R5F21133DFP RENESAS [Renesas Technology Corp], R5F21133DFP Datasheet - Page 3

• Manufacturer Part Number: R5F21133DFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY/R8C/Tiny SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

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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.
*1
*2
*3
*4
*5
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
Follow the text in each manual for binary and hexadecimal notations.
Reserved bit
Nothing is assigned
Do not set to this value
Function varies depending on mode of operation
: Nothing is assigned
Introduction
Register Diagram
Reserved bit. Set to specified value.
Nothing is assigned to the bit concerned. As the bit may be use for future functions,
set to “0” when writing to this bit.
The operation is not guaranteed when a value is set.
Bit function varies depending on peripheral function mode.
Refer to respective register for each mode.
X X X r e g i s t e r
b 7
b 6
How to Use This Manual
b 5
b 4
b 3
0
b 2
b 1
b 0
B i t s y m b o l
X X X 0
X X X 1
X X X 4
X X X 5
X X X 6
X X X 7
( b 2 )
( b 3 )
S y m b o l
X X X
*1
N o t h i n g i s a s s i g n e d .
W h e n w r i t e , s h o u l d s e t t o " 0 " . W h e n r e a d , i t s c o n t e n t i s i n d e t e r m i n a t e .
X X X B i t
X X X B i t
X X X B i t
R e s e r v e d B i t
B i t N a m e
A d d r e s s
X X X
b 1 b 0
1 0 : X X X
0 1 : X X X
1 0 : A v o i d t h i s s e t t i n g
1 1 : X X X
0 : X X X
1 : X X X
F u n c t i o n v a r i e s d e p e n d i n g o n e a c h
o p e r a t i o n m o d e
M u s t s e t t o “ 0 ”
A f t e r r e s e t
0 0
h
F u n c t i o n
*5
R W
R W
R W
W O
R W
R W
R W
R O
*3
*4
*2