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R01UH0134EJ0400 Rev. 4.00 Page vii of xl
Sep 24, 2014
Preface
This LSI is an RISC (Reduced Instruction Set Computer) microcomputer which includes a
Renesas-original RISC CPU as its core, and the peripheral functions required to configure a
system.
Target Users: This manual was written for users who will be using this LSI in the design of
application systems. Target users are expected to understand the fundamentals of
electrical circuits, logical circuits, and microcomputers.
Objective: This manual was written to explain the hardware functions and electrical
characteristics of this LSI to the target users.
Refer to the SH-2A, SH2A-FPU Software Manual for a detailed description of the
instruction set.
Notes on reading this manual:
In order to understand the overall functions of the chip
Read the manual according to the contents. This manual can be roughly categorized into parts
on the CPU, system control functions, peripheral functions and electrical characteristics.
In order to understand the details of the CPU's functions
Read the SH-2A, SH2A-FPU Software Manual.
In order to understand the details of a register when its name is known
Read the index that is the final part of the manual to find the page number of the entry on the
register. The addresses, bits, and initial values of the registers are summarized in section 36,
List of Registers.