M16C26 Datasheet, PDF (3/239 Pages) Renesas Technology Corp – 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES

How to Use This Manual
This hardware manual provides detailed information on features in the M16C/26 Group
microcomputer.
Users are expected to have basic knowledge of electric circuits, logical circuits and micro-
computer.
Each register diagram contains bit functions with the following symbols and descriptions.
XXX register
b7 b6 b5 b4 b3 b2 b1 b0
0
*1
Symbol
XXX
Address
XXX
After reset
0016
Bit symbol
XXX0
Bit name
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.
(b3)
XXX4
XXX5
Reserved bit
XXX bit
Should set to "0"
Function varies depending on each
operation mode
RW
*3
RW
WO
XXX6
RW
XXX7
XXX bit
0: XXX
1: XXX
RO
*1
Blank:Set to "0" or "1" according to your intended use
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
Terms to use here are explained as follows.
• Nothing is assigned
Nothing is assigned to the bit concerned. When write, set to "0" for new function
in future plan.
• Reserved bit
Reserved bit. Set the specified value.
• Avoid this setting
The operation at having selected is not guaranteed.
• Function varies depending on each operation mode
Bit function varies depending on peripheral function mode.
Refer to register diagrams in each mode.