HD6417750SF167V Renesas Electronics America, HD6417750SF167V Datasheet - Page 271
HD6417750SF167V
Manufacturer Part Number
HD6417750SF167V
Description
MPU 3V 16K PB-FREE 208-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417750RBP240DV.pdf
(1164 pages)
Specifications of HD6417750SF167V
Core Processor
SH-4
Core Size
32-Bit
Speed
167MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
28
Program Memory Type
ROMless
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 2 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
208-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Price
Company:
Part Number:
HD6417750SF167V
Manufacturer:
INTERSIL
Quantity:
18 720
Company:
Part Number:
HD6417750SF167V
Manufacturer:
Renesas Electronics America
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6.1
The floating-point unit (FPU) has the following features:
• Conforms to IEEE754 standard
• 32 single-precision floating-point registers (can also be referenced as 16 double-precision
• Two rounding modes: Round to Nearest and Round to Zero
• Two denormalization modes: Flush to Zero and Treat Denormalized Number
• Six exception sources: FPU Error, Invalid Operation, Divide By Zero, Overflow, Underflow,
• Comprehensive instructions: Single-precision, double-precision, graphics support, system
When the FD bit in SR is set to 1, the FPU cannot be used, and an attempt to execute an FPU
instruction will cause an FPU disable exception.
6.2
6.2.1
A floating-point number consists of the following three fields:
• Sign (s)
• Exponent (e)
• Fraction (f)
The FPU can handle single-precision and double-precision floating-point numbers, using the
formats shown in figures 6.1 and 6.2.
registers)
and Inexact
control
31
s
Overview
Data Formats
Floating-Point Format
30
Figure 6.1 Format of Single-Precision Floating-Point Number
Section 6 Floating-Point Unit (FPU)
e
23 22
Rev.7.00 Oct. 10, 2008 Page 185 of 1074
Section 6 Floating-Point Unit (FPU)
f
REJ09B0366-0700
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