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MPC860 bus supports critical data Þrst access for Þxed-size burst. The order of wraparound
wraps back to the data 0. For example:
¥ Case burst of four:
data 0 ® data 1 ® data 2 ® data 3 ® data 0
¥ Case burst of eight:
data 0 ® data 1 ® data 2 ® ......... ® data 6 ® data 7 ® data 0
MOTOROLA
Chapter 14. MPC860 External Bus Interface
Part IV. Hardware Interface
14-15
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