Motorola MVME147 Installation And Use Manual page 131

Mpu vmemodule
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Printer Interface
The PCC has a Centronics compatible printer interface. The printer
interface interrupts the MC68030 when it is ready for data or when
a fault occurs. The interrupt level is programmable and it provides
a status/ID vector when requested.
Control and Status Registers
The PCC has input and output signal lines for controlling various
functions on the MVME147. There are control lines for DRAM
parity enable, parity test and parity error status, VMEbus map
select, multiple address RMC mode, and LANCE address select.
RESET and ABORT Switches
The PCC provides the
The
RESET
causes a reset out signal. The
by software.
The
ABORT
interrupter. When it is enabled, the
interrupt to the MC68030. The interrupter returns a status/ID
vector when requested. The
by software.
Power-Up Reset
When the PCC receives a power-up reset signal, it generates a reset
out signal and sets the power-up bit in the control register. The
power-up bit can be used by software to determine when a power-
up reset has occurred.
and
RESET
switch signal is debounced and when it is enabled, it
RESET
switch signal is debounced and sent to the level 7
ABORT
Peripheral Channel Controller (PCC)
switch interface.
ABORT
switch can be enabled/disabled
switch causes a level 7
ABORT
switch can be enabled/disabled
5
5-15

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