R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 126

• Manufacturer Part Number: R0K572030S000BE
• Description: KIT DEV FOR SH7203
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: MCUr

Specifications of R0K572030S000BE

• Contents: CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
• Silicon Manufacturer: Renesas
• Kit Contents: Board
• Silicon Family Name: SH7203
• Silicon Core Number: R5S72030W200FP
• Tool / Board Applications: General Purpose MCU, MPU, DSP, DSC
• Mcu Supported Families: SH7203
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: SH7203
• Lead Free Status / Rohs Status: Compliant

Section 3 Floating-Point Unit (FPU)
3.2
3.2.1
A floating-point number consists of the following three fields:
• Sign (s)
• Exponent (e)
• Fraction (f)
This LSI can handle single-precision and double-precision floating-point numbers, using the
formats shown in figures 3.1 and 3.2.
The exponent is expressed in biased form, as follows:
The range of unbiased exponent E is E
distinguished as follows. E
denormalized number, and E
Table 3.1 shows E
Rev. 3.00 Sep. 28, 2009 Page 94 of 1650
REJ09B0313-0300
e = E + bias
Data Formats
Floating-Point Format
31
63
s
s
Figure 3.2 Format of Double-Precision Floating-Point Number
Figure 3.1 Format of Single-Precision Floating-Point Number
min
30
62
and E
max
min
e
e
max
– 1 indicates zero (both positive and negative sign) and a
values.
+ 1 indicates positive or negative infinity or a non-number (NaN).
min
23
52
– 1 to E
22
51
max
+ 1. The two values E
f
f
min
– 1 and E
0
0
max
+ 1 are