SH7751 Datasheet, PDF (145/1224 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

2. Programming Model
Section 2 Programming Model
2.1 Data Formats
The data formats handled by the SH-4 are shown in figure 2.1.
Byte (8 bits)
Word (16 bits)
Longword (32 bits)
Single-precision floating-point (32 bits)
63 62 51
Double-precision floating-point (64 bits) _{s exp}
Figure 2.1 Data Formats
70
15
0
31
0
31 30 22
0
s exp
fraction
0
fraction
Rev.4.00 Oct. 10, 2008 Page 47 of 1122
REJ09B0370-0400