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Processor Bus Memory Map ..............................................................................3-2
Detailed I/O Memory Maps.......................................................................3-5
BBRAM, TOD Clock Memory Map .........................................................3-18
VMEbus Memory Map .....................................................................................3-20
VMEbus Accesses to the Local Peripheral Bus ......................................3-20
VMEbus Short I/O Memory Map............................................................3-20
Software Initialization..............................................................................................3-20
Multi-MPU Programming Considerations ....................................................3-21
Local Reset Operation.......................................................................................3-21
CHAPTER 4
FUNCTIONAL DESCRIPTION
Introduction .................................................................................................................4-1
Functional Description...............................................................................................4-1
Data Bus Structure...............................................................................................4-1
MC88110 MPU .....................................................................................................4-4
MC88410 Cache Controller ................................................................................4-4
BOOT ROM ..........................................................................................................4-4
Flash Memory ......................................................................................................4-4
Onboard DRAM...................................................................................................4-4
Battery Backup RAM and Clock .......................................................................4-5
VMEbus Interface ................................................................................................4-5
I/O Interfaces.......................................................................................................4-5
Serial Port Interface......................................................................................4-5
Printer Interface ............................................................................................4-6
Ethernet Interface .........................................................................................4-6
SCSI Interface................................................................................................4-7
SCSI Termination .........................................................................................4-7
Peripheral Resources...........................................................................................4-8
Programmable Tick Timers ........................................................................4-8
Watchdog Timer...........................................................................................4-8
Software-Programmable Hardware Interrupts .......................................4-8
Processor Bus Timeout ................................................................................4-8
Local Peripheral Bus Timeout ....................................................................4-8
Interrupt Sources .................................................................................................4-9
APPENDIX A
EIA-232-D INTERCONNECTIONS .....................................................A-1
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