W5500 Datasheet, PDF (5/65 Pages) List of Unclassifed Manufacturers – Supports 8 independent sockets simultaneously

Table of Contents
1 Pin Assignment .......................................................................................... 7
1.1
Pin Descriptions ..............................................................................7
2 HOST Interface......................................................................................... 12
2.1
SPI Operation Mode ........................................................................ 13
2.2
SPI Frame .................................................................................... 14
2.2.1 Address Phase......................................................................... 14
2.2.2 Control Phase ......................................................................... 15
2.2.3 Data Phase ............................................................................ 17
2.3
Variable Length Data Mode (VDM)....................................................... 17
2.3.1 Write Access in VDM ................................................................. 18
2.3.2 Read Access in VDM .................................................................. 21
2.4
Fixed Length Data Mode (FDM) .......................................................... 24
2.4.1 Write Access in FDM ................................................................. 25
2.4.2 Read Access in FDM .................................................................. 26
3 Register and Memory Organization................................................................ 27
3.1
Common Register Block ................................................................... 29
3.2
Socket Register Block...................................................................... 30
3.3
Memory ...................................................................................... 31
4 Register Descriptions ................................................................................. 32
4.1
Common Registers ......................................................................... 32
4.2
Socket Registers ............................................................................ 44
5 Electrical Specifications ............................................................................. 59
5.1
Absolute Maximum Ratings ............................................................... 59
5.2
Absolute Maximum Ratings (Electrical Sensitivity)................................... 59
5.3
DC Characteristics ......................................................................... 60
5.4
POWER DISSIPATION ........................................................................ 61
5.5
AC Characteristics ......................................................................... 61
5.5.1 Reset Timing .......................................................................... 61
5.5.2 Wake up Time......................................................................... 61
5.5.3 Crystal Characteristics .............................................................. 61
5.5.4 SPI Timing ............................................................................. 62
5.5.5 Transformer Characteristics........................................................ 63
5.5.6 MDIX .................................................................................... 63
6 Package Descriptions ................................................................................. 64
Document History Information......................................................................... 65
W5500 Datasheet Version1.0 (August 2013)
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