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DP83820 Datasheet(PDF) 8 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83820
Description  10/100/1000 Mb/s PCI Ethernet Network Interface Controller
PDF  87 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83820 Datasheet(HTML) 8 Page - National Semiconductor (TI)

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2.0 Pin Descriptions (Continued)
Note: DP83820 supports NMC93C46 for the eeprom interface device.
Serial EEPROM Interface
Symbol
Pin No(s)
Direction
Description
EESEL
91
O
EEPROM Chip Select: This signal is used to enable the external EEPROM
device.
MA4/EECLK
109
O
EEPROM Clock: During an EEPROM access (EESEL asserted), this pin is an
output used to drive the serial clock to an external EEPROM device.
MA3/EEDI
108
O
EEPROM Data In: During an EEPROM access (EESEL asserted), this output
is drives opcode, address, and data to an external serial EEPROM device.
MD4/EEDO
101
I
EEPROM Data Out: During an EEPROM access (EESEL asserted), this pin is
an input used to retrieve EEPROM serial read data.
This pin pad has an internal weak pull up.
JTAG Interface
Symbol
Pin No(s)
Direction
Description
TCK
178
I
Test Clock
TDI
181
I
Test Data Input
TDO
180
O
Test Output
TMS
179
I
Test Mode Select
TRSTN
177
I
Test Reset
Supply Pins
Symbol
Pin No(s)
Direction
Description
COREVDD
89, 116, 174, 206
S
Mac/BIU digital core VDD - connect to Aux 1.8V supply VDD
COREVSS
88, 115, 173, 205
S
Mac/BIU digital core VSS.
OSCVDD
123
S
Oscillator VDD - connect to Aux 1.8V supply VDD
OSCVSS
120
S
Oscillator VSS.
PCIVDD
187, 201, 7, 20, 30,
40, 51, 60, 71, 80
S
PCI IO VDD - connect to PCI bus 3.3V VDD
PCIVSS
182, 196, 3, 16, 27,
36, 46, 56, 66, 76
S
PCI IO VSS
VDDIO,
AVDD
100, 111, 136, 144,
150, 162, 125
S
Misc. IO VDD, Analog VDD - connect to Aux 3.3V supply VDD
VSSIO,
AVSS
99, 110, 135, 143,
149, 161, 124
S
Misc. IO VSS, Analog VSS
No Connects
Symbol
Pin No(s)
Direction
Description
Reserved
90, 117, 118,
119, 126
This pin is reserved and cannot be connected to any external logic or net.



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