devices components (ADC, DAC, Video, Audio, etc) via the [[ez>community/ |