DP83826E, DP83826I
ZHCSKM7F –DECEMBER 2019 –REVISED NOVEMBER 2022
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Table of Contents
9.2 Functional Block Diagram.........................................26
9.3 Feature Description...................................................26
9.4 Programming............................................................ 47
9.5 Register Maps...........................................................51
10 Application and Implementation..............................135
10.1 Application Information......................................... 135
10.2 Typical Applications.............................................. 135
11 Power Supply Recommendations............................140
12 Layout.........................................................................141
12.1 Layout Guidelines................................................. 141
13 Device and Documentation Support........................144
13.1 Related Documentation........................................ 144
13.2 Receiving Notification of Documentation Updates144
13.3 Support Resources............................................... 144
13.4 Trademarks...........................................................144
13.5 Electrostatic Discharge Caution............................144
13.6 术语表................................................................... 144
14 Mechanical, Packaging, and Orderable
1 特性................................................................................... 1
2 应用................................................................................... 1
3 说明................................................................................... 1
4 Revision History.............................................................. 2
5 Mode Comparison Tables...............................................4
6 Pin Configuration and Functions (ENHANCED
Mode)............................................................................... 5
7 Pin Configuration and Functions (BASIC Mode)..........8
8 Specifications................................................................ 11
8.1 绝对最大额定值.........................................................11
8.2 ESD 等级...................................................................11
8.3 建议运行条件............................................................ 12
8.4 热性能信息................................................................12
8.5 电气特性....................................................................13
8.6 时序要求....................................................................16
8.7 Timing Diagrams.......................................................19
8.8 Typical Characteristics..............................................24
9 Detailed Description......................................................25
9.1 Overview...................................................................25
Information.................................................................. 145
4 Revision History
注：以前版本的页码可能与当前版本的页码不同
Changes from Revision E (February 2022) to Revision F (November 2022)
Page
• Corrected Reset states for RX_D3, LED0.......................................................................................................... 8
• 更新了热指标.................................................................................................................................................... 12
• Adjusted Power-Up Timing (Power Sequencing) graphic ................................................................................19
• Adjusted RMII Repeater Mode: Master-Slave and RMII Repeater Mode: Slave-Slave graphics .................... 30
• Clarified MDIO pullup resistor values............................................................................................................... 35
• Changed Rlo strap for internal PU pin to 1.5kΩ. Added recommended tolerance for resistor values.............47
• Added Enhanced Bootstrap Flowchart graphic................................................................................................ 49
• Corrected Strap0 default and functionality in Enhanced Mode.........................................................................49
• Updated device registers..................................................................................................................................51
• Adjusted location of Transformer Recommendations .................................................................................... 136
Changes from Revision D (October 2020) to Revision E (February 2022)
Page
• Pin 31 default is changed to LED1, added odd nibble detection and FLD detection mechanisms in hardware
bootstrap differences table..................................................................................................................................4
• Added TX_ER to pin 28......................................................................................................................................5
• Pin 31 default is changed to LED1..................................................................................................................... 8
• Pin 31 default is changed to LED1, updated pin 16 and pin 31 to PU................................................................8
• Added fast link drop modes table, updated description for fast link drop functionality in Included specification
for the different defaults between enhanced and basic mode, added strap8 description.................................45
• Added description that LED1/0 are autopolarity (enhanced), active low by default (basic)..............................46
• Added odd nibble detection table, added strap7 and strap1 interaction to MII MAC mode strap table, added
signal energy alternate function to strap8.........................................................................................................49
• Pin 31 default is changed to LED1, pin 16 default changed to half duplex.......................................................51
• TPI network cap updates................................................................................................................................136
Copyright © 2022 Texas Instruments Incorporated
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