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7- 14 M68040 USER’S MANUAL MOTOROLA
UNTIL FOUR LONG WORDS 
TRANSFERRED
1) NEGATE TIP (IF REQUIRED)
WHEN FOUR LONG WORDS 
TRANSFERRED
ADDRESS DEVICE
END OF BURST
START NEXT CYCLE
1) SET R/W TO READ
2) DRIVE ADDRESS ON A31–A0
3) DRIVE USER PAGE ATTRIBUTES ON UPA1, UPA0
4) DRIVE SIZE ON SIZ1, SIZ0 (LINE)
5) DRIVE TRANSFER TYPE ON TT1, TT0
6) DRIVE TRANSFER MODIFIER ON TM2–TM0
7) CIOUT BECOMES VALID
8) ASSERT TS FOR ONE CLOCK
9) ASSERT TIP
PROCESSOR EXTERNAL DEVICE
PRESENT DATA
TERMINATE CYCLE
1) DECODE ADDRESS
2) PLACE DATA ON D31–D0 
3) ASSERT TA
1) REMOVE DATA FROM D31–D0
2) NEGATE TA (IF NECESSARY)
3) INCREMENT ADDRESS BITS A3, A2 (IF NECESSARY)
1) LATCH DATA
2) SAMPLE TBI AND TCI (FOR FIRST TRANSFER)
ACQUIRE DATA
Figure 7-10. Line Read Transfer Flowchart
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