
Micrel, Inc.
KSZ8051MNL/RNL
July 2010
54
M9999-070910-1.0
Reset Timing
The KSZ8051MNL/RNL reset timing requirement is summarized in the following figure and table.
Figure 18. Reset Timing
Parameter
Description
Min
Max
Units
tsr
Stable supply voltage (VDDIO, VDDA_3.3) to reset high
10
ms
tcs
Configuration setup time
5
ns
tch
Configuration hold time
5
ns
trc
Reset to strap-in pin output
6
ns
Table 19. Reset Timing Parameters
After the de-assertion of reset, it is recommended to wait a minimum of 100s before starting programming on the MIIM
(MDC/MDIO) Interface.