lan9313 Standard Microsystems Corp., lan9313 Datasheet - Page 390

• Manufacturer Part Number: lan9313
• Description: Lan9313/lan9313i Three Port 10/100 Managed Ethernet Switch With Mii
• Manufacturer: Standard Microsystems Corp.

Revision 1.2 (04-08-08)
14.5.2
Configuration
SYMBOL
Output Drive
t
t
t
t
odad
rstia
Strap Pins
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csh
nRST
Reset and Configuration Strap Timing
This diagram illustrates the nRST pin timing requirements and its relation to the configuration strap
pins and output drive. Assertion of nRST is not a requirement. However, if used, it must be asserted
for the minimum period specified. Please refer to
information.
Note: Device configuration straps are latched as a result of nRST assertion. Refer to
nRST input assertion time
Configuration strap pins setup to nRST deassertion
Configuration strap pins hold after nRST deassertion
Output drive after deassertion
"Configuration Straps," on page 45
Table 14.6 nRST Reset Pin Timing Values
DESCRIPTION
Figure 14.2 nRST Reset Pin Timing
t
rstia
t
DATASHEET
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390
for details.
t
csh
t
odad
Section 4.2, "Resets," on page 41
Three Port 10/100 Managed Ethernet Switch with MII
MIN
200
200
10
30
TYP
SMSC LAN9313/LAN9313i
MAX
Section 4.2.4,
for additional
Datasheet
UNITS
μ S
nS
nS
nS