Motorola MVME1X7P User Manual

Page 9

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LAN Offboard Error .........................................................................................1-61
LAN LTO Error ................................................................................................1-62
SCSI Parity Error ..............................................................................................1-62
SCSI Offboard Error .........................................................................................1-62
SCSI LTO Error ................................................................................................1-63

CHAPTER 2

VMEchip2

Introduction ................................................................................................................2-1
Functional Blocks ......................................................................................................2-4

Local-Bus-to-VMEbus Interface ........................................................................2-4

Local-Bus-to-VMEbus Requester ...............................................................2-7

VMEbus-to-Local-Bus Interface ........................................................................2-9
Local-Bus-to-VMEbus DMA Controller..........................................................2-10

No-Address-Increment DMA Transfers ....................................................2-12
DMAC VMEbus Requester.......................................................................2-13

Tick and Watchdog Timers ...............................................................................2-14

Prescaler.....................................................................................................2-14
Tick Timers................................................................................................2-15
Watchdog Timer ........................................................................................2-15

VMEbus Interrupter..........................................................................................2-16
VMEbus System Controller..............................................................................2-17

Arbiter........................................................................................................2-17
IACK Daisy-Chain Driver.........................................................................2-17
Bus Timer ..................................................................................................2-17
Reset Driver ...............................................................................................2-18

Local Bus Interrupter and Interrupt Handler ....................................................2-18
Global Control and Status Registers .................................................................2-20

LCSR Programming Model .....................................................................................2-20

Programming the VMEbus Slave Map Decoders.............................................2-26

VMEbus Slave Ending Address Register 1 ..............................................2-28
VMEbus Slave Starting Address Register 1 .............................................2-28
VMEbus Slave Ending Address Register 2 ..............................................2-29
VMEbus Slave Starting Address Register 2 .............................................2-29
VMEbus Slave Address Translation Address Offset Register 1 ..............2-29
VMEbus Slave Address Translation Select Register 1 ............................2-30
VMEbus Slave Address Translation Address Offset Register 2 ...............2-31
VMEbus Slave Address Translation Select Register 2 ............................2-31
VMEbus Slave Write Post and Snoop Control Register 2 ........................2-32
VMEbus Slave Address Modifier Select Register 2 .................................2-33
VMEbus Slave Write Post and Snoop Control Register 1 ........................2-35

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