Motorola MPC533 Reference Manual page 359

Bus Operations
Slave 1
External Bus
MCU
Acknowledge
Signals
TA
TEA
Slave 2
Figure 9-28. Termination Signals Protocol Basic Connection
CLKOUT
ADDR[8:31]
Slave 1 Slave 2
RD/WR
TSIZ[0:1]
TS
Data
TA, BI, TEA
Slave 1
Slave 2
Slave 1 Slave 2
negates acknowledge allowed to drive negates acknowledge
allowed to drive
acknowledge signals signals and turns off acknowledge signals signals and turns off
Figure 9-29. Termination Signals Protocol Timing Diagram
MOTOROLA Chapter 9. External Bus Interface 9-43
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE