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DP83821 数据表(PDF) 8 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 DP83821
功能描述  10/100/1000 Mb/s PCI Ethernet Network Interface Controller
PDF  86 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

DP83821 数据表(HTML) 8 Page - National Semiconductor (TI)

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2.0 Pin Descriptions (Continued)
Note: DP83821 supports NMC93C46 for the eeprom interface 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
These pins are reserved and cannot be connected to any external logic or net.
Serial EEPROM Interface
Symbol
Pin No(s)
Direction
Description



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