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W89C841F Datasheet, PDF (3/102 Pages) Winbond – 3-IN - 1 10/100M FAST ETHERNET CONTROLLER
W89C841F/D
Table of Contents-
1. GENERAL DESCRIPTION.......................................................................................................................... 4
2. FEATURES ................................................................................................................................................. 4
3. PIN CONFIGURATIONS............................................................................................................................. 6
4. PIN DESCRIPTION..................................................................................................................................... 9
PCI Interface.............................................................................................................................................. 9
Power Management Interface ................................................................................................................. 14
BootROM/Flash and EEPROM Interface ................................................................................................ 15
Transceiver Interface............................................................................................................................... 19
LED Interface........................................................................................................................................... 20
Configuration and Test Interface ............................................................................................................. 20
Power Pins .............................................................................................................................................. 20
5. BLOCK DIAGRAM .................................................................................................................................... 23
6. SYSTEM DIAGRAM.................................................................................................................................. 24
7. FUNCTIONAL DESCRIPTION.................................................................................................................. 25
Operation Mode Configuration ................................................................................................................ 25
Direct Memory Access Function.............................................................................................................. 25
Media Access Control (MAC) Function ................................................................................................... 26
Full Duplex and Half Duplex Function ..................................................................................................... 26
Network Media Speed Function .............................................................................................................. 26
Flow Control in Full Duplex Mode............................................................................................................ 26
Priority Tagged Frame Supporting QOS.................................................................................................. 26
EEPROM Auto-load and Software Programming Function ..................................................................... 27
BootROM Read and Flash Programming Function ................................................................................. 30
MII Management Function ....................................................................................................................... 32
System Resource Configuring................................................................................................................. 32
Power Management Function.................................................................................................................. 33
8. CONFIGURATION REGISTERS .............................................................................................................. 33
Configuration Register Mapping .............................................................................................................. 34
9. FUNCTION REGISTERS .......................................................................................................................... 47
Cxx Function Registers ........................................................................................................................... 47
Dxx Function Registers ........................................................................................................................... 62
MII Management Registers ..................................................................................................................... 79
10. ELECTRICAL CHARACTERISTICS ....................................................................................................... 90
Absolute Maximum Ratings..................................................................................................................... 90
Power Supply .......................................................................................................................................... 90
DC Characteristics................................................................................................................................... 90
AC Characteristics................................................................................................................................... 91
11. PACKAGE DIMENSIONS ..................................................................................................................... 100
W89C841F: 128L QFP (14 x 20 x 2.75 mm footprint 3.2 mm) .............................................................. 100
W89C841D: 128L LQFP (14 x 20 x 1.4 mm)......................................................................................... 101
Publication Release Date: October 18, 2001
-3-
Revision A3