Renesas SuperH SH-4A - Section 1 Overview; Data Formats; Figure 2.1 Data Formats; Section 2 Programming Model

Rev. 1.50, 10/04, page 7 of 448
Section 2 Programming Model
The programming model of the SH-4A is explained in this section. The SH-4A has registers and
data formats as shown below.
2.1 Data Formats
The data formats supported in the SH-4A are shown in figure 2.1.
Byte (8 bits)
Word (16 bits)
Longword (32 bits)
Single-precision floating-point (32 bits)
Double-precision floating-point (64 bits)
0
7
0
15
0
31
031 30 22
se f
063
62 51
se
f
[Legend]
s
e
f
:Sign field
:Exponent field
:Fraction field
Figure 2.1 Data Formats