MVME5100 Single Board Computer Programmer's Reference Guide

Spurious Vector Register.........................................................................2-118
Timer Frequency Register .......................................................................2-118
Timer Current Count Registers................................................................2-119
Timer Basecount Registers......................................................................2-120
Timer Vector/Priority Registers ..............................................................2-121
Timer Destination Registers ....................................................................2-122
External Source Vector/Priority Registers ..............................................2-122
External Source Destination Registers ....................................................2-124
Hawk Internal Error Interrupt Vector/Priority Register ..........................2-125
Hawk Internal Error Interrupt Destination Register................................2-126
Interprocessor Interrupt Dispatch Registers ............................................2-126
Current Task Priority Registers ...............................................................2-127
Interrupt Acknowledge Registers ............................................................2-127
End-of-Interrupt Registers.......................................................................2-128
CHAPTER 3 System Memory Controller (SMC)
Introduction................................................................................................................3-1
Overview.............................................................................................................3-1
Bit Ordering Convention ....................................................................................3-1
Features...............................................................................................................3-1
Block Diagrams .........................................................................................................3-2
Functional Description...............................................................................................3-6
SDRAM Accesses...............................................................................................3-6
Four-beat Reads/Writes ...............................................................................3-6
Single-beat Reads/Writes ............................................................................3-6
Address Pipelining.......................................................................................3-6
Page Holding ...............................................................................................3-7
SDRAM Speeds...........................................................................................3-7
SDRAM Organization ........................................................................................3-9
PPC60x Bus Interface.........................................................................................3-9
Responding to Address Transfers................................................................3-9
Completing Data Transfers..........................................................................3-9
PPC60x Data Parity...................................................................................3-10
PPC60x Address Parity .............................................................................3-10
Cache Coherency.......................................................................................3-11
Cache Coherency Restrictions...................................................................3-11
L2 Cache Support ......................................................................................3-11
SDRAM ECC ...................................................................................................3-11
Cycle Types ...............................................................................................3-11
Error Reporting..........................................................................................3-12
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