DS72011RB120FPV Renesas Electronics America, DS72011RB120FPV Datasheet - Page 98
DS72011RB120FPV
Manufacturer Part Number
DS72011RB120FPV
Description
IC SH7201 MPU ROMLESS 176LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7200r
Datasheet
1.R0K572011S000BE.pdf
(1222 pages)
Specifications of DS72011RB120FPV
Core Size
32-Bit
Core Processor
SH-2A
Speed
120MHz
Connectivity
CAN, EBI/EMI, FIFO, I²C, SCI, Serial Sound
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
104
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 70°C
Package / Case
176-LQFP
No. Of I/o's
109
Ram Memory Size
32KB
Cpu Speed
120MHz
Digital Ic Case Style
LQFP
Supply Voltage Range
3V To 3.6V
Operating Temperature Range
-20°C To +70°C
Embedded Interface Type
I2C, SSI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
R0K572011S000BE - KIT STARTER FOR SH7201HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
Eeprom Size
-
Program Memory Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS72011RB120FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 3 Floating-Point Unit (FPU)
3.4
In a floating-point instruction, rounding is performed when generating the final operation result
from the intermediate result. Therefore, the result of combination instructions such as FMAC will
differ from the result when using a basic instruction such as FADD, FSUB, or FMUL. Rounding is
performed once in FMAC, but twice in FADD, FSUB, and FMUL.
Which of the two rounding methods is to be used is determined by the RM bits in FPSCR.
FPSCR.RM[1:0] = 00: Round to Nearest
FPSCR.RM[1:0] = 01: Round to Zero
(1)
The operation result is rounded to the nearest expressible value. If there are two nearest
expressible values, the one with an LSB of 0 is selected.
If the unrounded value is 2
unrounded value. The values of Emax and P, respectively, are 127 and 24 for single-precision, and
1023 and 53 for double-precision.
(2)
The digits below the round bit of the unrounded value are discarded.
If the unrounded value is larger than the maximum expressible absolute value, the value will
become the maximum expressible absolute value.
Page 70 of 1190
Round to Nearest
Round to Zero
Rounding
Emax
(2 – 2
–P
) or more, the result will be infinity with the same sign as the
R01UH0026EJ0300 Rev. 3.00
SH7201 Group
Sep 24, 2010
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