dp83251 National Semiconductor Corporation, dp83251 Datasheet - Page 69

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

6 0 Pin Descriptions
Pin No
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
PHY Port B Request Data
PHY Port B Indicate Control
PHY Port B Request Control
PHY Port B Indicate Parity
PHY Port B Request Parity
Read E Write
Chip Enable
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
Control Bus Address
Control Bus Address
Control Bus Address
Control Bus Address
Control Bus Address
CMOS Logic Power
Control Bus Data
Control Bus Data
CMOS Logic Ground
E PLAYER Device Reset
E Interrupt
E Acknowledge
Signal Name
(Continued)
TABLE 6-2 DP83255 Pinout Summary (Continued)
k
k
0
1
l
l
k
k
k
k
k
0
1
2
3
4
l
l
l
l
l
k
7
l
69
Symbol
BRD7
BIC
BRC
BIP
BRP
RST
R W
CE
INT
N C
N C
N C
N C
N C
N C
N C
N C
ACK
CBA0
CBA1
CBA2
CBA3
CBA4
V
CBD0
CBD1
GND
CC
I O
I O
I O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
ECL TTL Open
Drain Power
Open Drain
Open Drain
a
a
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
5V
0V