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32180 Datasheet(PDF) 45 Page - Renesas Technology Corp

Part # 32180
Description  32-Bit RISC Single-Chip Microcomputers M32R Family M32R/ECU Series
PDF  839 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

32180 Datasheet(HTML) 45 Page - Renesas Technology Corp

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2-8
32180 Group User’s Manual (Rev.1.0)
CPU
2.6 Data Formats
2.6 Data Formats
2.6.1 Data Types
The data types that can be handled by the M32R-FPU instruction set are signed or unsigned 8, 16 and 32-bit
integers and single-precision floating-point numbers. The signed integers are represented by 2’s complements.
Figure 2.6.1 Data Types
Signed byte
(8-bit) integer
Unsigned byte
(8-bit) integer
Signed halfword
(16-bit) integer
Unsigned halfword
(16-bit) integer
Signed word
(32-bit) integer
Unsigned word
(32-bit) integer
Single-precision
floating-point number
b0
b0
b0
b0
b0
b0
b7
b7
b15
b15
b31
b31
S
S
S
b0 b1
b8 b9
b31
SE
F
S: Sign bit; E: Exponent field; F: Fraction field



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