R-IN32M3_15 Datasheet, PDF (97/105 Pages) Renesas Technology Corp – LSI for Industrial Ethernet

R-IN32M3 Series Data Sheet
(3) Serial management interface
Parameter
ETH_MDC output cycle
ETH_MDIO input setup time
ETH_MDIO input hold time
ETH_MDIO output delay time
4. Electrical Specifications
Symbol
tMDC
tSMDIO
tHMDIO
tDMDIO
Conditions
CL = 30pF
MIN
80
10
0
20
MAX
Unit
-
ns
-
ns
-
ns
-
ns
ETH_MDC
(output)
ETH_MDIO
(input)
ETH_MDIO
(output)
< t_MDC>
< t_SMDIO>
< t_DMDIO>
< t_HMDIO>
< t_DMDIO>
Figure 4.23 Ethernet access timing diagram (serial management)
R18DS0008EJ0204
Dec 25, 2014
Page 97 of 100