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Audience
Part III is intended for system designers and programmers who need to understand the
operation of the MPC860 at start up. It assumes understanding of the PowerPC
programming model described in the previous chapters and a high level understanding of
the MPC860.
Contents
Part III describes start-up behavior of the MPC860.
It contains the following chapters:
¥ Chapter 11, ÒSystem Interface Unit,Ó describes the SIU, which controls system start-
up, initialization and operation, protection, as well as the external system bus.
¥ Chapter 12, ÒReset,Ó describes the behavior of the MPC860 at reset and start-up.
Suggested Reading
Supporting documentation for the MPC860 can be accessed through the world-wide web
at http://www.motorola.com/SPS/RISC/netcomm and at http://www.mot.com/SPS/
PowerPC/. This documentation includes technical speciÞcations, reference materials, and
detailed applications notes.
Conventions
This chapter uses the following notational conventions:
Bold
mnemonics
MOTOROLA
Bold entries in Þgures and tables showing registers and parameter
RAM should be initialized by the user.
Instruction mnemonics are shown in lowercase bold.
Part III. Configuration
Part III
ConÞguration
III-i
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