LAN9311i SMSC [SMSC Corporation], LAN9311i Datasheet - Page 446

• Manufacturer Part Number: LAN9311i
• Description: Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
• Manufacturer: SMSC [SMSC Corporation]

Revision 1.6 (08-18-09)
Configuration Straps
15.5.3
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.
15.5.2, "Reset and Configuration Strap Timing," on page 445
Straps," on page 40
Table 15.7 Power-On Configuration Strap Latching Timing Values
Figure 15.3 Power-On Configuration Strap Latching Timing
DESCRIPTION
for additional details.
2.0V
DATASHEET
446
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
t
cfg
MIN
and
TYP
Section 4.2.4, "Configuration
SMSC LAN9311/LAN9311i
MAX
15
Datasheet
UNITS
Section
mS