R8C13 datasheet(3/224 Pages) RENESAS

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How to Use This Manual

Introduction

This hardware manual provides detailed information on the R8C/13 Group of microcomputers.

Users are expected to have basic knowledge of electric circuits, logical circuits and microcomputers.

The symbols, and descriptions, used for bit function in each register are shown below.

Blank:Set to “0” or “1” according to the application

0: Set to “0”

1: Set to “1”

X: Nothing is assigned

RW: Read and write

RO: Read only

WO: Write only

−: Nothing is assigned

•Reserved bit

Reserved bit. Set to specified value.

•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.

Follow the text in each manual for binary and hexadecimal notations.

XXX register

SymbolAddressAfter reset

XXXXXX00h

Bit Name

Bit symbol

b7b6b5b4b3b2b1b0

XXX Bit

1 0: XXX

0 1: XXX

1 0: Avoid this setting

1 1: XXX

b1 b0

XXX1

XXX0

XXX4

Reserved Bit

XXX5

XXX7

XXX6

Function

Nothing is assigned.

When write, should set to "0". When read, its content is indeterminate.

XXX Bit

Function varies depending on each

operation mode

Must set to “0”

(b3)

(b2)

XXX Bit

0: XXX

1: XXX

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