32176 Datasheet, PDF (45/742 Pages) Renesas Technology Corp – 32-BIT RISC SINGLE-CHIP MICROCOMPUTER

2
CPU
2.6 Data Formats
2.6 Data Formats
2.6.1 Data Types
The data types that can be handled by the M32R instruction set are signed or unsigned 8, 16 and 32-bit
integers. The signed integers are represented by 2’s complements.
b0
b7
Signed byte
S
(8-bit) integer
b0
b7
Unsigned byte
(8-bit) integer
b0
b15
Signed halfword
S
(16-bit) integer
b0
b15
Unsigned halfword
(16-bit) integer
b0
b31
Signed word
S
(32-bit) integer
b0
b31
Unsigned word
(32-bit) integer
S: Sign bit
Figure 2.6.1 Data Types
32176 Group Hardware Manual
2-7
Rev.1.10 REJ09B0067-0110 Jun 20.06