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ST100 Datasheet

  • ST100

  • ST100 DSP CORES

  • 3頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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ST100
ST100 DSP CORES
DATA BRIEF
1
鈻?/div>
FEATURES
State-of-the-art DSP core architecture
鈥?Complete & optimized memory systems
鈥?Multicore solutions
鈥?Standard or specific tightly coupled peripher-
als libraries
Advanced Load/store Architecture
鈥?Regular and efficient.
鈥?Optimized for programming in 鈥楥/C++/EC++鈥?/div>
languages.
Two Instruction Sets
鈥?GP16, a 16-bit instruction set.
鈥?GP32, a 32-bit instruction set.
Three Instruction Modes
鈥?GP16: 2-way superscalar, for compact micro-
controller codes.
鈥?GP32: 2-way superscalar, for high perfor-
mance microcontroller codes.
鈥?SLIW: one SLIW per cycle, where a SLIW
(Scoreboarded Long Instruction Word), is a
bundle of four
鈥?GP32 instruction words. This mode is for high
performance vector codes (DSP loops).
Predicated Execution For Most Instructions
鈥?Removes needs of conditional branches.
鈥?Compact coding and increased instruction
level parallelism.
Flexible Data Format
鈥?The ST100 supports the following data types:
鈥?16-bit, 32-bit and 40-bit unsigned/signed
integer.
鈥?16-bit, 32-bit, and 40-bit signed fractional.
鈥?Signed and unsigned byte and Bit.
鈥?Supports little Endian for data and program.
Circular And Bit-reversed DSP Addressing
Modes
鈥?Facilitates the implementation of the DSP al-
gorithms like the FIR filters and the FFT.
Arithmetic Capability
鈥?40-bit and 32-bit arithmetic.
鈥?Packed Arithmetic 2 x 16-bit (SIMD).
鈥?Saturating (Clamping) and/or Rounding op-
tions
Application Oriented Instructions
鈥?Useful instructions for ETSI (European Tele-
communications Standards Institute) primi-
tives in GP32 and GP16:
鈥?VITERBI...
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
General usage instructions:
Hardware Loop Controllers
鈥?Zero cycles overhead for continuous data
processing.
鈥?Three nestable loops.
Memory Space
鈥?32-bit addressing range, 4 Gbytes of memory
space.
Interrupt, Trap And Context Switching
鈥?Fast response to external events or system
errors.
Protection System
鈥?User mode and Supervisor mode.
Power Saving
鈥?Four "IDLE" modes performing power saving
operations.
2
DESCRIPTION
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
STMicroelectronics' innovative ST100廬 DSP pro-
cessor core architecture has been conceived spe-
cifically for embedded applications in custom
system-on-chip products for demanding markets
like cellular phones, hard disk drives, engine man-
agement units, telecommunication systems and
advanced multimedia products. A completely new
design, the ST100廬 architecture combines in a
single core the advantages of a 16-bit instruction
word for code compactness, a 32-bit instruction
word for MCU performance and a 128-bit SLIW in-
struction word for high DSP performance. The
ST100廬 core is also scaleable, so it can be imple-
mented in many ways, ranging from low power de-
vices for portable products to very high
performance devices with a maximum of parallel-
ism. Building on ST's experience in embedded
cores, the ST100廬 architecture is based on an
analysis of the real needs of system designers and
software engineers in some of the fastest-moving
segments of the industry, where high perfor-
mance, low power consumption and fast time to
market are all essential.
Rev. 1
1/3
鈻?/div>
September 2004

ST100 產(chǎn)品屬性

  • 9現(xiàn)貨

  • 1 : ¥4,097.54000散裝

  • ST

  • 散裝

  • 在售

  • 收發(fā)器; RADAR

  • 24.05GHz ~ 24.25GHz

  • K-LC,K-MC

  • 板,電纜,配件

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