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Showing Results For: Digital Signal Processors
Digital Signal Processors
Digital signal processors, or DSPs, are specialized microprocessors designed to capture signals for various applications like audio, video, or voice in digital format, followed by efficient information processing and feeding the information back for mathematical manipulation. Signal processing is crucial for displaying, analyzing, and converting the embedded information into applicable forms. Furthermore, DSPs are designed to make sound clearer, images sharper, and allow data transfer faster. In addition, they are found in a wide range of electronic applications.
What are the key components of the digital signal processors?
A DSP consists of the following essential components.
- Data Memory- is designed for information storage to be processed further.
- Compute Engine- process the computational math, access programs in program memory and data in data memory.
- Program Memory- memory for storing programs that the DSP uses to process the data.
- Input/Output- perform a multitude of functions for connecting various input and output devices to the system exterior.
When choosing the right DSP, the essential considerations include:
- RAM size: RAM size should be carefully ascertained because the greater the size, the better the performance.
- Program Memory: It is crucial to consider the program memory to allow customization of a DSP for several specialized functions.
- Frequency: refers to the number of data points per second, which is assumed as a speed.
Where are digital signal processors used?
Digital signal processors also come as specialized microprocessors that perform various functions, such as addition, subtraction, multiplication, and division. DSPs are found in a wide variety of environments with uncountable applications in:
- Disk Drives
- Audio signal processing
- Digital image processing
- Digital signal processing
- Radar and sonar
- Telecommunications
- Mobile phones
- Speech recognition systems
- Biomedical engineering
- Seismology
- High-definition television (HDTV), and many more.
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ADSP-CM403CSWZ-FF, Analog Devices
ADSP-CM40x Mixed Signal Control Processors
Analog Devices ADSP-CM40x family of mixed-signal control processors is based on the ARM Cortex-M4F processor core with floating point unit.
ARM Cortex-M4 Mixed-Signal Control Processors
The ADSP-CM4xx Mixed Signal Control Processors utilize the ARM Cortex-M4 core integrated with high-precision ADCs, digital accelerators, filters, SRAM, Flash memory and a rich set of peripherals.
New items
ADSP-BF534BBCZ-5B, Analog Devices
Blackfin® Digital Signal Processors
Analog Devices Blackfin® range of 16/32-bit embedded digital signal processors (DSPs) offer software flexibility and scalability for a multitude of convergent applications: multi-format audio, video, voice and image processing, multimode baseband and packet processing, control processing, and real-time security.
New items
DSPIC33FJ12MC202-I/SP, Microchip
dsPIC33F Digital Signal Controllers
The dsPIC33F Digital Signal Controllers offer the performance of a DSP with the simplicity of an MCU. The 40MIPS dsPIC33F core is designed to execute digital filter algorithms, high-speed precision digital control loops and digital audio and speech processing.
dsPIC33F DSCs with Motor Control peripherals enable the design of high-performance, precision motor control systems. The dsPIC33F SMPS DSCs provide on-chip peripherals specifically designed for high-performance, digital power supplies. SMPS peripherals include high speed and high resolution PWM, fast ADC and analogue comparators.
New items
New items
ADSP-BF518BBCZ4F16, Analog Devices
ADSP-BF50x Blackfin® Embedded Processors
The Analog Devices ADSP-BF50x range of processors are members of the Blackfin® family of products. Incorporating Analog Devices/Intel Micro Signal Architecture (MSA), Blackfin® processors combine a dual-MAC signal processing engine, an orthogonal RISC-like microprocessor instruction set with single instruction and multiple data (SIMD) multimedia capabilities into a single instruction-set architecture. They are completely code-compatible with all other Blackfin® processors.
New items
ADSP-BF518BSWZ-4, Analog Devices
Blackfin® Digital Signal Processors
Analog Devices Blackfin® range of 16/32-bit embedded digital signal processors (DSPs) offer software flexibility and scalability for a multitude of convergent applications: multi-format audio, video, voice and image processing, multimode baseband and packet processing, control processing, and real-time security.
New items
ADSP-CM402CSWZ-FF, Analog Devices
ADSP-CM40x Mixed Signal Control Processors
Analog Devices ADSP-CM40x family of mixed-signal control processors is based on the ARM Cortex-M4F processor core with floating point unit.
ARM Cortex-M4 Mixed-Signal Control Processors
The ADSP-CM4xx Mixed Signal Control Processors utilize the ARM Cortex-M4 core integrated with high-precision ADCs, digital accelerators, filters, SRAM, Flash memory and a rich set of peripherals.
New items
ADSP-BF512KBCZ-4, Analog Devices
Blackfin® Digital Signal Processors
Analog Devices Blackfin® range of 16/32-bit embedded digital signal processors (DSPs) offer software flexibility and scalability for a multitude of convergent applications: multi-format audio, video, voice and image processing, multimode baseband and packet processing, control processing, and real-time security.
New items
dsPIC33FJ12MC201-I/SS, Microchip
dsPIC33F Digital Signal Controllers
The dsPIC33F Digital Signal Controllers offer the performance of a DSP with the simplicity of an MCU. The 40MIPS dsPIC33F core is designed to execute digital filter algorithms, high-speed precision digital control loops and digital audio and speech processing.
dsPIC33F DSCs with Motor Control peripherals enable the design of high-performance, precision motor control systems. The dsPIC33F SMPS DSCs provide on-chip peripherals specifically designed for high-performance, digital power supplies. SMPS peripherals include high speed and high resolution PWM, fast ADC and analogue comparators.
New items
DSPIC30F2010-20I/SP, Microchip
dsPIC30F1010/202x 16-Bit Digital Signal Controllers
Microchips dsPIC30F family of Digital Signal Controllers (DSCs) offer designers DSP like performance with the simplicity of an MCU. The dsPIC30F1010/202x range of devices feature peripherals to support digital switch-mode power supplies (SMPS) and other digital power conversion applications.
CPU Features
30 MIPS Max. CPU Speed
Modified Harvard architecture
C Compiler optimized instruction set architecture
83 base instructions with flexible addressing modes
24-bit wide instructions, 16-bit wide data path
12 Kbytes on-chip Flash program space
512 bytes on-chip data RAM
16 x 16-bit working register array
32 interrupt sources
Three external interrupt sources
8 user-selectable priority levels for each interrupt
4 processor exceptions and software traps
DSP Engine Features
Modulo and Bit-Reversed modes
Two 40-bit wide accumulators with optional saturation logic
17-bit x 17-bit single-cycle hardware fractional/integer multiplier
Single-cycle Multiply-Accumulate (MAC) operation
40-stage Barrel Shifter
Dual data fetch
Peripheral Features
High-current sink/source I/O pins: 25 mA/25 mA
Three 16-bit timers/counters – option to pair up 16-bit timers into 32-bit timer modules
One 16-bit Capture input functions
Two 16-bit Compare/PWM output functions
Four PWM generators with 8 outputs
10-Bit 2000 Ksps Analogue-to-Digital Converter (ADC) – 6 to 12 channels depending on model
Four Analogue Comparators
3-wire SPI modules
I2CTM module
UART Module
New items
dsPIC33FJ128MC204-I/ML, Microchip
dsPIC33F Digital Signal Controllers
The dsPIC33F Digital Signal Controllers offer the performance of a DSP with the simplicity of an MCU. The 40MIPS dsPIC33F core is designed to execute digital filter algorithms, high-speed precision digital control loops and digital audio and speech processing.
dsPIC33F DSCs with Motor Control peripherals enable the design of high-performance, precision motor control systems. The dsPIC33F SMPS DSCs provide on-chip peripherals specifically designed for high-performance, digital power supplies. SMPS peripherals include high speed and high resolution PWM, fast ADC and analogue comparators.
New items
DSPIC33EP256GP504-I/ML, Microchip
Microchips dsPIC33E family of digital signal controllers (DSCs) features a 70 MIPS dsPIC® DSC core with integrated DSP and enhanced on-chip peripherals. These DSCs enable the design of high-performance, precision motor control systems that are more energy efficient, quieter in operation, have a great range and extended life.
Operating Conditions:
3.0V to 3.6V, -40ºC to +85ºC, DC to 70 MIPS
3.0V to 3.6V, -40ºC to +125ºC, DC to 60 MIPS
dsPIC33E DSC Core:
Modified Harvard Architecture
C Compiler Optimized Instruction Set
16-bit Wide Data Path
24-bit Wide Instructions
16x16 Integer Multiply