Texas Instruments DS320PR412-421EVM, Руководство пользователя

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User’s Guide
DS320PR412-421EVM User's Guide
ABSTRACT
The DS320PR412-421EVM evaluation module provides a complete high-bandwidth platform for evaluating the
signal conditioning features of the DS320PR412, DS320PR421, SN75LVPE5412 and SN75LVPE5421 Quad-
Channel PCI Express 5.0 Linear Redrivers with integrated Mux/Demux. This evaluation board can be used for
standard compliance testing, performance evaluation, and initial system prototyping.
Note: In this document, all instances of DS320PR412 can be interchangeable with SN75LVPE5412 and all
instances of DS320PR421 are interchangeable with SN75LVPE5421.
Figure 1-1. DS320PR412-421EVM
Table of Contents
1 Introduction ............................................................................................................................................................................. 3
1.1 Features............................................................................................................................................................................. 3
1.2 Applications........................................................................................................................................................................ 3
2 Description .............................................................................................................................................................................. 4
2.1 Redriver-Mux 5-Level I/O Control Inputs............................................................................................................................ 4
2.2 Redriver-Mux Modes of Operation..................................................................................................................................... 4
2.3 Redriver-Mux SMBus or I2C Register Control Interface.................................................................................................... 4
2.4 Redriver-Mux Equalization Control.................................................................................................................................... 5
2.5 Redriver-Mux RX Detect State Machine............................................................................................................................ 5
2.6 Redriver-Mux DC Gain Control.......................................................................................................................................... 6
2.7 DS320PR412-421EVM Global Controls............................................................................................................................ 7
2.8 DS320PR412-421EVM Downstream Devices Control....................................................................................................... 8
2.9 DS320PR412-421EVM Upstream Devices Control........................................................................................................... 9
2.10 Quick-Start Guide (Pin Mode)........................................................................................................................................ 10
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SNLU301 – NOVEMBER 2021
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