SLVSM70
November 2026
DP83C8522
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
DP83C8522x Device Comparison
5
Pin Configuration and Function
5.1
Pin Configuration and Functions (DP83C8522xM)
5.2
Pin Configuration and Functions (DP83C8522xRL)
5.3
Pin Configuration and Functions (DP83C8522xRF)
6
Specifications
6.1
Thermal Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Auto-Negotiation (Speed/Duplex Selection)
7.3.2
Auto-MDIX Resolution
7.3.3
Energy Efficient Ethernet
7.3.3.1
EEE Overview
7.3.3.2
EEE Negotiation
7.3.4
EEE for Legacy MACs Not Supporting 802.3az
7.3.5
Wake-on-LAN Packet Detection
7.3.5.1
Magic Packet Structure
7.3.5.2
Magic Packet Example
7.3.5.3
Wake-on-LAN Configuration and Status
7.3.6
Low-Power Modes
7.3.6.1
Active Sleep
7.3.6.2
IEEE Power-Down
7.3.6.3
Deep Power Down State
7.3.7
Clock Output
7.3.8
Media Independent Interface (MII)
7.3.9
Reduced Media Independent Interface (RMII)
7.3.10
RMII Repeater Mode
7.3.11
Serial Management Interface
7.3.11.1
Extended Register Space Access
7.3.11.2
Write Address Operation
7.3.11.3
Read Address Operation
7.3.11.4
Write (No Post Increment) Operation
7.3.11.5
Read (No Post Increment) Operation
7.3.11.6
Example Write Operation (No Post Increment)
7.3.12
100BASE-TX
7.3.12.1
100BASE-TX Transmitter
7.3.12.1.1
Code-Group Encoding and Injection
7.3.12.1.2
Scrambler
7.3.12.1.3
NRZ to NRZI Encoder
7.3.12.1.4
Binary to MLT-3 Converter
7.3.12.2
100BASE-TX Receiver
7.3.13
10BASE-Te
7.3.13.1
Squelch
7.3.13.2
Normal Link Pulse Detection and Generation
7.3.13.3
Jabber
7.3.13.4
Active Link Polarity Detection and Correction
7.3.14
Loopback Modes
7.3.14.1
Near-end Loopback
7.3.14.2
MII Loopback
7.3.14.3
PCS Loopback
7.3.14.4
Digital Loopback
7.3.14.5
Analog Loopback
7.3.14.6
Far-End (Reverse) Loopback
7.3.15
BIST Configurations
7.3.16
Cable Diagnostics
7.3.16.1
Time Domain Reflectometry (TDR)
7.3.17
LED and GPIO Configuration
7.4
DP83C8522x Configuration
7.4.1
Hardware Bootstraps Configuration
7.4.1.1
DP83C8522x Hardware Configurations
8
Register Maps
8.1
DP83C8522x Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Twisted-Pair Interface (TPI) Network Circuit
9.2.2
Transformer Recommendations
9.2.3
Capacitive DC Blocking
9.2.4
Design Requirements
9.2.4.1
Clock Requirements
9.2.4.1.1
Oscillator
9.2.4.1.2
Crystal
9.2.5
Detailed Design Procedure
9.2.5.1
MII Layout Guidelines
9.2.5.2
RMII Layout Guidelines
9.2.5.3
MDI Layout Guidelines
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.1.1
Signal Traces
9.4.1.2
Return Path
9.4.1.3
Transformer Layout
9.4.1.4
Metal Pour
9.4.1.5
PCB Layer Stacking
9.4.1.5.1
Layout Example
10
Device and Documentation Support
10.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
メカニカル・データ(パッケージ|ピン)
RHB|32
サーマルパッド・メカニカル・データ
発注情報
slvsm70_oa
Data Sheet
DP83C8522x
Multisource, Pin-to-Pin, 10/100 Mbps, Industrial Ethernet PHY