| Updated for: |
|---|
| Intel® Quartus® Prime Design Suite 21.3 |
| IP Version 19.2.0 |
This user guide provides the features, usage guidelines, and detailed description about the design examples for the JESD204B Intel® FPGA IP using Intel® Agilex™ devices.
This document is intended for:
| Reference | Description |
|---|---|
| JESD204B Intel® FPGA IP User Guide | This document provides information about the JESD204B Intel® FPGA IP. |
| JESD204B Intel® FPGA IP Release Notes | This document provides release information for the JESD204B Intel® FPGA IP. |
| Intel® Agilex™ Device Data Sheet | This document describes the electrical characteristics, switching characteristics, configuration specifications, and timing for Intel® Agilex™ devices. |
| Acronym | Expansion |
|---|---|
| LMFC | Local Multiframe Clock |
| FC | Frame clock rate |
| ADC | Analog to Digital Converter |
| DAC | Digital to Analog Converter |
| DSP | Digital Signal Processor |
| TX | Transmitter |
| RX | Receiver |
| DLL | Data link layer |
| CSR | Control and status register |
| CRU | Clock and Reset Unit |
| ISR | Interrupt Service Routine |
| FIFO | First-In-First-Out |
| SERDES | Serializer Deserializer |
| ECC | Error Correcting Code |
| SERR | Single Error Detection (in ECC, correctable) |
| DERR | Double Error Detection (in ECC, fatal) |
| PRBS | Pseudorandom binary sequence |
| MAC | Media Access Controller. MAC includes protocol sublayer, transport layer, and data link layer. |
| PHY | Physical Layer. PHY typically includes the physical layer, SERDES, drivers, receivers and CDR. |
| PCS | Physical Coding Sub-layer |
| PMA | Physical Medium Attachment |
| RBD | RX Buffer Delay |
| UI | Unit Interval = duration of serial bit |
| RBD count | RX Buffer Delay latest lane arrival |
| RBD offset | RX Buffer Delay release opportunity |
| TL | Transport layer |
| Term | Description |
|---|---|
| Converter Device | ADC or DAC converter |
| Logic Device | FPGA or ASIC |
| Octet | A group of 8 bits, serving as input to 8B/10B encoder and output from the decoder |
| Data Rate | Effective data rate per lane for serial link Data Rate = Sampling rate per converter x M x N' x (10/8)/L
Note: Sampling rate in Msps (Mega samples per second); Data rate in Mbps (Megabits per second)
|
| Link Clock | The associated parallel data bus is 40 bits wide. Link Clock = Data Rate/40. |
| Frame | A set of consecutive octets in which the position of each octet can be identified by reference to a frame alignment signal. |
| Frame Clock | A system clock which runs at the frame's rate. |
| Samples per frame clock | Samples per clock, the total samples in frame clock for the converter device. |
| LMFC | Local multiframe clock is counter generated from the link clock and depends on the F and K parameters. LMFC Period = (FxK/4) x Link Clock Period; the value of FxK must be divisible by 4. |
| Subclass 0 | No support for deterministic latency. Data should be immediately released upon lane to lane deskew on receiver. |
| Subclass 1 | Deterministic latency using SYSREF. |
| Multipoint Link | Inter-device links with 2 or more converter devices. |
| Term | Description |
|---|---|
| L | Number of lanes per converter device |
| M | Number of converters per device |
| F | Number of octets per frame on a single lane |
| S | Number of samples transmitted per single converter per frame cycle |
| N | Converter resolution |
| N’ | Total number of bits per sample in the user data format |
| CS | Number of control bits per conversion sample |
| CF | Number of control words per frame clock period per link |
| HD | High Density user data format |