M32C80 Datasheet, PDF (3/352 Pages) Renesas Technology Corp – 16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES

How to Use This Manual
1. Introduction
This hardware manual provides detailed information on the M32C/80 Group microcomputers. Users are ex-
pected 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 b5 b4 b3 b2 b1 b0
00
*1
Symbol
XXX
Address
XXX
After Reset
0016
Bit Symbol
Bit Name
XXX0
XXX1
XXX bit
Function
b1 b0
0 0: XXX
0 1: XXX
1 0: Do not set a value
1 1: XXX
RW
*2
RW
RW
Nothing is assigned.
(b2) When write, set to "0". When read, its content is indeterminate.
*3
Reserved bit
(b4 - b3)
Set to "0"
WO
*4
XXX5
XXX6
XXX bit
RW
Function varies depending on mode
of operation
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 a 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.