Datasheet

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DP83849C
8.2 AC Specs
8.2.1 Power Up Timing
Note: In RMII Mode, the minimum Post Power up Stabilization and Hardware Configuration Latch-in times are 84ms.
Parameter Description Notes Min Typ Max Units
T2.1.1 Post Power Up Stabilization
time prior to MDC preamble for
register accesses
MDIO is pulled high for 32-bit serial man-
agement initialization
X1 Clock must be stable for a min. of
167ms at power up.
167 ms
T2.1.2 Hardware Configuration Latch-
in Time from power up
Hardware Configuration Pins are de-
scribed in the Pin Description section
X1 Clock must be stable for a min. of
167ms at power up.
167 ms
T2.1.3 Hardware Configuration pins
transition to output drivers
50 ns
Vcc
Hardware
RESET_N
MDC
32 clocks
Latch-In of Hardware
Configuration Pins
Dual Function Pins
Become Enabled As Outputs
input
output
T2.1.3
T2.1.2
T2.1.1
X1 clock