dp83950b National Semiconductor Corporation, dp83950b Datasheet - Page 18

• Manufacturer Part Number: dp83950b
• Description: Dp83950b Rictm Repeater Interface Controller
• Manufacturer: National Semiconductor Corporation

3 0 Pin Descriptions
Note AD
Pin
No
NETWORK INTERFACE PINS (On-Chip Transceiver Mode)
NETWORK INTERFACE PINS (External Transceiver Mode AUI Signal Level Compatibility Selected)
e
AUI level and Drive compatible TP
RXI2
RXI2
TXOP2
TXO2
TXO2
TXOP2
CD1
CD1
RX1
RX1
TX1
TX1
TX2
TX2
CD2
CD2
RX2
RX2
CD1
CD1
RX1
RX1
TX1
TX1
a
b
a
b
a
b
b
b
b
a
b
a
a
b
a
a
b
a
b
a
b
a
to TX13
to TX13
to CD13
to RX13
b
a
to CD13
to RX13
to RXI13
to RXI13
to TXO13
Name
to TXO13
to TXOP13
Pin
to TXOP13
b
a
b
b
a
a
b
a
b
a
b
a
e
Twisted Pair interface compatible AL
Driver
Type
AD
AD
AD
AD
TP
TP
TT
TT
TT
TT
AL
AL
AL
AL
AL
AL
AL
AL
AL
AL
AL
AL
AL
AL
I O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
18
e
AUI Level compatible TT
Twisted Pair Receive Input Negative
Twisted Pair Receive Input Positive
Twisted Pair Pre-emphasis Transmit Output Negative
Twisted Pair Transmit Output Negative
Twisted Pair Transmit Output Positive
Twisted Pair Pre-emphasis Transmit Output Positive
AUI Collision Detect Input Positive
AUI Collision Detect Input Negative
AUI Receive Input Positive
AUI Receive Input Negative
AUI Transmit Output Positive
AUI Transmit Output Negative
Transmit Output Positive
Transmit Output Negative
Collision Input Positive
Collision Input Negative
Receive Input Positive
Receive Input Negative
AUI Collision Detect Input Positive
AUI Collision Detect Input Negative
AUI Receive Input Positive
AUI Receive Input Negative
AUI Transmit Output Positive
AUI Transmit Output Negative
Description
e
TTL compatible I
e
Input O
e
Output