Intel i960 Jx Developer's Manual page 17

Microprocessor
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FIGURES
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Figure 1-1.
i960
Jx Microprocessor Functional Block Diagram............................................ 1-3
Data Types and Ranges ...................................................................................... 2-1
Data Placement in Registers ............................................................................... 2-6
®
Jx Processor Programming Environment Elements .................................. 3-2
Memory Address Space .................................................................................... 3-13
Arithmetic Controls (AC) Register...................................................................... 3-18
Process Controls (PC) Register......................................................................... 3-21
Internal Data RAM and Register Cache .............................................................. 4-2
Machine-Level Instruction Formats...................................................................... 5-3
dcctl src1 and src/dst Formats ........................................................................... 6-41
Store Data Cache to Memory Output Format .................................................... 6-42
D-Cache Tag and Valid Bit Formats .................................................................. 6-43
icctl src1 and src/dst Formats ............................................................................ 6-59
Store Instruction Cache to Memory Output Format ........................................... 6-61
I-Cache Set Data, Tag and Valid Bit Formats.................................................... 6-62
Src1 Operand Interpretation ............................................................................ 6-114
src/dst Interpretation for Breakpoint Resource Request .................................. 6-115
Procedure Stack Structure and Local Registers.................................................. 7-3
Frame Spill........................................................................................................... 7-9
Frame Fill ........................................................................................................... 7-10
System Procedure Table ................................................................................... 7-16
Previous Frame Pointer Register (PFP) (r0)...................................................... 7-20
Fault-Handling Data Structures ........................................................................... 8-1
Fault Table and Fault Table Entries..................................................................... 8-5
Fault Record ........................................................................................................ 8-7
Storage of the Fault Record on the Stack............................................................ 8-8
80960Jx Trace Controls (TC) Register ................................................................ 9-2
Breakpoint Control Register (BPCON)................................................................. 9-8
Data Address Breakpoint (DAB) Register Format ............................................. 9-10
Instruction Breakpoint (IPB) Register Format .................................................... 9-10
Timer Functional Diagram ................................................................................. 10-1
Timer Mode Register (TMR0, TMR1) ................................................................ 10-3
Timer Count Register (TCR0, TCR1)................................................................. 10-6
Timer Reload Register (TRR0, TRR1)............................................................... 10-7
Timer Unit State Diagram ................................................................................ 10-13
Interrupt Handling Data Structures .................................................................... 11-2
Interrupt Table ................................................................................................... 11-4
Storage of an Interrupt Record on the Interrupt Stack ....................................... 11-7
Dedicated Mode............................................................................................... 11-14
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