Motorola MPC533 Reference Manual page 368

Bus Operations
1. Request Bus (BR)
2. Receives Bus Grant (BG) From Arbiter
3. Asserts Bus Busy (BB) if No Other Master is Driving
4. Assert Transfer Start (TS)
5. Drives Address and Attributes
Figure 9-35. Basic Flow of an External Master Read Access
9-52
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
External Master
1. Receives Data
MPC533 Reference Manual
MPC5xx Device
1. Receives Address
Address in Internal
Memory Map
Yes
1. Returns Data
1. Asserts Transfer Acknowledge (TA)
No
Memory
Controller
Asserts CSx
If In Range
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