W89C841F Datasheet, PDF (27/102 Pages) Winbond – 3-IN - 1 10/100M FAST ETHERNET CONTROLLER

W89C841F/D
EEPROM Auto-load and Software Programming Function
W89C841F reads configuration parameter from EEPROM and stores these data into the configuration
registers and function registers after hardware reset. EEPROM 93C46 or 93C56 will be the choice as
the storage device for storing these data according to different application.
In PCI/Mini-PCI application, W89C841F stores configuration parameters and Vital Product Data (VPD)
in EEPROM 93C46. Configuration parameters and relative register are listed below:
1) 6 bytes Ethernet address (Register Dcc[31:0] and Dd0[15:0])
2) 1 byte maximum latency (Register F3c[31:24])
3) 1 byte minimum grant (Register F3c[23:16])
4) 2 bytes subsystem ID (Register F2c[31:16])
5) 2 bytes subsystem Vendor ID (Register F2c[15:0])
6) 2 bytes Device ID (Register F00[31:16])
7) 2 bytes Vendor ID (Register F00[15:0])
8) 4 bytes CardBus CIS Pointer (Register F28[31:0])
9) 1 bit Power Management Data Enable
10) 3 bits Auxiliary Current (Register Fdc[24:22])
11) 2 bits Data Scale (Register Fe0[14:13])
12) 6 bytes Power Consumption and Dissipation data for D0, D1 and D3 State (Register Fe0[31:24])
13) 1 bits Power Management Enable (Register D00[6])
14) 1 bit VPD Enable (Register D00[5])
15) 2 bits Bus Type (Register D00[1:0])
16) 1 bit CLKRUN enable (Register D00[11])
17) 1 bit Magic Packet enable (Register D00[10])
18) 3 bits Boot ROM Size (Register Dc0[30:28])
19) 1 byte Base Class Code (Register F08[31:24])
20) 1 byte Subclass code (Register F08[23:16])
21) 1 byte Interface Code (Register F08[15:8]
22) 1 bytes Revision ID (Register F08[7:0]
23) 64 Bytes VPD Data
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Publication Release Date: October 18, 2001
Revision A3