LAN9500 Datasheet, PDF (142/213 Pages) SMSC Corporation – USB 2.0 to 10/100 Ethernet Controller Promiscuous mode

LAN950x
7.3.16 DATA PORT COMMAND REGISTER (DP_CMD)
Address:
044h
Size:
32 bits
This register commences the data port access. Writing a one to this register will enable a write access, while writing a
zero will do a read access.
The address and data registers need to be configured appropriately for the desired read or write operation before
accessing this register.
Bits
31:1 RESERVED
Description
0 Data Port Write.
Selects operation. Writing to this bit initiates the data port access.
0 = read operation
1 = write operation
Type
RO
R/W
Default
-
0b
DS00001875A-page 142
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