Datasheet

T2.1.1
T2.1.2
32 CLOCKS
T2.1.3
OUTPUTINPUT
Vcc
X1 clock
Hardware
RESET_N
MDC
Latch-In of Hardware
Configuration Pins
Dual Function Pins
Become Enabled As Outputs
DP83620
www.ti.com SNLS339C –JANUARY 2011–REVISED APRIL 2013
4.5 AC Specifications — Power Up Timing
Parameter Description Notes Min Typ Max Units
T2.1.1 Post Power Up Stabilization time
MDIO is pulled high for 32-bit serial
prior to MDC preamble for register 167 ms
management initialization.
accesses
(1)
T2.1.2 Hardware Configuration Pins are
Hardware Configuration Latch-in
described in the Pin Description 167 ms
Time from power up
(1)
section.
T2.1.3 Hardware Configuration pins
50 ns
transition to output drivers
(1) In RMII Slave Mode, the minimum Post Power up Stabilization and Hardware Configuration Latch-in times are 84 ms.
Copyright © 2011–2013, Texas Instruments Incorporated Electrical Specifications 15
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