DR8051
8-bit RISC Microcontroller
ver 2.00
OVERVIEW
DR8051 soft core is binary-compatible with
the industry standard 8051 8-bit microcon-
troller and can achieve a performance of up
to
55 million instructions
per second in
today's integrated circuit technologies.
DR8051 has RISC architecture that is 6.7
time faster compare to the original imple-
mentation.
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User programmable RAMWE and
RAMRD pulses between 1 to 8 clock pe-
riods
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De-multiplexed Address/Data Bus to
allow easy connection to memory
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Over 16 times data transfer faster than
the original implementation
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Two 16-bit timer/counters
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Full-duplex serial port
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Support for External SFRs
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Fully synthesizable, static synchronous
design with no internal tri-states
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1 GHz virtual clock frequency compare
to the original implementation (over 150
MHz in a typical 0.25u technological
process)
KEY FEATURES
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Software compatible with industry stan-
dard 8051
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RISC architecture
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6.7 times faster than the original imple-
mentation
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4-clk periods multiplication
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5-clk periods division
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Up to 16M bytes of external standard
Data Memory
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Up to 256 bytes of internal dual port
Data Memory
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Up to 64K bytes of Program Memory
SPECIAL FEATURES
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I2C bus controller
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Floating-Point arithmetic coprocessor
IEEE-754 standard single precision
眉
FADD, FSUB - addition, subtraction
眉
FMUL, FDIV- multiplication, division
眉
FSQRT- square root
DR8051相關(guān)型號PDF文件下載
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