KSZ8893MQLI Datasheet, PDF (111/116 Pages) Micrel Semiconductor – Integrated 3-Port 10/100 Managed Switch with PHYs

Micrel, Inc.
KSZ8893MQL/MBL
Reset Timing
The KSZ8893MQL/MBL reset timing requirement is summarized in the following figure and table.
Figure 31. Reset Timing
Parameter
Description
Min
t_sr
Stable supply voltages to reset High
10
t_cs
Configuration setup time
50
tch
Configuration hold time
50
t_rc
Reset to strap-in pin output
50
Table 32. Reset Timing Parameters
Max
Units
ms
ns
ns
us
After the de-assertion of reset, it is recommended to wait a minimum of 100 us before starting programming on
the managed interface (I2C slave, SPI slave, SMI, MIIM).
February 2010
111
M9999-021110-1.6