Motorola MPC533 Reference Manual page 935

22.0.2 Functional Block Diagram
The functional block diagram of the READI module is shown in Figure 22-1.
U-bus
Encoding
Brkpt_
out
Data Trace
Encoding
L-bus
Ownership
L-bus
Encoding
L-bus
RCPU Development Access
USIU
Watchpoint Capture
RCPU
Security
USIU
22.0.3 Modes of Operation
The various operating modes of the READI module are:
1. Reset
2. Secure
3. Normal
4. Disabled
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Program
Trace
Message
Queues
Trace
R/W
Access
Registers
Control
Figure 22-1. READI Functional Block Diagram
Chapter 22. READI Module
Signal Interface
Message Out
or MDO[0:7]
Formatter
MDI[0] or
Signal Interface MDO[0:1]
Message In
Formatter
MCKO
MDO[0:1]
MSEO
MSEI
EVTI
RSTI
MCKI
22-3