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ADM8513 Schematic ( PDF Datasheet ) - ETC

Teilenummer ADM8513
Beschreibung USB TO 10/100 MBPS ETHERNET LAN CONTROLLER
Hersteller ETC
Logo ETC Logo 




Gesamt 30 Seiten
ADM8513 Datasheet, Funktion
  

     



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ADM8513 Datasheet, Funktion
  
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HOST Interface
Name
I/O Description
CLK48_I
16
I 48Mhz Clock Input from crystal or oscillator.
CLK48_O 15
O Output for crystal.
RST#
14
I External Hardware Reset Input, schmitt trigger, internal pull
high
DM 20
I/O USB Data Minus pin.
DP 19
Physical Interface
I/O USB Data Plus pin.
RXIP, RXIN 36,35
I Rx input
TXOP, TXON 46,47
O Tx Out
CLK25_I
44
I Crystal In, 25Mhz
CLK25_O 43
O Crystal Out, 25Mhz
RIBB 41
I Reference Bias Resistor, tied to external 10K(1%) resistor to
ground
TSTA, TSTB 38,39
LED Interface
O Test Output Pin
LED0
33
O
LED display for 100M b/s or 10M b/s speed. Active low indicates
100Base-TX, active high indicates 10 BaseT.
LED1
32
O
LED display for link and activity status. Active low when link is
established.
LED2
31
O
LED display for Full Duplex or Collision status. Active low
indicates full duplex, high indicates collision in half duplex.
Note:
The LED interface is EEPROM-programmable, 2 bit EEPROM control bit, Address 0B[7:6] at EEPROM,
is used to select LED mode, the default setting are:
(1) LED0: 100Mbps(on, drive ‘0’) or 10Mbps(off, drive ‘1’)
(2) LED1: link (keeps on when link ok) or activity (blink with 10Hz when Pegasus II is receiving or
transmitting but not collision)
(3) LED2: full duplex (keeps on when in full duplex mode) or collision (blink with 20Hz when
colliding)
(4) All LED pins will be tri-state when using external PHY (offset 81h with bit[4:2] = 3’b001)
Mapping between LED action and EEPROM 0B[7:6] setting:
EEPROM 0B [7:6] LED
Action
LED0 10/100(OFF/ON)
0,0 LED1 LINK/ACTIVITY (ON / Flash)
LED2 FULL DUP/COL (ON / Flash)
LED0 ACTIVITY when LINK (Flash)
0,1 LED1 LINK 10(ON)
LED2 LINK 100(ON


EEPROM Interface
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6 Page









ADM8513 pdf, datenblatt
  

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12 Page





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