Block Diagram; Functional Description; Front Panel Switches And Indicators - Motorola 700 Series Installation And Use Manual

Block Diagram

Refer to Figure 1-1 on page 1-14 for a block diagram of the 700/800-
series MVME162LX.

Functional Description

This section contains a functional description of the major blocks on
the MVME162LX.

Front Panel Switches and Indicators

There are two switches and four LEDs on the front panel of the
MVME162LX.
switch. Resets all onboard devices (including IP
RESET
modules, if installed) and drives SYSRESET* if the board is
system controller. The
software.
switch. When enabled by software, the
ABORT
generates an interrupt at a user-programmable level. It is
normally used to abort program execution and return to the
162Bug debugger.
LED (red). Lights when the BRDFAIL* signal line is
FAIL
active or when the processor is halted. Part of DS1.
LED (green or amber). Lights when the local bus TIP*
RUN
signal line is low. This indicates one of the local bus masters
is executing a local bus cycle. Part of DS1.
LED (green). Lights when the VMEchip2 in the
SCON
MVME162LX is the VMEbus system controller. Part of DS2.
LED (green). Lights when +5Vdc, +12Vdc, and -12Vdc
FUSES
power is available to the LAN and SCSI interfaces and IP
connectors. Part of DS2.
switch may be disabled by
RESET
Block Diagram
switch
ABORT
1-13
1