lan9312 Standard Microsystems Corp., lan9312 Datasheet - Page 446

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lan9312

Manufacturer Part Number
lan9312
Description
Lan9312 High Performance Two Port 10/100 Managed Ethernet Switch With 32-bit Non-pci Cpu Interface
Manufacturer
Standard Microsystems Corp.
Datasheet

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Revision 1.2 (04-08-08)
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.
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
DATASHEET
2.0V
446
t
cfg
MIN
and
TYP
Section 4.2.4, "Configuration
MAX
15
SMSC LAN9312
Datasheet
UNITS
Section
mS

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