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Su.macawl, Su.macwd1, Su.macwd2 – Maxim Integrated DS33R11 User Manual

Page 176: Su.macwd3

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DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver

176 of 344

Register Name:

SU.MACWD1

Register Description:

MAC Write Data 1

Register Address:

147h


Bit

# 7 6 5 4 3 2 1 0

Name

MACWD15 MACWD14 MACWD13 MACWD12 MACWD11 MACWD10 MACWD09 MACWD08

Default

0 0 0 0 0 0 0 0

Bits 0 – 7: MAC Write Data 1 (MACWD8-15) 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:

SU.MACWD2

Register Description:

MAC Write Data Register 2

Register Address:

148h


Bit

# 7 6 5 4 3 2 1 0

Name

MACWD23 MACWD22 MACWD21 MACWD20 MACWD19 MACWD18 MACWD17 MACWD16

Default

0 0 0 0 0 0 0 0

Bits 0 - 7: MAC Write Data 2 (MACWD16-23) 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:

SU.MACWD3

Register Description:

MAC Write Data 3

Register Address:

149h


Bit

# 7 6 5 4 3 2 1 0

Name

MACD31 MACD30 MACD29 MACD28 MACD27 MACD26 MACD25 MACD24

Default

0 0 0 0 0 0 0 0

Bits 0 – 7: MAC Write Data 3 (MACD24-31) 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:

SU.MACAWL

Register Description:

MAC Address Write Low

Register Address:

14Ah


Bit

# 7 6 5 4 3 2 1 0

Name

MACAW

7 MACAW

6 MACAW

5 MACAW4 MACAW3 MACAW2 MACAW1 MACAW0

Default

0 0 0 0 0 0 0 0


Bits 0 -7: MAC Write Address (MACAW0-7) Low byte of the MAC indirect write address. Used only for write
operations.