dp83251 National Semiconductor Corporation, dp83251 Datasheet - Page 68

• Manufacturer Part Number: dp83251
• Description: Player Device Fddi Physical Layer Controller
• Manufacturer: National Semiconductor Corporation

6 0 Pin Descriptions
Pin No
100
101
102
103
104
105
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
ECL Logic Ground
Transmit Bit Clock
Transmit Bit Clock
ECL Logic Power
Transmit Byte Clock
Transmit Byte Clock
FOTX Enable Level
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
FOTX Enable
Local Byte Clock
PHY Port B Indicate Data
PHY Port B Request Data
PHY Port B Indicate Data
PHY Port B Request Data
PHY Port B Indicate Data
PHY Port B Request Data
PHY Port B Indicate Data
PHY Port B Request Data
CMOS Logic Ground
PHY Port B Indicate Data
PHY Port B Request Data
CMOS I O Power
PHY Port B Indicate Data
PHY Port B Request Data
CMOS I O Ground
PHY Port B Indicate Data
PHY Port B Request Data
PHY Port B Indicate Data
Signal Name
(Continued)
TABLE 6-2 DP83255 Pinout Summary (Continued)
b
a
a
b
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
68
Symbol
GND
TXC
TXC
V
TBC
TBC
TEL
N C
N C
N C
N C
N C
N C
N C
N C
TXE
LBC
BID0
BRD0
BID1
BRD1
BID2
BRD2
BID3
BRD3
GND
BID4
BRD4
V
BID5
BRD5
GND
BID6
BRD6
BID7
CC
CC
b
a
a
b
I O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
ECL TTL Open
Drain Power
a
a
a
a
a
ECL
ECL
ECL
ECL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
0V
5V
0V
5V
0V