Renesas NU85E Preliminary User's Manual page 9

Target Readers This manual is intended for users who wish to understand the hardware functions of the NU85E
and NU85EA, which are the CPU cores of a cell-based IC (CBIC), to design application systems
using the NU85E or NU85EA.
Purpose This manual is designed to help users understand the hardware functions of the NU85E and
NU85EA outlined in Organization below.
Organization This manual describes the hardware functions of the NU85E and NU85EA. For details about the
architecture and instruction functions, refer to the "V850E1 User's Manual Architecture."
The organization of each manual is as follows:
NU85E User's Manual
Hardware (This manual)
• Overview
• CPU function
• Peripheral I/O functions
• Test functions
How to Read This Manual
It is assumed that the readers of this manual have general knowledge of electricity, logic circuits,
and microcontrollers.
To gain a general understanding of the hardware functions of the NU85E and NU85EA
→ Read this manual according to the CONTENTS.
To confirm details of a function, etc. when the name is known
→ Refer to APPENDIX B INDEX.
To learn about the details of an instruction function
→ Refer to the V850E1 Architecture User's Manual (U14559E).
This document describes the NU85E as the representative product. When using the NU85EA,
read NU85E as NU85EA.
PREFACE
Preliminary User's Manual A14874EJ3V0UM
V850E1 User's Manual
Architecture
• Register set
• Instruction format and instruction set
• Interrupts and exceptions
• Pipeline operation
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