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DP83255AVF Datasheet(PDF) 72 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83255AVF
Description  PLAYER Device (FDDI Physical Layer Controller)
PDF  96 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83255AVF Datasheet(HTML) 72 Page - National Semiconductor (TI)

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60 Pin Descriptions (Continued)
PHY PORT INTERFACE
(Continued)
Symbol
Pin No
IO
Description
BIP
109
O
PHY Port B Indicate Parity
A TTL output signal representing odd parity for the 10-bit
wide Port B Indicate signals (BIP BIC and BIDk70l)
BIC
107
O
PHY Port B Indicate Control
A TTL output signal indicating that the two 4-bit symbols
(BIDk74l and BIDk30l) are either control symbols (BIC e 1) or data symbols (BIC
e
0)
BID7
105
O
PHY Port B Indicate Data
TTL output signals representing the first 4-bit datacontrol
symbol
BID6
103
BID5
100
BID7 is the most significant bit and BID4 is the least significant bit of the first symbol
BID4
97
BID3
94
O
PHY Port B Indicate Data
TTL output signals representing the second 4-bit data
control symbol
BID2
92
BID1
90
BID3 is the most significant bit and BID0 is the least significant bit of the second symbol
BID0
88
BRP
110
I
PHY Port B Request Parity
A TTL input signal representing odd parity for the 10-bit
wide Port B Request signals (BRP BRC and BRDk70l)
BRC
108
I
PHY Port B Request Control
A TTL input signal indicating that the two 4-bit symbols
(BRDk74l) and BRDk30l) are either control symbols (BRC e 1) or data symbols
(BRC e 0)
BRD7
106
I
PHY Port B Request Data
TTL input signals representing the first 4-bit datacontrol
symbol
BRD6
104
BRD5
101
BRD7 is the most significant bit and BRD4 is the least significant bit of the first symbol
BRD4
98
BRD3
95
I
PHY Port B Request Data
TTL input signals representing the second 4-bit datacontrol
symbol
BRD2
93
BRD1
91
BRD3 is the most significant bit and BRD0 is the least significant bit of the second
symbol
BRD0
89
72



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