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