Motorola MPC533 Reference Manual page 971

System
Clock
RSTI
EVTI
Reset configuration information must be valid on EVTI
at least 4 clocks prior to RSTI negation.
22.2.3.5 Guidelines For Transmitting Input Messages
• An error message is sent out when an invalid TCODE is detected by the signal input
formatter. Refer to Section 22.5.8.2, "Invalid Message," for further details.
• An error message is sent out when an invalid access opcode is detected in auxiliary
input messages by the signal input formatter. Refer to Section 22.5.8.3, "Invalid
Access Opcode," for further details.
• If the TCODE is valid, then READI will expect that the correct number of packets
have been received and no further checking will be performed. If the number of
packets received by READI is not correct, READI response is not defined, unless
the message is a download request message (refer to Section 22.1.4, "Partial
Register Updates," for further details).
22.3 Program Trace
This section details the program trace mechanism supported by READI for the RCPU.
Program trace is implemented via branch trace messaging (BTM) as per the IEEE-ISTO
5001-1999 definition.
22.3.1 Branch Trace Messaging
Branch trace messaging facilitates program trace by providing the following types of
information:
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
EVTI is sampled at the negation of RSTI. Since EVTI is
negated, the READI module is disabled.
Figure 22-17. READI Module Disabled
Chapter 22. READI Module
Program Trace
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