Motorola MVME712-12 ユーザーズマニュアル
Interconnect Signals
MVME712A/D3
3-13
3
Connector ETHERNET Interconnect Signals (MVME712B)
Each pin connection, signal mnemonic, and signal characteristic for the
connector is listed in
connector is listed in
.
Table 3-8. ETHERNET Interconnect Signals (MVME712B)
Pin
Number
Signal
Mnemonic
Signal Name and Description
1
Not used.
2
C+
COLLISION + (Input) - a signal to indicate that
multiple stations are contending for access to the
transmission medium.
multiple stations are contending for access to the
transmission medium.
3
T+
TRANSMIT + (Output) - this line is intended to
operate into terminated transmission lines.
operate into terminated transmission lines.
4
Not used.
5
R+
RECEIVE + (Input) - a data input sourced by the
MAU.
MAU.
6
GND
GROUND
7,8
Not used.
9
C-
COLLISION - (Input) - part of a differential pair.
10
T-
TRANSMIT - (Output) - part of a differential pair.
11
Not used.
12
R-
RECEIVE - (Input) - part of a differential pair.
13
+12VF
+12 Vdc Power - fused on MPU board.
14,15
Not used.