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DM9302EP 数据表(PDF) 13 Page - Davicom Semiconductor, Inc.

部件名 DM9302EP
功能描述  10/100Mbps Ethernet Fiber/Twisted Pair Media Converter with Local bus
PDF  64 Pages
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制造商  DAVICOM [Davicom Semiconductor, Inc.]
网页  http://www.davicom.com.tw
标志 DAVICOM - Davicom Semiconductor, Inc.

DM9302EP 数据表(HTML) 13 Page - Davicom Semiconductor, Inc.

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DM9302
10/100Mbps Ethernet Fiber/Twisted Pair Media Converter with Local bus
Preliminary datasheet
13
DM9302-15-DS-P01
July 30, 2009
5.3 LED Pins
Pin No.
Pin Name
I/O
Description
55
LNK1_LED
O/D
Port 1 Link / Active LED
It is the combined LED of link and carrier sense signal
of the port 1.
56
SPD1_LED
O/D
Port 1 Speed LED
It’s low to indicate that the port 1 operates in 100M
mode. It’s floating to indicate that the port 1 operates in
10M mode.
57
LNK0_LED
O/D
Port 0 Link / Active LED
It is the combined LED of link and carrier sense signal
of the port 0.
58
SPD0_LED
O/D
Port 0 Speed LED
It’s low to indicate that the port 0 operates in 100M
mode. It’s floating to indicate that the port 0 operates in
10M mode.
5.4 Clock Interface
Pin No.
Pin Name
I/O
Description
52
X1
I
Crystal 25MHz In
53
X2
O
Crystal 25MHz Out
5.5 Network Interface
Pin No.
Pin Name
I/O
Description
34,35
TX1+/-
I/O
Port 1 TP TX
These two pins are the transmit output in MDI mode or
the receive input in MDIX mode.
37,38
RX1+/-
I/O
Port 1 TP RX
These two pins are the receive input in MDI mode or
the transmit output in MDIX mode.
41,42
TX0+/-
I/O
Port 0 FX TX
Fiber transmitter data pair.
44,45
RX0+/-
I/O
Port 0 FX RX
Fiber receiver data pair.
47
BGRES
I/O
Band gap Pin
Connect a 1.4Kohm ±1% resistor to Analog Ground
(AGND) in application.
48
SD
I
Fiber Signal Detect
49
VCNTL
I/O
1.8V Voltage control
50
VREF
O
Voltage Reference
Connect a 0.1uF capacitor to ground in application.



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