Specifications

RX62N Group Ethernet Transmit and Receive Settings
Start
Write 0x00000000 to PIR register
Data input function
_phy_reg_read
End
MDC wait OK?
Yes
No
Write 0x00000001 to PIR register
MDC wait OK?
Yes
No
Read MDI bit in PIR register
Write 0x00000001 to PIR register
MDC wait OK?
Yes
No
MDC wait OK?
Yes
No
Write 0x00000000 to PIR register
Reading of 16 bits complete?
Yes
No
The MDC wait is defined as MDC_WAIT.
MDC_WAIT is defined in phy.h.
Output low-level from ET_MDC pin.
Set ET_MDIO pin to read direction.
Output high-level from ET_MDC.
Output high-level from ET_MDC.
Output low-level from ET_MDC pin.
Figure 3.13 Processing Sequence of MII/RMII Register Access (3)
R01AN0629EJ0101 Rev.1.01 Page 13 of 52
Mar 31, 2011