參數(shù)資料
型號: LAN9116
廠商: SMSC Corporation
英文描述: Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
中文描述: 高效的單芯片10/100非PCI以太網(wǎng)控制器
文件頁數(shù): 17/126頁
文件大?。?/td> 831K
代理商: LAN9116
Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
SMSC LAN9116
17
Revision 1.1 (05-17-05)
DATASHEET
69
EEPROM Clock,
GPO4 RX_DV,
RX_CLK
EECLK/GPO4/
RX_DV/RX_CLK
O8
1
EEPROM Clock:
Serial EEPROM
Clock pin.
General Purpose Output 4:
This
pin can also function as a general-
purpose output, or it can be
configured to monitor the RX_DV or
RX_CLK signals on the internal MII
port. When configured as a GPO
signal, or as an RX_DV/RX_CLK
monitor, the EECS pin is deasserted
so as to never unintentionally access
the serial EEPROM. This signal
cannot function as a general-
purpose input.
Table 2.5 System and Power Signals
PIN
NO.
NAME
SYMBOL
BUFFER
TYPE
NUM
PINS
DESCRIPTION
6
Crystal 1
XTAL1
lclk
1
External 25MHz Crystal Input.
Can also be connected to single-
ended TTL oscillator. If this method is
implemented, XTAL2 should be left
unconnected.
5
Crystal 2
XTAL2
Oclk
1
External 25MHz Crystal output.
95
Reset
nRESET
IS
(PU)
1
Active-low reset input. Resets all
logic and registers within the
LAN9116
This signal is pulled high
with a weak internal pull-up
resistor. If nRESET is left
unconnected, the
LAN9116
will
rely on its internal power-on reset
circuitry
Note:
The LAN9116 must always
be read at least once after
power-up, reset, or upon
return from a power-saving
state or write operations will
not function. See
Section
3.11, "Detailed Reset
Description," on page 40
for
additional information
Table 2.4 Serial EEPROM Interface Signals (continued)
PIN
NO.
NAME
SYMBOL
BUFFER
TYPE
NUM
PINS
DESCRIPTION
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