SMSC LAN9311 User Manual
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
189
Revision 1.4 (08-19-08)
DATASHEET
14.2.2.8
Host MAC CSR Interface Data Register (MAC_CSR_DATA)
Note:
The full list of Host MAC CSR’s are described in
. For more information on the Host MAC, refer to
.
Offset:
0A8h
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
Host MAC CSR Data
This field contains the value read from or written to the Host MAC CSR as
specified in the
This field contains the value read from or written to the Host MAC CSR as
specified in the
. Upon a read, the value returned depends on the R/nW
bit in the MAC_CSR_CMD register. If R/nW is a 1, the data in this register
is from the Host MAC. If R/nW is 0, the data is the value that was last written
into this register.
is from the Host MAC. If R/nW is 0, the data is the value that was last written
into this register.
Note:
The MAC_CSR_CMD and MAC_CSR_DATA registers must not be
modified until the CSR Busy bit is cleared in the MAC_CSR_CMD
register.
modified until the CSR Busy bit is cleared in the MAC_CSR_CMD
register.
R/W
00000000h