R01UH0823EJ0100 Rev.1.00 Page 80 of 1823
Jul 31, 2019
RX23W Group 2. CPU
2.4 Data Types
The RXv2 CPU can handle four types of data: integer, floating-point, bit, and string.
For details, refer to RX Family RXv2 Instruction Set Architecture User's Manual: Software.
2.4.1 Integer
An integer can be signed or unsigned. For signed integers, negative values are represented by two's complements.
Figure 2.2 Integer
Unsigned longword (32-bit) integer
Signed longword (32-bit) integer
Unsigned word (16-bit) integer
Signed word (16-bit) integer
Unsigned byte (8-bit) integer
Signed byte (8-bit) integer
S: Signed bit
b31 b0
b31 b0
b15 b0
b15 b0
b7 b0
b7 b0
S
S
S