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DS33Z41 Quad IMUX Ethernet Mapper
113 of 167
Register Name:
SU.MACRD1
Register Description:
MAC Read Data Byte 1
Register Address:
143h
Bit
# 7 6 5 4 3 2 1 0
Name MACRD15 MACRD14 MACRD13 MACRD12 MACRD11 MACRD10 MACRD9 MACRD8
Default
0 0 0 0 0 0 0 0
Bits 7 to 0: MAC Read Data Byte 1 (MACRD15 to MACRD8).
One of four bytes of data read from the MAC.
Valid after a read command has been issued and the
SU.MACRWC
.MCS bit is zero.
Register Name:
SU.MACRD2
Register Description:
MAC Read Data Byte 2
Register Address:
144h
Bit #
7 6 5 4 3 2 1 0
Name
MACRD23 MACRD22 MACRD21 MACRD20 MACRD19 MACRD18 MACRD17 MACRD16
Default
0 0 0 0 0 0 0 0
Bits 7 to 0: MAC Read Data Byte 2 (MACRD23 to MACRD16).
One of four bytes of data read from the MAC.
Valid after a read command has been issued and the
SU.MACRWC
.MCS bit is zero.
Register Name:
SU.MACRD3
Register Description:
MAC Read Data Byte 3
Register Address:
145h
Bit
# 7 6 5 4 3 2 1 0
Name MACRD31 MACRD30 MACRD29 MACRD28 MACRD27 MACRD26 MACRD25 MACRD24
Default
0 0 0 0 0 0 0 0
Bits 7 to 0: MAC Read Data Byte 3 (MACRD31 to MACRD24).
One of four bytes of data read from the MAC.
Valid after a read command has been issued and the
SU.MACRWC
.MCS bit is zero.
Register Name:
SU.MACWD0
Register Description:
MAC Write Data Byte 0
Register Address:
146h
Bit
# 7 6 5 4 3 2 1 0
Name
MACWD7 MACWD6 MACWD5 MACWD4 MACWD3 MACWD2 MACWD1 MACWD0
Default
0 0 0 0 0 0 0 0
Bits 7 to 0: MAC Write Data Byte 0 (MACWD7 to MACWD0).
One of four bytes of data to be written to the
MAC. Data has been written after a write command has been issued and the
SU.MACRWC
.MCS bit is zero.