Section 2 programming model, 1 data formats – Renesas SH7781 User Manual

Page 55

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2. Programming Model

Rev.1.00 Jan. 10, 2008 Page 25 of 1658

REJ09B0261-0100

Section 2 Programming Model

The programming model of this LSI is explained in this section. This LSI has registers and data
formats as shown below.

2.1

Data Formats

The data formats supported in this LSI 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

0

31 30

22

s

e

f

0

63 62

51

s

e

f

Legend:

s
e
f

:Sign field
:Exponent field
:Fraction field

Figure 2.1 Data Formats

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