KSZ9031RNX datasheet, PDF - EEWORLD Datasheet

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KSZ9031RNX: DescriptionDATACOM, ETHERNET TRANSCEIVER, QCC48; CategoryTopical application Wireless rf/communication; File Size1MB，79 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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KSZ9031RNX Overview

DATACOM, ETHERNET TRANSCEIVER, QCC48

KSZ9031RNX Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	48
Maximum operating temperature	70 Cel
Minimum operating temperature	0.0 Cel
Rated supply voltage	1.2 V
Processing package description	7 X 7 MM, LEAD FREE, QFN-48
state	ACTIVE
packaging shape	SQUARE
Package Size	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
surface mount	Yes
Terminal form	NO LEAD
Terminal spacing	0.5000 mm
Terminal location	QUAD
Packaging Materials	UNSPECIFIED
Temperature level	COMMERCIAL
Communication type	ETHERNET TRANSCEIVER

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KSZ9031RNX

Gigabit Ethernet Transceiver with RGMII

Support

Features

• Single-Chip 10/100/1000 Mbps Ethernet Trans-

ceiver Suitable for IEEE 802.3 Applications

• RGMII Timing Supports On-Chip Delay According

to RGMII Version 2.0, with Programming Options

for External Delay and Making Adjustments and

Corrections to TX and RX Timing Paths

• RGMII with 3.3V/2.5V/1.8V Tolerant I/Os

• Auto-Negotiation to Automatically Select the

Highest Link-Up Speed (10/100/1000 Mbps) and

Duplex (Half/Full)

• On-Chip Termination Resistors for the Differential

Pairs

• On-Chip LDO Controller to Support Single 3.3V

Supply Operation – Requires Only One External

FET to Generate 1.2V for the Core

• Jumbo Frame Support up to 16 KB

• 125 MHz Reference Clock Output

• Energy Detect Power-Down Mode for Reduced

Power Consumption When the Cable is Not

Attached

• Wake-On-LAN (WOL) Support with Robust Cus-

tom-Packet Detection

• Programmable LED Outputs for Link, Activity, and

Speed

• Baseline Wander Correction

• LinkMD TDR-Based Cable Diagnostic to Identify

Faulty Copper Cabling

• Parametric NAND Tree Support to Detect Faults

Between Chip I/Os and Board

• Loopback Modes for Diagnostics

• Automatic MDI/MDI-X Crossover to Detect and

Correct Pair Swap at all Speeds of Operation

• Automatic Detection and Correction of Pair

Swaps, Pair Skew, and Pair Polarity

• MDC/MDIO Management Interface for PHY Reg-

ister Configuration

• Interrupt Pin Option

• Power-Down and Power-Saving Modes

• Operating Voltages

- Core (DVDDL, AVDDL, AVDDL_PLL): 1.2V

(External FET or Regulator)

- VDD I/O (DVDDH): 3.3V, 2.5V, or 1.8V

- Transceiver (AVDDH): 3.3V or 2.5V (Com-

mercial Temp.)

• AEC-Q100 Grade 3 (KSZ9031RNXUA/UB) and

Grade 2 (KSZ9031RNXVA/VB) Qualified for Auto-

motive Applications

• 48-pin QFN (7 mm × 7 mm) Package

Target Applications

•

Laser/Network Printer

Network Attached Storage (NAS)

Network Server

Gigabit LAN on Motherboard (GLOM)

Broadband Gateway

Gigabit SOHO/SMB Router

IPTV

IP Set-Top Box

Game Console

Triple-Play (Data, Voice, Video) Media Center

Industrial Control

Automotive In-Vehicle Networking



2016-2017 Microchip Technology Inc.

DS00002117F-page 1

KSZ9031RNX

Table of Contents

1.0 Introduction ..................................................................................................................................................................................... 4

2.0 Pin Description and Configuration .................................................................................................................................................. 5

3.0 Functional Description .................................................................................................................................................................. 13

4.0 Register Descriptions .................................................................................................................................................................... 31

5.0 Operational Characteristics ........................................................................................................................................................... 52

6.0 Electrical Characteristics ............................................................................................................................................................... 53

7.0 Timing Diagrams ........................................................................................................................................................................... 57

8.0 Reset Circuit ................................................................................................................................................................................. 63

9.0 Reference Circuits — LED Strap-In Pins ...................................................................................................................................... 65

10.0 Reference Clock - Connection and Selection ............................................................................................................................. 66

11.0 On-Chip LDO Controller - MOSFET Selection ............................................................................................................................ 66

12.0 Magnetic - Connection and Selection ......................................................................................................................................... 67

13.0 Package Outlines ........................................................................................................................................................................ 69

Appendix A: Data Sheet Revision History ........................................................................................................................................... 74

The Microchip Web Site ...................................................................................................................................................................... 76

Customer Change Notification Service ............................................................................................................................................... 76

Customer Support ............................................................................................................................................................................... 76

Product Identification System ............................................................................................................................................................. 77



2016-2017 Microchip Technology Inc.

DS00002117F-page 3

KSZ9031RNX Related Products

	KSZ9031RNX	KSZ9031RNXUB-VAO	KSZ9031RNXUB-TRVAO
Description	DATACOM, ETHERNET TRANSCEIVER, QCC48	IC TXRX ETHERNET 48VQFN	IC TXRX ETHERNET 48VQFN
Number of functions	1	1	1
Number of terminals	48	48	48
Maximum operating temperature	70 Cel	85 °C	85 °C
Minimum operating temperature	0.0 Cel	-40 °C	-40 °C
surface mount	Yes	YES	YES
Terminal form	NO LEAD	NO LEAD	NO LEAD
Terminal location	QUAD	QUAD	QUAD
Temperature level	COMMERCIAL	INDUSTRIAL	INDUSTRIAL
Maker	-	Microchip	Microchip
package instruction	-	HVQCCN,	HVQCCN,
Reach Compliance Code	-	compliant	compliant
JESD-30 code	-	S-XQCC-N48	S-XQCC-N48
length	-	7 mm	7 mm
Package body material	-	UNSPECIFIED	UNSPECIFIED
encapsulated code	-	HVQCCN	HVQCCN
Package shape	-	SQUARE	SQUARE
Package form	-	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Filter level	-	AEC-Q100; TS 16949	AEC-Q100; TS 16949
Maximum seat height	-	0.9 mm	0.9 mm
Nominal supply voltage	-	1.2 V	1.2 V
Telecom integrated circuit types	-	ETHERNET TRANSCEIVER	ETHERNET TRANSCEIVER
Terminal pitch	-	0.5 mm	0.5 mm
width	-	7 mm	7 mm

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