R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 132
R0K572030S000BE
Manufacturer Part Number
R0K572030S000BE
Description
KIT DEV FOR SH7203
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Specifications of R0K572030S000BE
Contents
CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
Silicon Manufacturer
Renesas
Kit Contents
Board
Silicon Family Name
SH7203
Silicon Core Number
R5S72030W200FP
Tool / Board Applications
General Purpose MCU, MPU, DSP, DSC
Mcu Supported Families
SH7203
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
SH7203
Lead Free Status / Rohs Status
Compliant
- Current page: 132 of 1686
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Section 3 Floating-Point Unit (FPU)
3.3.2
FPSCR is a 32-bit register that controls floating-point instructions, sets FPU exceptions, and
selects the rounding mode.
Initial value:
Initial value:
Rev. 3.00 Sep. 28, 2009 Page 100 of 1650
REJ09B0313-0300
Bit
31 to 23
22
21
20
19
18
R/W:
R/W:
Bit:
Bit:
Floating-Point Status/Control Register (FPSCR)
R/W
Bit Name
—
QIS
—
SZ
PR
DN
31
15
R
0
0
-
R/W
30
14
R
0
0
-
Cause
R/W
29
13
R
0
0
-
Initial
Value
All 0
0
0
0
0
1
R/W
28
12
R
0
0
-
R/W
27
11
R
0
0
-
R/W
R
R/W
R
R/W
R/W
R
R/W
26
10
R
0
0
-
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Nonnunerical Processing Mode
0: Processes qNaN or ±∞ as such
1: Treats qNaN or ±∞ as the same as sNaN (valid only
Reserved
This bit is always read as 0. The write value should
always be 0.
Transfer Size Mode
0: Data size of FMOV instruction is 32-bits
1: Data size of FMOV instruction is a 32-bit register pair
Precision Mode
0: Floating-point instructions are executed as single-
1: Floating-point instructions are executed as double-
Denormalization Mode (Always fixed to 1 in SH2A-
FPU)
1: Denormalized number is treated as zero
Enable
R/W
25
R
0
9
0
when FPSCR.Enable.V = 1)
(64 bits)
precision operations
precision operations (graphics support instructions
are undefined)
-
R/W
24
R
0
8
0
-
R/W
23
R
0
7
0
-
R/W
R/W
QIS
22
0
6
0
R/W
21
R
0
5
0
-
R/W
R/W
Flag
20
SZ
0
4
0
R/W
R/W
19
PR
0
3
0
R/W
DN
18
R
1
2
0
R/W
R/W
RM1
17
0
1
0
Cause
R/W
R/W
RM0
16
0
0
1
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