dp83251 National Semiconductor Corporation, dp83251 Datasheet - Page 66

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

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
CMOS Logic Ground
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
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
CMOS Logic Ground
Control Bus Data Parity Enable
Sense Pin 0
Sense Pin 1
PHY Port A Indicate Parity
PHY Port A Request Parity
PHY Port A Indicate Control
PHY Port A Request Control
PHY Port A Indicate Data
PHY Port A Request Data
PHY Port A Indicate Data
PHY Port A Request Data
CMOS I O Ground
PHY A Indicate Data
PHY A Request Data
CMOS I O Power
Signal Name
(Continued)
k
k
k
k
k
k
TABLE 6-2 DP83255 Pinout Summary
2
3
4
5
6
7
l
l
l
l
l
l
k
k
5
5
l
l
k
k
k
k
7
6
7
6
l
l
l
l
66
Symbol
GND
CBD2
CBD3
GND
CBD4
CBD5
V
CBD6
CBD7
CBP
EP0
EP1
N C
N C
N C
N C
N C
N C
N C
GND
CBPE
SP0
SP1
AIP
ARP
AIC
ARC
AID7
ARD7
AID6
ARD6
GND
AID5
ARD5
V
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
I
I
I
I
I
I
I
I
ECL TTL Open
Drain Power
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
0V
0V
5V
0V
0V
5V