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牛芯 JESD204B/204C

时间:2026-04-28
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简介
With sophisticated architecture and advanced technology, JESD204B /204C IP with PHY and MAC layer is designed for low power and high performance application. It is fully compatible with JESD204B/204C specification, and supports link rate up to 25Gbps per lane. Take JESD204B TX IP as an example, which assembles the parallel data from the ADCs into frames and uses 8b/10b encoding, as well as optional scrambling, to form serial output data. For the MAC side, it has the transport layer, which handles packing the data into the JESD204B frames. Besides, the data link layer is responsible for the low level functions of passing data across the link. For the PMA side, it has four lanes and a common block.
特性

Deliverables

- GDSII&CDL Netlist

- Verilog Model

- LEF Layout Abstract(.LEF)

- Liberty Timing Models(.lib)

- Verify Results

- Specification

- Datasheet

- Integration Guideline

- Evaluation Plan

- Leading support for package design, SI&PI modeling and production test development

 

Highlights

X1/X4/X8/X16 Lane Mode, support up to 25Gbps (per lane)

Shared common PLL based architecture

Digitally-control-impedance termination resistors and On-chip resistance calibration

Configurable TX output differential voltage swing

Built-in TX De-Emphasis

RX Built-in Decision Feedback Equalization

PLL Frequency Lock detection

Support BIST, and Analog DC Testing

Fully Compatible with JESD204B/204C standard release

Supports Subclasses 0, 1

Serial lane alignment and monitoring

Lane synchronization

Deterministic latency support

PRBS (PRBS-7/PRBS-15/PRBS-23/PRBS-31) generator and checker

Support data polarity inversion

8b/10b and 64b/66b encoding

Optional Scrambling/De-Scrambling

Register control through APB interface

结构图表