Motorola MVME172 - Manual (Page 8)

viii
DMAC TEA - Cause Unidentified............................................................ 1-54
LAN Parity Error....................................................................................... 1-54
LAN Off-Board Error ............................................................................... 1-55
LAN LTO Error ........................................................................................ 1-55
SCSI Parity Error ...................................................................................... 1-56
SCSI Off-Board Error ............................................................................... 1-56
SCSI LTO Error ........................................................................................ 1-56
Example of the Proper Use of Bus Timers ....................................................... 1-57
MVME172 MC68060 Indivisible Cycles ........................................................ 1-58
Illegal Access to IP Modules from External VMEbus Masters ....................... 1-59
CHAPTER 2 VMEchip2
Introduction ............................................................................................................... 2-1
Summary of Major Features............................................................................... 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