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MB91401
61
(7) MDIO interface
Parameter Symbol Pin typical timing
Value
Unit Remarks
Min Max
MDIO setup time tsu_mdio MDIO MDCLK ↑ 10 ns
MDIO Hold Time thd_mdio MDIO MDCLK ↑ 0 ns
MDIO delay time tdel_mdio MDIO MDCLK ↑ 10 30 ns
MDIO switching time
(IN → OUT)
tdel_turnon MDIO MDCLK ↑ 10 30 ns
MDIO switching time
(OUT → IN)
tdel_turnoff MDIO MDCLK ↑ 10 30 ns
MDCLK
MDIO (INPUT)
tsu_mdio
thd_mdio
tsu_mdio
thd_mdio
MDCLK
MDIO (OUTPUT)
tdel_mdio
tdel_mdio
MDCLK
MDIO
(INPUT OUTPUT)
tdel_turnon
Input Mode Output Mode
MDCLK
MDIO
(OUTPUT INPUT)
tdel_turnoff
Input ModeOutput Mode
Prelminary
2004.11.12