DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 126
DS72030W200FPV
Manufacturer Part Number
DS72030W200FPV
Description
MPU, 32BIT, SH7203, ROMLESS, 240QFP
Manufacturer
Renesas Electronics America
Series
SH7200r
Datasheet
1.R5S72030W200FP.pdf
(1686 pages)
Specifications of DS72030W200FPV
Core Size
32bit
Program Memory Size
32KB
Cpu Speed
200MHz
Digital Ic Case Style
QFP
No. Of Pins
240
Supply Voltage Range
1.1V To 1.3V
Operating Temperature Range
-20°C To +85°C
Svhc
No SVHC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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
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