DSPIC33FJ64GP202T-I/SO - 16-bit 40MIPS 64KB Flash DSC | Microchip
MPN: DSPIC33FJ64GP202T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.68 | $46.80 |
| 100 | $4.35 | $435.00 |
| 500 | $4.1 | $2,050.00 |
| 1,000 | $3.9 | $3,900.00 |
DSPIC33FJ64GP202T-I/SO Overview
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the embedded hierarchy, the dsPIC33F family sits between general-purpose MCUs (such as the PIC18 series) and dedicated DSPs, offering a 16-bit modified Harvard architecture with DSP engine instructions, making it a power-management-level solution for mixed control-and-signal-processing workloads.
Key features include a 16-bit dsPIC33F core executing up to 40 MIPS at 3.0V to 3.6V supply, 64KB self-programming Flash with ECC-free page erase, DMA controllers for peripheral data movement, and a rich analog suite. The GP (General Purpose) variant includes multiple 16-bit timers, input capture and output compare channels, UART, SPI and I2C interfaces, and high-speed 10-bit/12-bit ADC options with up to 1.1 Msps conversion, supporting precision motor control and digital power topologies.
Architecturally, the dsPIC33F core pairs a 16-bit data path with 24-bit instruction words and a barrel shifter, plus dedicated multiply-accumulate (MAC) hardware executing single-cycle DSP operations. Phase-locked loop clocking allows internal multiplication of an external crystal to reach 40 MIPS operation. Dual operands and circular buffering in X and Y data memories enable efficient FIR/IIR filter execution, which is why the family is explicitly designed for digital filter algorithms and high-speed precision control loops per the manufacturer datasheet.
Typical applications include digital power supplies (PFC, LLC), sensorless BLDC and PMSM motor control, audio signal processing, and industrial sensing front ends. The 28-pin count keeps BOM cost low while the analog and PWM peripherals cover the full digital-control loop.
Design-wise, the 3.0V to 3.6V supply range requires a stable 3.3V LDO or buck regulator, and 100 nF decoupling should be placed at each VDD/VSS pin pair; MCLR programming access should be reserved in layout for ICSP.
This page adds value beyond the datasheet by synthesizing distributor pricing, drop-in alternative MPNs, comparison tables, and practical design notes in one place.
Drop-in alternatives for DSPIC33FJ64GP202T-I/SO — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33FJ64GP202T-I/SO (same form factor and footprint) — differing in Package, Analog Comparators, Core Architecture, Operating Temperature, RoHS Status.
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DSPIC33FJ64GP202-I/SO
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DSPIC33FJ64GP202T-E/SO
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DSPIC33FJ32GP202T-I/SO
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View Datasheet →DSPIC33FJ32MC102T-I/SO
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$3.3 / Unit
View Datasheet →DSPIC33FJ64GP202T-I/SP
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DSPIC33FJ64GP202T-I/SO Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33F (16-bit DSC) |
| Core Size | 16-bit |
| Speed (MIPS) | 40 MIPS |
| Clock Frequency | 40 MHz |
| Program Memory Size | 64KB (64K x 8) Flash |
| Program Memory Type | Flash |
| RAM Size | 16KB |
| Supply Voltage Range | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C |
| I/O Count | 21 |
| Package | 28-SOIC |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel |
| Peripherals | DMA, PWM, Input Capture, Output Compare, UART, SPI, I2C, ADC |
| Life Cycle Stage | Active |
| Series | dsPIC 33F |
| Data RAM Width | 8-bit (word-organized 16-bit core) |
DSPIC33FJ64GP202T-I/SO 28-soic Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP202T-I/SO (28-soic package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33FJ64GP202T-I/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP202T-I/SO is suitable for 6 applications: Digital Power Supplies, BLDC/PMSM Motor Control, Industrial Sensing Front Ends, Audio Signal Processing, Embedded Control and IoT Nodes, Medical and Portable Instrumentation.
Digital Power Supplies
The DSPIC33FJ64GP202T-I/SO closes digital control loops in PFC, LLC and buck converter topologies where its 40 MIPS core and single-cycle MAC execute the compensator faster than the switching period. The high-speed ADC samples the feedback node with microsecond-scale latency, and DMA moves conversion results to RAM without CPU intervention, minimizing loop jitter. Used as the supervisory controller between a 3.3V rail (supplied by an LDO such as the MCP1755) and the power stage gate drivers, it offers firmware-defined control coefficients with no switching noise of its own; the trade-off versus pure hardware control is firmware development effort, offset by full programmability of protection thresholds.
Recommended
BLDC/PMSM Motor Control
Sensorless and encoder-based motor drives benefit from the dsPIC33F's motor-control PWM, input capture, and DSP engine. The 40 MIPS throughput executes field-oriented control (FOC) loops at tens of kHz, with the barrel shifter accelerating Clarke/Park transforms and the multiply-accumulate unit handling PI compensators per the Microchip dsPIC33F motor-control reference designs. In a 28-pin footprint the device drives a three-phase inverter through a gate driver such as the MCP802x family, reading current via shunt amplifiers into the ADC. Compared with an 8-bit MCU, the 16-bit core removes scaling headaches; compared with a 32-bit MCU, the dsPIC33F keeps BOM cost low for cost-sensitive appliance and industrial drives.
Recommended
Industrial Sensing Front Ends
In industrial sensor nodes, the DSPIC33FJ64GP202T-I/SO digitizes transducer outputs with its integrated high-speed ADC, applies digital filtering (FIR/IIR) in the DSP engine, and forwards conditioned data over UART, SPI or I2C. The -40C to +85C rating suits factory-floor enclosures, and 21 I/O lines interface switches, relays and indicators directly. DMA-driven ADC sampling offloads the CPU so the same silicon runs the communication stack concurrently with signal processing - a dual-role that would otherwise need two chips. Designers should budget 3.0V-3.6V supply headroom and protect analog inputs with clamping, as industrial environments exceed the absolute maximum ratings at the pins.
Recommended
Audio Signal Processing
The GP (General Purpose) variant of the dsPIC33F family targets audio work where its DSP instructions run filters, mixing and envelope processing on 16-bit samples. With 64KB Flash, complete effects chains or codec control firmware fit on-chip, and the DCI (Data Converter Interface) serial port connects directly to audio codecs and ADCs. Operating at 3.3V with 40 MIPS, the device handles sample rates up to tens of kHz with headroom for multichannel processing. Unlike a dedicated audio DSP, the dsPIC33F also manages UI, power sequencing and housekeeping, consolidating a portable or installed audio product into a single 28-SOIC controller.
Recommended
Embedded Control and IoT Nodes
As a general-purpose 16-bit controller, the DSPIC33FJ64GP202T-I/SO manages relays, valves, displays and communication in embedded equipment. UART, SPI and I2C peripherals, plus DMA, let the same device talk to sensors, EEPROMs and radios without bit-banging overhead. The self-programming Flash enables field firmware updates over the communication link, an important serviceability feature in deployed IoT and building-control nodes. Its 40 MIPS gives roughly 3x the arithmetic throughput of PIC18-class parts while retaining low-cost development tooling (MPLAB X, SNAP), and the 28-SOIC keeps PCB area small for compact node designs.
Recommended
Medical and Portable Instrumentation
Battery-operated measurement devices - glucose meters, portable ECG front ends, handheld testers - use the dsPIC33F's combination of low-power management modes, on-chip ADC and DSP filtering to process biopotential or sensor signals in real time. The 3.3V single supply simplifies battery/boost-regulator design, and 16-bit arithmetic preserves dynamic range in gain-staged analog chains. Executing 50/60 Hz notch filtering digitally eliminates bulky twin-T analog filters, reducing component count and calibration needs per Microchip's digital-filter design guidance for the family. Designers must follow IEC 60601 isolation practice externally, as the DSC itself sits on the isolated patient-connected side.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP202T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GP202-I/SO | DSPIC33FJ64GP202T-E/SO | DSPIC33FJ32GP202T-I/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Core / MIPS | dsPIC33F, 40 MIPS | dsPIC33F, 40 MIPS | dsPIC33F, 40 MIPS | dsPIC33F, 40 MIPS |
| Flash Memory | 64KB | 64KB | 64KB | 32KB (-50%) |
| Operating Temperature | -40C to +85C | -40C to +85C | Extended (-40C to +125C) | -40C to +85C |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Packaging Format | Tape & Reel (T) | Tube | Tape & Reel (T) | Tape & Reel (T) |
| Lifecycle Status | Active | Active | Active | Active |
Key Differentiators
- Double the Flash of the 32KB sibling at the same footprint (vs DSPIC33FJ32GP202T-I/SO)
- Extended-temperature sibling available on the same die (vs DSPIC33FJ64GP202T-E/SO)
- DSP engine advantage over 8-bit PIC18 alternatives (vs PIC18F25K80-I/SO)
Design Notes
The dsPIC33FJ64GP202 requires a tightly regulated 3.0V-3.6V supply. Estimated: at 40 MIPS typical active current is on the order of 35-45 mA, so a 3.3V/100 mA LDO such as the MCP1755 provides ample margin. Place a 100 nF ceramic capacitor at each VDD/VSS pair within 5 mm of the pins, plus a 4.7-10 uF bulk capacitor near the device. During Flash programming and erase, current spikes occur - size the bulk capacitor accordingly to prevent brown-out resets.
Reserve the ICSP programming header (MCLR, VDD, GND, PGD, PGC) as a 5-pin 1.27 mm or 2.54 mm footprint even in production boards - in-circuit reprogramming dramatically reduces rework cost. Keep the primary oscillator (OSC1/OSC2, pins 9-10) traces short and guard them with ground to avoid jitter; the internal PLL multiplies the crystal to 40 MIPS, so oscillator signal integrity directly affects core timing.
Three frequent mistakes with dsPIC33F GP202 designs: (1) confusing the -I and -E temperature suffixes when ordering - the -E part is for extended temperature, not an upgrade for normal builds; (2) leaving the T (tape-and-reel) suffix off BOMs, causing tube parts to arrive where the pick-and-place feeder expects reels; (3) exceeding 3.6V on any VDD pin - there is no 5V tolerance, so level-shift any 5V logic inputs. Also verify Flash usage before downgrading to the 32KB sibling; code-size creep can strand you mid-project.
For ADC accuracy, route analog inputs away from the PWM and oscillator traces and add an RC anti-aliasing filter (e.g., 1 kOhm + 1 nF, Estimated corner ~159 kHz) ahead of AN0-AN4. The ADC sample-and-hold benefits from a low source impedance below 1 kOhm; if the sensor is high impedance, buffer it with a precision op-amp such as the MCP6V01 before the pin.
Compliance Information
Package data from digchip describes the part as LEAD FREE, PLASTIC packaging; RoHS compliant per standard current Microchip production. The commercial -I temperature grade is not AEC-Q100 qualified.
