DSPIC33FJ64GP706A-E/MR
DSPIC33FJ64GP706A-E/MR - 16-bit DSC, 64KB Flash, 40 MIPS | Microchip
The Microchip Technology DSPIC33FJ64GP706A-E/MR is a 16-bit digital signal controller (DSC) combining a dsPIC33F RISC core running at up to 40 MIPS with 64 KB of Flash program memory and 16 KB of SRAM, housed in a 64-pin VQFN (9x9 mm, MR) package with exposed pad, rated for the extended -40C to +125C temperature range.
A digital signal controller is a hybrid class of embedded processor that merges the control peripherals of a microcontroller with the math acceleration of a digital signal processor. Within the embedded hierarchy, the dsPIC33F sits above basic 8-bit MCUs and beside 16-bit general-purpose MCUs such as the PIC24H, offering single-cycle MAC, DSP multiply-divide, and dual operand fetch for signal-processing workloads while retaining Flash self-programming, interrupt-driven peripherals, and low-cost development tools.
Key features include 40 MIPS maximum instruction throughput at 3.3V operation (VDD 3.0V to 3.6V), 53 general-purpose I/O pins, and the General Purpose (GP) peripheral set with advanced analog. The A revision silicon improves on the original dsPIC33FJ64GP706 errata, and the -E temperature suffix qualifies the device for -40C to +125C environments where industrial -I grade (-40C to +85C) is insufficient. The family is listed under the Automotive series with AEC-Q100 relevance in distributor data.
Technically, the dsPIC33F architecture uses a modified Harvard 16-bit core with a 40-stage-deep pipelined instruction fetch, hardware DSP engine (17x17 multiplier, 40-bit accumulator, dual fetch), and up to two on-chip oscillators with PLL for clock flexibility. Peripherals on GP variants typically include UART, SPI, I2C, ECAN, multiple 16-bit timers, output compare/input capture, and high-speed 10-bit/12-bit ADC modules - consult the 362-page manufacturer datasheet for exact channel counts on this MPN.
Typical applications include digital power conversion and UPS control, motor control (BLDC/PMSM/ACIM), sensor signal conditioning and conditioning-heavy industrial automation, and embedded control in automotive subsystems benefiting from the extended temperature range.
When designing with this DSC, budget the Flash carefully: 64 KB accommodates most control loops with a full DSP library, but the same pin-compatible family extends to 128 KB and 256 KB (DSPIC33FJ128GP706A-E/MR, DSPIC33FJ256GP706A-E/MR) if code grows, without PCB rework.
This page synthesizes distributor pricing, drop-in family alternatives, design notes, and AEO-optimized FAQs not consolidated in the manufacturer datasheet.
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