Motorola MC68030 User Manual page 17

LIST OF ILLUSTRATIONS (Continued)
Figure
Number
6-11 Burst Operation Cycles and Burst Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
6-12 Burst Filling Wraparound Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
6-13 Deferred Burst Filling Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
6-14 Cache Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21
6-15 Cache Address Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-23
7-1 Relationship between External and Internal Signals . . . . . . . . . . . . . . . . . 7-2
7-2 Asynchronous Input Sample Window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7-3 Internal Operand Representation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
7-4 MC68030 Interface to Various Port Sizes . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7-5 Example of Long-Word Transfer to Word Port . . . . . . . . . . . . . . . . . . . . . . 7-11
7-6 Long-Word Operand Write Timing (16-Bit Data Port) . . . . . . . . . . . . . . . . 7-12
7-7 Example of Word Transfer to Byte Port . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
7-8 Word Operand Write Timing (8-Bit Data Port) . . . . . . . . . . . . . . . . . . . . . . 7-14
7-9 Misaligned Long-Word Transfer to Word Port Example. . . . . . . . . . . . . . . 7-15
7-10 Misaligned Long-Word Transfer to Word Port . . . . . . . . . . . . . . . . . . . . . . 7-16
7-11 Misaligned Cachable Long-Word Transfer from Word Port Example . . . . 7-17
7-12 Misaligned Word Transfer to Word Port Example . . . . . . . . . . . . . . . . . . . 7-17
7-13 Misaligned Word Transfer to Word Port . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18
7-14 Example of Misaligned Cachable Word Transfer from Word Bus . . . . . . . 7-20
7-15 Misaligned Long-Word Transfer to Long-Word Port. . . . . . . . . . . . . . . . . . 7-20
7-16 Misaligned Write Cycles to Long-Word Port. . . . . . . . . . . . . . . . . . . . . . . . 7-21
7-17 Misaligned Cachable Long-Word Transfer from Long-Word Bus. . . . . . . . 7-22
7-18 Byte Data Select Generation for 16- and 32-Bit Ports . . . . . . . . . . . . . . . . 7-25
7-19 Asynchronous Long-Word Read Cycle Flowchart . . . . . . . . . . . . . . . . . . . 7-32
7-20 Asynchronous Byte Read Cycle Flowchart . . . . . . . . . . . . . . . . . . . . . . . . 7-32
7-21 Asynchronous Byte and Word Read Cycles — 32-Bit Port . . . . . . . . . . . . 7-33
7-22 Long-Word Read — 8-Bit Port with CIOUT Asserted. . . . . . . . . . . . . . . . . 7-34
7-23 Long-Word Read — 16-Bit and 32-Bit Port . . . . . . . . . . . . . . . . . . . . . . . . 7-35
7-24 Asynchronous Write Cycle Flowchart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-37
7-25 Asynchronous Read-Write-Read Cycles — 32-Bit Port . . . . . . . . . . . . . . . 7-38
7-26 Asynchronous Byte and Word Write Cycles — 32-Bit Port . . . . . . . . . . . . 7-39
7-27 Long-Word Operand Write — 8-Bit Port. . . . . . . . . . . . . . . . . . . . . . . . . . . 7-40
7-28 Long-Word Operand Write — 16-Bit Port. . . . . . . . . . . . . . . . . . . . . . . . . . 7-41
7-29 Asynchronous Read-Modify-Write Cycle Flowchart . . . . . . . . . . . . . . . . . . 7-44
7-30 Asynchronous Byte Read-Modify-Write Cycle — 32-Bit Port
(TAS Instruction with CIOUT or CIIN Asserted) . . . . . . . . . . . . . . . . . . . . . 7-45
7-31 Synchronous Long-Word Read Cycle Flowchart —
No Burst Allowed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-49
7-32 Synchronous Read with CIIN Asserted and CBACK Negated . . . . . . . . . . 7-50
7-33 Synchronous Write Cycle Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-52
7-34 Synchronous Write Cycle with Wait States — CIOUT Asserted . . . . . . . . 7-53
xxxviii
Title
MC68030 USER'S MANUAL
Page
Number
MOTOROLA