lan9303 Standard Microsystems Corp., lan9303 Datasheet - Page 352

• Manufacturer Part Number: lan9303
• Description: Small Form Factor Three Port 10/100 Managed Ethernet Switch With Single Mii/rmii/turbo Mii
• Manufacturer: Standard Microsystems Corp.

Revision 1.3 (08-27-09)
Configuration Straps
14.5.3
SYMBOL
t
cfg
Power-On Configuration Strap Valid Timing
This diagram illustrates the configuration strap valid timing requirements in relation to power-on. In
order for valid configuration strap values to be read at power-on, the following timing requirements
must be met.
Note: Configuration straps must only be pulled high or low. Configuration straps must not be driven
Note: Device configuration straps are also latched as a result of nRST assertion. Refer to
VDD33IO
Configuration strap valid time
as inputs.
14.5.2, "Reset and Configuration Strap Timing," on page 351
Straps," on page 45
Table 14.8 Power-On Configuration Strap Latching Timing Values
Figure 14.3 Power-On Configuration Strap Latching Timing
DESCRIPTION
for additional details.
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
2.0V
DATASHEET
352
t
cfg
MIN
and
TYP
Section 4.2.4, "Configuration
SMSC LAN9303/LAN9303i
MAX
15
Datasheet
UNITS
Section
mS