MPIC Registers ................................................................................................ 2-68
RavenMPIC Registers ............................................................................... 2-68
Processor Init Register .............................................................................. 2-74
Timer Frequency Register......................................................................... 2-76
Timer Basecount Registers ....................................................................... 2-77
External Source Vector/Priority Registers ................................................ 2-79
Interrupt Task Priority Registers ............................................................... 2-83
Programming Notes.......................................................................................... 2-85
External Interrupt Service ......................................................................... 2-85
Reset State ................................................................................................. 2-86
Operation .......................................................................................................... 2-87
Interprocessor Interrupts ........................................................................... 2-87
Dynamically Changing I/O Interrupt Configuration................................. 2-87
EOI Register.............................................................................................. 2-88
Interrupt Acknowledge Register ............................................................... 2-88
8259 Mode ................................................................................................ 2-88
Current Task Priority Level ...................................................................... 2-88
Architectural Notes........................................................................................... 2-89
CHAPTER 3
Falcon ECC Memory Controller Chipset
Introduction ............................................................................................................... 3-1
Summary of Features.......................................................................................... 3-1
Block Diagrams .................................................................................................. 3-2
Functional Description .............................................................................................. 3-6
Performance........................................................................................................ 3-6
Four-beat Reads/Writes............................................................................... 3-6
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