dp83251 National Semiconductor Corporation, dp83251 Datasheet - Page 56
dp83251
Manufacturer Part Number
dp83251
Description
Player Device Fddi Physical Layer Controller
Manufacturer
National Semiconductor Corporation
Datasheet
1.DP83251.pdf
(96 pages)
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6 0 Pin Descriptions
Pin No
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
1
2
3
4
5
6
7
8
9
Control Bus Data
Control Bus Data
CMOS I O Ground
Control Bus Data
Control Bus Data
CMOS I O Power
Control Bus Data
Control Bus Data
Control Bus Data Parity
Enable Pin 0
Enable Pin 1
CMOS Logic Ground
Control Bus Data Parity Enable
Sense Pin 0
Sense Pin 1
PHY Port A Indicate Parity
PHY Port A Indicate Control
PHY Port A Indicate Data
PHY Port A Indicate Data
CMOS I O Ground
PHY Port A Indicate Data
CMOS I O Power
PHY Port A Indicate Data
CMOS Logic Ground
PHY Port A Indicate Data
PHY Port A Indicate Data
PHY Port A Indicate Data
PHY Port A Indicate Data
Cascade Start
Cascade Ready
No Connect
No Connect
Clock Detect
Signal Detect
External Loopback Enable
Signal Name
(Continued)
k
k
k
k
k
k
TABLE 6-1 DP83251 Pinout Summary
2
3
4
5
6
7
l
l
l
l
l
l
k
k
k
k
k
k
k
k
7
6
5
4
3
2
1
0
l
l
l
l
l
l
l
l
56
Symbol
CBD2
CBD3
GND
CBD4
CBD5
V
CBD6
CBD7
CBP
EP0
EP1
GND
CBPE
SP0
SP1
AIP
AIC
AID7
AID6
GND
AID5
V
AID4
GND
AID3
AID2
AID1
AID0
CS
CR
N C
N C
CD
TTLSD
ELB
CC
CC
I O
I O
I O
I O
I O
I O
I O
I O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
ECL TTL Open
Drain Power
Open Drain
a
a
a
a
a
a
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
0V
5V
0V
0V
5V
0V
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