CHAPTER 21:Ethernet MAC
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
661
[bit31] write0: Write 0
Always read written value. Writing with "0".
[bit30] write1: Write 1
Must be written with "1" for a valid Clause 22 frame and with "0" for a valid Clause 45 frame.
[bit29:28] operation: Operation
Bits
Description
00
Reserved
01
Write operation.
10
Read operation.
11
Reserved
[bit27:23] phy_address: PHY address
PHY address.
[bit22:18] register_address: Register address
Specifies the register in the PHY to access.
[bit17:16] write10: Write 10
Always read written value, Write with "0x2".
[bit15:0] phy_write_read_data: PHY write/read data
For a write operation the value in this register is written to the PHY as data. For a read operation this
register contains the data read from the PHY.
Summary of Contents for S6J3200 Series
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