Rev. 3.0, 04/02, page 157 of 1064
Table 6.2
Floating-Point Ranges
Type
Single-Precision
Double-Precision
Signaling non-number
H'7FFFFFFF to H'7FC00000
H'7FFFFFFF FFFFFFFF to
H'7FF80000 00000000
Quiet non-number
H'7FBFFFFF to H'7F800001
H'7FF7FFFF FFFFFFFF to
H'7FF00000 00000001
Positive infinity
H'7F800000
H'7FF00000 00000000
Positive normalized
number
H'7F7FFFFF to H'00800000
H'7FEFFFFF FFFFFFFF to
H'00100000 00000000
Positive denormalized
number
H'007FFFFF to H'00000001
H'000FFFFF FFFFFFFF to
H'00000000 00000001
Positive zero
H'00000000
H'00000000 00000000
Negative zero
H'80000000
H'80000000 00000000
Negative denormalized
number
H'80000001 to H'807FFFFF
H'80000000 00000001 to
H'800FFFFF FFFFFFFF
Negative normalized
number
H'80800000 to H'FF7FFFFF
H'80100000 00000000 to
H'FFEFFFFF FFFFFFFF
Negative infinity
H'FF800000
H'FFF00000 00000000
Quiet non-number
H'FF800001 to H'FFBFFFFF
H'FFF00000 00000001 to
H'FFF7FFFF FFFFFFFF
Signaling non-number
H'FFC00000 to H'FFFFFFFF
H'FFF80000 00000000 to
H'FFFFFFFF FFFFFFFF
6.2.2
Non-Numbers (NaN)
Figure 6.3 shows the bit pattern of a non-number (NaN). A value is NaN in the following case:
Sign bit: Don’t care
Exponent field: All bits are 1
Fraction field: At least one bit is 1
The NaN is a signaling NaN (sNaN) if the MSB of the fraction field is 1, and a quiet NaN (qNaN)
if the MSB is 0.
Summary of Contents for SH7751
Page 39: ...Rev 3 0 04 02 page xxxviii of xxxviii ...
Page 89: ...Rev 3 0 04 02 page 50 of 1064 ...
Page 157: ...Rev 3 0 04 02 page 118 of 1064 ...
Page 193: ...Rev 3 0 04 02 page 154 of 1064 ...
Page 225: ...Rev 3 0 04 02 page 186 of 1064 ...
Page 253: ...Rev 3 0 04 02 page 214 of 1064 ...
Page 301: ...Rev 3 0 04 02 page 262 of 1064 ...
Page 343: ...Rev 3 0 04 02 page 304 of 1064 ...
Page 607: ...Rev 3 0 04 02 page 568 of 1064 ...
Page 671: ...Rev 3 0 04 02 page 632 of 1064 ...
Page 745: ...Rev 3 0 04 02 page 706 of 1064 ...
Page 767: ...Rev 3 0 04 02 page 728 of 1064 ...
Page 1061: ...Rev 3 0 04 02 page 1022 of 1064 NMI tNMIL tNMIH Figure 23 69 NMI Input Timing ...
Page 1069: ...Rev 3 0 04 02 page 1030 of 1064 ...
Page 1103: ...Rev 3 0 04 02 page 1064 of 1064 ...