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R5F21143DSP View Datasheet(PDF) - Renesas Electronics

Part NameR5F21143DSP Renesas
Renesas Electronics Renesas
DescriptionR8C/14 Group, R8C/15 Group SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
R5F21143DSP Datasheet PDF : 277 Pages
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How to Use This Manual
1. Introduction
This hardware manual provides detailed information on the R8C/14 Group, R8C/15 Group of
microcomputers.
Users are expected to have basic knowledge of electric circuits, logical circuits and microcomputers.
2. Register Diagram
The symbols, and descriptions, used for bit function in each register are shown below.
XXX Register
*1
b7 b6 b5 b4 b3 b2 b1 b0
0
Symbol
Address
After Reset
*5
XXX
XXX
00h
Bit Symbol
Bit Name
XXX0 XXX Bit
XXX1
Function
b1 b0
1 0: XXX
0 1: XXX
1 0: Avoid this setting
1 1: XXX
RW
*2
RW
RW
Nothing is assigned.
(b2)
When write, should set to “0”. When read, its content is indeterminate.
*3
(b3)
Reserved Bit
Must set to “0”
RW *4
XXX4
XXX Bit
Function varies depending on each operation RW
mode
XXX5
WO
XXX6
RW
XXX7
XXX Bit
0: XXX
RO
1: XXX
*1
Blank:Set to “0” or “1” according to the application
0: Set to “0”
1: Set to “1”
X: Nothing is assigned
*2
RW: Read and write
RO: Read only
WO: Write only
: Nothing is assigned
*3
Reserved bit
Reserved bit. Set to specified value.
*4
Nothing is assigned
Nothing is assigned to the bit concerned. As the bit may be use for future functions,
set to “0” when writing to this bit.
Do not set to this value
The operation is not guaranteed when a value is set.
Function varies depending on mode of operation
Bit function varies depending on peripheral function mode.
Refer to respective register for each mode.
*5
Follow the text in each manual for binary and hexadecimal notations.
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 Overview
This MCU is built using the high-performance silicon gate CMOS process using a R8C/Tiny Series CPU core and is packaged in a 20-pin plastic molded LSSOP. This MCU operates using sophisticated instructions featuring a high level of instruction efficiency. With 1 Mbyte of address space, it is capable of executing instructions at high speed. Furthermore, the data flash ROM (1KB × 2blocks) is embedded in the R8C/15 group.
The difference between R8C/14 and R8C/15 groups is only the existence of the data flash ROM. Their peripheral functions are the same.

 Applications
Electric household appliance, office equipment, housing equipment (sensor, security), general industrial equipment, audio, etc.

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