DFPMU-DP Datasheet, PDF (2/6 Pages) Digital Core Design – Floating Point Coprocessor Double Precision

KEY FEATURES
● Direct replacement for C double, float
software functions such as: +, -, *, /,==,
!=,>=, <=, <, >
● Configurability of all available functions
● C interface supplied for all popular compil-
ers: GNU C/C++, 8051 compilers
● No programming required
● IEEE-754 Double precision real format
support – double type
● IEEE-754 Single precision real format
support – float type
● 8-bit, 16-bit 32-bit and 52-bit integers for-
mat supported – integer types
● Flexible arguments and result registers
location
● Performs the following functions:
○ FADD, FSUB – addition, subtraction
○ FMUL, FDIV – multiplication, division
○ FSQRT
– square root
○ FXAM
– examine input data
○ FUCOM
– comparison
○ FSIN, FCOS – sine, cosine
○ FTAN
– tangent
○ FATAN
– arctangent
○ FCLD, FILD – 8-bit, 16-bit integer to dou-
ble
○ FLLD, FELD – 32-bit, 52-bit integer to
double
○ FCST, FIST – double to 8-bit, 16-bi inte-
ger
○ FLST, FEST – double to 32-bit, 52-bit in-
teger
○ FFLD
– float to double
○ FFST
– double to float
● Exceptions built-in routines
● Masks each exception indicator:
○ Precision lack PE
○ Underflow result UE
○ Overflow result OE
○ Invalid operand IE
○ Division by zero ZE
○ Denormal operand DE
All trademarks mentioned in this document
are trademarks of their respective owners.
● Fully configurable
● Fully synthesizable, static synchronous
design with no internal tri-states
DELIVERABLES
♦ Source code:
◊ VHDL Source Code or/and
◊ VERILOG Source Code or/and
◊ Encrypted Netlist or/and
◊ plain text EDIF netlist
♦ VHDL & VERILOG test bench environ-
ment
◊ Active-HDL automatic simulation mac-
ros
◊ NCSim automatic simulation macros
◊ ModelSim automatic simulation macros
◊ Tests with reference responses
♦ Technical documentation
◊ Installation notes
◊ HDL core specification
◊ Datasheet
♦ Synthesis scripts
♦ Example application
♦ Technical support
◊ IP Core implementation support
◊ 3 months maintenance
● Delivery the IP Core updates, minor
and major versions changes
● Delivery the documentation updates
● Phone & email support
http://www.DigitalCoreDesign.com
http://www.dcd.pl
Copyright 1999-2007 DCD – Digital Core Design. All Rights Reserved.