SH7672 datasheet(104/1292 Pages) RENESAS

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Section 3

Floating-Point Unit (FPU)

Rev. 1.00

Nov. 14, 2007

Page 78 of 1262

REJ09B0437-0100

Table 3.2 shows the ranges of the various numbers in hexadecimal notation.

Table 3.2

Floating-Point Ranges

Type

Single-Precision

Double-Precision

Signaling non-number

H'7FFF FFFF to H'7FC0 0000

H'7FFF FFFF

FFFF FFFF to

H'7FF8 0000

0000 0000

Quiet non-number

H'7FBF FFFF to H'7F80 0001

H'7FF7 FFFF

FFFF FFFF to

H'7FF0 0000

0000 0001

Positive infinity

H'7F80 0000

H'7FF0 0000

0000 0000

Positive normalized

number

H'7F7F FFFF to H'0080 0000

H'7FEF FFFF

FFFF FFFF to

H'0010 0000

0000 0000

Positive denormalized

number

H'007F FFFF to H'0000 0001

H'000F FFFF

FFFF FFFF to

H'0000 0000

0000 0001

Positive zero

H'0000 0000

0000 0000

Negative zero

H'8000 0000

0000 0000

Negative denormalized

number

H'8000 0001 to H'807F FFFF

H'8000 0000

0000 0001 to

H'800F FFFF

FFFF FFFF

Negative normalized

number

H'8080 0000 to H'FF7F FFFF

H'8010 0000

0000 0000 to

H'FFEF FFFF

FFFF FFFF

Negative infinity

H'FF80 0000

H'FFF0 0000

0000 0000

Quiet non-number

H'FF80 0001 to H'FFBF FFFF

H'FFF0 0000

0000 0001 to

H'FFF7 FFFF

FFFF FFFF

Signaling non-number

H'FFC0 0000 to H'FFFF FFFF

H'FFF8 0000

0000 0000 to

H'FFFF FFFF

FFFF FFFF

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