Section 6 Floating-Point Unit (FPU)
Rev.1.00 Dec. 13, 2005 Page 138 of 1286
REJ09B0158-0100
Bit
Bit Name
Initial Value
R/W
Description
17 to 12 Cause
All 0
R/W
11 to 7
Enable
All 0
R/W
6 to 2
Flag
All 0
R/W
FPU Exception Cause Field
FPU Exception Enable Field
FPU Exception Flag Field
Each time an FPU operation instruction is executed,
the FPU exception cause field is cleared to 0. When
an FPU exception occurs, the bits corresponding to
FPU exception cause field and flag field are set to 1.
The FPU exception flag field remains set to 1 until it
is cleared to 0 by software.
For bit allocations of each field, see table 6.3.
1
0
RM1
RM0
0
1
R/W
R/W
Rounding Mode
These bits select the rounding mode.
00: Round to Nearest
01: Round to Zero
10: Reserved
11: Reserved
Содержание SH7780 Series
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Страница 450: ...Section 11 Local Bus State Controller LBSC Rev 1 00 Dec 13 2005 Page 400 of 1286 REJ09B0158 0100 ...
Страница 492: ...Section 12 DDR SDRAM Interface DDRIF Rev 1 00 Dec 13 2005 Page 442 of 1286 REJ09B0158 0100 ...
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Страница 1004: ...Section 24 Multimedia Card Interface MMCIF Rev 1 00 Dec 13 2005 Page 954 of 1286 REJ09B0158 0100 ...
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Страница 1104: ...Section 27 NAND Flash Memory Controller FLCTL Rev 1 00 Dec 13 2005 Page 1054 of 1286 REJ09B0158 0100 ...
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