DS33R41 Maxim Integrated Products, DS33R41 Datasheet - Page 167

• Manufacturer Part Number: DS33R41
• Description: Network Controller & Processor ICs Inverse-Multiplexing Ethernet Mapper wit
• Manufacturer: Maxim Integrated Products

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: MAC Read Data 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:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: MAC Read Data 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:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: MAC Write Data 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.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: MAC Write Data 1 (MACWD15 to MACWD8). 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.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: MAC Write Data 2 (MACWD23 to MACWD16). 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.
MACWD7
MACWD15
MACWD23
MACRD23
MACRD31
7
0
7
0
7
0
7
0
7
0
MACWD6
MACWD14
MACWD22
MACRD22
MACRD30
6
0
6
0
6
0
6
0
6
0
SU.MACRD2
MAC Read Data Byte 2
144h
SU.MACRD3
MAC Read Data Byte 3
145h
SU.MACWD0
MAC Write Data 0
146h
SU.MACWD1
MAC Write Data 1
147h
SU.MACWD2
MAC Write Data 2
148h
MACWD5
MACWD13
MACWD21
MACRD21
MACRD29
5
0
5
0
5
0
5
0
5
0
MACWD4
MACWD12
MACWD20
MACRD20
MACRD28
167 of 335
0
0
4
0
0
0
4
4
4
4
MACWD3
MACWD11
MACWD19
MACRD19
MACRD27
3
0
3
0
3
0
3
0
3
0
MACWD2
MACWD10
MACWD18
MACRD18
MACRD26
2
0
2
0
2
0
2
0
2
0
MACWD1
MACWD09
MACWD17
MACRD17
MACRD25
1
0
1
0
1
0
1
0
1
0
MACWD0
MACWD08
MACRD16
MACRD24
MACWD16
0
0
0
0
0
0
0
0
0
0