R0K572011S000BE Renesas Electronics America, R0K572011S000BE Datasheet - Page 92

• Manufacturer Part Number: R0K572011S000BE
• Description: KIT STARTER FOR SH7201
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: MCUr

Specifications of R0K572011S000BE

• Contents: CPU Board, LCD Display Module, E8 Emulator, Cable, QuickStart Guide and CD-ROM
• For Use With/related Products: SH7201
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Section 3 Floating-Point Unit (FPU)
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
Table 3.1
Floating-point number value v is determined as follows:
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Parameter
Total bit width
Sign bit
Exponent field
Fraction field
Precision
Bias
E
E
max
min
If E = E
If E = E
If E
If E = E
If E = E
min
e = E + bias
≤ E ≤ E
max
max
min
min
Floating-Point Number Formats and Parameters
– 1 and f ≠ 0, v = (–1)
– 1 and f = 0, v = (–1)
+ 1 and f ≠ 0, v is a non-number (NaN) irrespective of sign s
+ 1 and f = 0, v = (–1)
max
min
, v = (–1)
and E
Single-Precision
32 bits
1 bit
8 bits
23 bits
24 bits
+127
+127
–126
max
min
max
s
– 1 indicates zero (both positive and negative sign) and a
values.
2
E
+ 1 indicates positive or negative infinity or a non-number (NaN).
(1.f) [normalized number]
s
s
s
2
0 [positive or negative zero]
(infinity) [positive or negative infinity]
Emin
min
– 1 to E
(0.f) [denormalized number]
max
+ 1. The two values E
Double-Precision
64 bits
1 bit
11 bits
52 bits
53 bits
+1023
+1023
–1022
min
R01UH0026EJ0300 Rev. 3.00
– 1 and E
max
SH7201 Group
+ 1 are
Sep 24, 2010