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UM0434 Datasheet(PDF) 1 Page - STMicroelectronics |
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UM0434 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 390 page  Nov 2013 Rev 2 1/391 UM0434 e200z3 PowerPC core Reference manual Introduction The primary objective of this user’s manual is to describe the functionality of the e200z3 embedded microprocessor core for software and hardware developers. This book is intended as a companion to the EREF: A Programmer's Reference Manual for Freescale Book E Processors (hereafter referred to as EREF). Book E is a PowerPC™ architecture definition for embedded processors that ensures binary compatibility with the user-instruction set architecture (UISA) portion of the PowerPC architecture as it was jointly developed by Apple, IBM, and Motorola (referred to as the AIM architecture). This document distinguishes among the three levels of the architectural and implementation definition, as follows: ● The Book E architecture—Book E defines a set of user-level instructions and registers that are drawn from the user instruction set architecture (UISA) portion of the AIM definition PowerPC architecture. Book E also includes numerous supervisor-level registers and instructions as they were defined in the AIM version of the PowerPC architecture for the virtual environment architecture (VEA) and the operating environment architecture (OEA). Because the operating system resources (such as the MMU and interrupts) defined by Book E differ greatly from those defined by the AIM architecture, Book E introduces many new registers and instructions. ● Freescale Book E implementation standards (EIS)—In many cases, the Book E architecture definition provides a general framework, leaving specific details up to the implementation. To ensure consistency among its Book E implementations, Freescale has defined implementation standards that provide an additional layer of architecture between Book E and the actual devices. ● e200z3 implementation details—Each processor typically defines instructions, registers, register fields, and other aspects that are more detailed than either the Book E definition or the EIS. This book describes all of the instructions and registers implemented on the e200z3, including those defined by Book E and by the EIS, as well as those that are e200z3-specific. Information in this book is subject to change without notice, as described in the disclaimers on the title page of this book. As with any technical documentation, it is the readers’ responsibility to be sure they are using the most recent version of the documentation. www.st.com |
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