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Universe ASIC includes both a global and a local reset driver.
When the Universe operates as the VMEbus system controller, the reset
driver provides a global system reset by asserting the VMEbus signal
SYSRESET*.
A SYSRESET* signal may be generated by the RESET switch, a power-
up reset, a watchdog timeout, or by a control bit in the Miscellaneous
Control Register (MISC_CTL) in the Universe ASIC. SYSRESET*
remains asserted for at least 200 ms, as required by the VMEbus
specification.
The
DEBUG
to serve as the firmware console for the factory installed debugger,
PPCBug. The port is configured as follows:
After power-up, the baud rate of the
using the debugger's Port Format (PF) command. Refer to Chapters 5 and
6 for information about the PPCBug.
http://www.motorola.com/computer/literature
port may be used for connecting a terminal to the MVME2100
8 bits per character
1 stop bit per character
Parity disabled (no parity)
Baud rate = 9600 baud (default baud rate at power-up)
MVME2100 User Interface Devices
port can be reconfigured by
DEBUG
2
2-5
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