Renesas M16C/62P Series Hardware Manual page 3

1. Introduction
This hardware manual provides detailed information on the M16C/62P Group (M16C/62P, M16C/62PT) 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
b7 b6
*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.
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*1
b5 b4 b3 b2 b1 b0
Symbol
0
XXX
Bit Symbol Bit Name
XXX Bit
XXX0
XXX1
Nothing is assigned.
(b2)
When write, should set to "0". When read, its content is indeterminate.
Reserved Bit
(b3)
XXX Bit
XXX4
XXX5
XXX6
XXX7 XXX Bit
提供单片机解密、IC解密、芯片解密业务
Address After Reset
XXX 00h
Function
b1 b0
1 0: XXX
0 1: XXX
1 0: Avoid this setting
1 1: XXX
Must set to "0"
Function varies depending on each operation
mode
0: XXX
1: XXX
*5
RW
*2
RW
RW
*3
RW
*4
RW
WO
RW
RO
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