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DFPAU-DP Datasheet, PDF (2/6 Pages) Digital Core Design – Floating Point Arithmetic Coprocessor Double Precision | |||
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KEY FEATURES
â Direct replacement for C double, float
software functions such as: +, -, *, /,==,
!=,>=, <=, <, >
â Configurability of all available functions
â C interface supplied for all popular compil-
ers: GNU C/C++, 8051 compilers
â No programming required
â IEEE-754 Double precision real format
support â double type
â IEEE-754 Single precision real format
support â float type
â 8-bit, 16-bit 32-bit and 52-bit integers for-
mat supported â integer types
â Flexible arguments and result registers
location
â Performs the following functions:
â FADD, FSUB â addition, subtraction
â FMUL, FDIV â multiplication, division
â FSQRT
â square root
â FXAM
â examine input data
â FUCOM
â comparison
â FCLD, FILD â 8-bit, 16-bit integer to dou-
ble
â FLLD, FELD â 32-bit, 52-bit integer to
double
â FCST, FIST â double to 8-bit, 16-bi inte-
ger
â FLST, FEST â double to 32-bit, 52-bit in-
teger
â FFLD
â float to double
â FFST
â double to float
â Exceptions built-in routines
â Masks each exception indicator:
â Precision lack PE
â Underflow result UE
â Overflow result OE
â Invalid operand IE
â Division by zero ZE
â Denormal operand DE
â Fully configurable
â Fully synthesizable, static synchronous
design with no internal tri-states
All trademarks mentioned in this document
are trademarks of their respective owners.
DELIVERABLES
⦠Source code:
â VHDL Source Code or/and
â VERILOG Source Code or/and
â Encrypted Netlist or/and
â plain text EDIF netlist
⦠VHDL & VERILOG test bench environ-
ment
â Active-HDL automatic simulation mac-
ros
â NCSim automatic simulation macros
â ModelSim automatic simulation macros
â Tests with reference responses
⦠Technical documentation
â Installation notes
â HDL core specification
â Datasheet
⦠Synthesis scripts
⦠Example application
⦠Technical support
â IP Core implementation support
â 3 months maintenance
â Delivery the IP Core updates, minor
and major versions changes
â Delivery the documentation updates
â Phone & email support
http://www.DigitalCoreDesign.com
http://www.dcd.pl
Copyright 1999-2007 DCD â Digital Core Design. All Rights Reserved.
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