Specifications

RX62N Group Ethernet Transmit and Receive Settings
Start
1-bit output
_phy_preamble()
Preamble output function
_phy_preamble
End
Output of 32 bits complete?
Yes
No
Start
Set ST code (01) in
command bits 15 and 14
Command output function
_phy_reg_set
End
Highest command bit = 0?
Yes
No
Set OP code (10 or 01) in
command bits 13 and 12
Set PHYAD code (xxxxx) in
command bits 11 to 7
Set REGAD code (xxxxx) in
command bits 6 to 2
Output 1 bit (value: 0)
_phy_mii_write_0()
Output 1 bit (value: 1)
_phy_mii_write_1()
Shift command 1 to left
Output of 14 bits complete?
Yes
No
Figure 3.12 Processing Sequence of MII/RMII Register Access (2)
R01AN0629EJ0101 Rev.1.01 Page 12 of 52
Mar 31, 2011