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Digital Signal Controller, dsPIC33F, 40 MHz, 128 KB, 35 I/O's, ECAN, I2C, SPI, UART, 2.75 V

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Product Range Selector (dsPIC33F)

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Product Overview

The DSPIC33FJ128GP804-I/PT is a 16-bit Digital Signal Controller with advanced analogue. The CPU module has a 16-bit (data) modified Harvard architecture with an enhanced instruction set, including significant support for DSP. The CPU has a 24-bit instruction word with a variable length opcode field. The Program Counter (PC) is 23-bit wide and addresses up to 4M x 24-bit of user program memory space. The actual amount of program memory implemented varies by device. A single-cycle instruction prefetch mechanism is used to help maintain throughput and provides predictable execution. All instructions execute in a single cycle, with the exception of instructions that change the program flow, the double-word move (MOV.D) instruction and the table instructions. Overhead-free program loop constructs are supported using the DO and REPEAT instructions, both of which are interruptible at any time.
  • C compiler optimized instruction set
  • Linear program memory addressing up to 4M instruction words
  • Linear data memory addressing up to 64kb
  • 83 base instructions, mostly 1 word/1 cycle
  • Two 40-bit Accumulators with rounding and saturation options
  • On-chip flash program memory
  • Data SRAM
  • Boot, secure and general security for program flash
  • 8-channel hardware DMA
  • Timer/counters, up to five 16-bit timers can pair up to make two 32-bit timers
  • Interrupt controller - 5-cycle latency, 118 interrupt vectors
  • Digital I/O - peripheral pin select functionality
  • System management - External, crystal, resonator, internal RC flexible clock option
  • Power management - On-chip 2.5V voltage regulator
  • Analogue-to-digital converters (ADCs) - 10-bit, 1.1MSPS or 12-bit, 500kSPS conversion
  • Audio digital-to-analogue converter (DAC) - 16-bit dual channel DAC module
  • Data converter interface (DCI) module - Codec interface
  • Two analogue comparators with programmable input/output configuration
  • Low-power, high-speed CMOS flash technology
  • Communication modules - 4-wire SPI (up to two modules)


Industrial, Power Management, Automotive


ESD sensitive device, take proper precaution while handling the device. Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

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Technical Documents (3)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Stock arriving week commencing 25/05/23

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