參數(shù)資料
型號: LAN9116-MT
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 微控制器/微處理器
英文描述: Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
中文描述: 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封裝: ROHS COMPLIANT, TQFP-100
文件頁數(shù): 16/126頁
文件大?。?/td> 831K
代理商: LAN9116-MT
Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
Revision 1.1 (05-17-05)
16
SMSC LAN9116
DATASHEET
Table 2.3 LAN Interface Signals
PIN
NO.
NAME
SYMBOL
BUFFER
TYPE
NUM
PINS
DESCRIPTION
79
TXP
TPO+
AO
1
Twisted Pair Transmit Output,
Positive
78
TXN
TPO-
AO
1
Twisted Pair Transmit Output,
Negative
83
RXP
TPI+
AI
1
Twisted Pair Receive Input, Positive
82
RXN
TPI-
AI
1
Twisted Pair Receive Input, Negative
87
PHY External Bias
Resistor
EXRES1
AI
1
Must be connected to ground through
a 12.4K ohm 1% resistor.
Table 2.4 Serial EEPROM Interface Signals
PIN
NO.
NAME
SYMBOL
BUFFER
TYPE
NUM
PINS
DESCRIPTION
67
EEPROM Data,
GPO3, TX_EN,
TX_CLK,
D32/nD16
EEDIO/GPO3/
TX_EN/TX_CLK
(D32/nD16
)
I/O8
1
EEPROM Data:
This bi-directional
pin can be connected to a serial
EEPROM DIO. This is optional.
General Purpose Output 3:
This
pin can also function as a general
purpose output, or it can be
configured to monitor the TX_EN or
TX_CLK signals on the internal MII
port. When configured as a GPO
signal, or as a TX_EN/TX_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.
Data Bus Width Select:
This signal
also functions as a configuration
input on power-up and is used to
select the host bus data width. Upon
deassertion of reset, the value of the
input is latched. When high, a 32-bit
data bus is utilized. When low, a 16-
bit interface is utilized.
68
EEPROM Chip
Select
nEECS
O8
1
Serial EEPROM chip select.
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