Motorola MVME187 User Manual
General Description
2-3
2
Serial Ports
The serial ports support standard baud rates of 110 to 38.4K baud.
All four serial ports use EIA-232-D drivers and receivers located on
the main board, and all the signal lines are routed to the I/O
connector.
the main board, and all the signal lines are routed to the I/O
connector.
A functional description of the Serial Port Interface starts on page
Parallel (Printer) Port
The 8-bit bidirectional parallel port may be used as a Centronics-
compatible parallel printer port or as a general parallel I/O port.
compatible parallel printer port or as a general parallel I/O port.
A functional description of the Parallel Port Interface starts on page
Ethernet Transceiver Interface
The Ethernet transceiver interface is located on the MVME187, and
the industry standard connector is located on the MVME712X
transition module.
the industry standard connector is located on the MVME712X
transition module.
A functional description of the Ethernet Interface starts on page
Serial
Port
Function
Synchronous/
Asynchronous
Signals
Bit Rates
1
Minimum
Asynchronous
RXD, CTS, TXD, and RTS
2
and
3
Full
Asynchronous
RXD, CTS, DCD, TXD, RTS,
and DTR
and DTR
4
Full
Both
RXD, CTS, DCD, TXD, RTS,
and DTR
and DTR
Synchronous up
to 64 k bits per
second
to 64 k bits per
second