Specifications

RX62N Group Ethernet Transmit and Receive Settings
ET_MDC
MDO
1-bit data write timing relationship
(1) (3)(2)
(1) Write to PHY
interface register
PIR.MMD = 1
PIR.MDO = write data
PIR.MDC = 0
(2) Write to PHY
interface register
PIR.MMD = 1
PIR.MDO = write data
PIR.MDC = 1
(3) Write to PHY
interface register
PIR.MMD = 1
PIR.MDO = write data
PIR.MDC = 0
Figure 3.4 1-Bit Data Write Sequence
ET_MDC
MDO
Bus release timing relationship
(1) Write to PHY
interface register
PIR.MMD = 0
PIR.MDC = 0
(2) Write to PHY
interface register
PIR.MMD = 0
PIR.MDC = 1
(3) Write to PHY
interface register
PIR.MMD = 0
PIR.MDC = 0
(1) (3)(2)
Figure 3.5 Bus Release Sequence (TA During Read)
R01AN0629EJ0101 Rev.1.01 Page 8 of 52
Mar 31, 2011