Description
MVME162-010
Software Initialization
Most functions that have been done with switches or jumpers on other
modules are done by setting control registers on the MVME162. At powerup
or reset, the EPROMs that contain the 162Bug debugging package set up the
default values of many of these registers.
Specific programming details may be determined by study of the M68040
Microprocessor User’s Manual. Then check the details of all the MVME162
onboard registers as given in the MVME162 Embedded Controller Programmer’s
Reference Guide.
Multi-MPU Programming Considerations
Good programming practice dictates that only one MPU at a time have control
of the MVME162 control registers. Of particular note are:
❏ Registers that modify the address map
❏ Registers that require two cycles to access
❏ VMEbus interrupt request registers
MVME162-010
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