DSPIC33FJ64MC202-E/SP - 16-bit DSC 64KB Flash 40MIPS | Microchip
MPN: DSPIC33FJ64MC202-E/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.89 | $5.89 |
| 10 | $5.45 | $54.50 |
| 100 | $5.05 | $505.00 |
| 500 | $4.68 | $2,340.00 |
| 1,000 | $4.35 | $4,350.00 |
DSPIC33FJ64MC202-E/SP 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. In the product hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP: it executes high-speed, repetitive multiply-accumulate loops for control mathematics while integrating motor-control PWM, high-speed ADC, and DMA peripherals on one chip. The dsPIC33F family from Microchip Technology is pin compatible with the PIC24HJ family, giving designers a migration path between general-purpose and DSP-centric pinouts.
Key features of the DSPIC33FJ64MC202-E/SP include the 16-bit modified Harvard dsPIC core clocked at up to 40 MIPS, 64KB Flash program memory with self-programming capability, motor-control PWM modules targeted at three-phase and BLDC drives, a direct memory access (DMA) controller that offloads ADC and UART data transfers from the CPU, and advanced analog peripherals for current and voltage sensing. The -E extended temperature grade (-40C to +125C) supports industrial and automotive-adjacent environments.
Technically, the 16-bit RISC architecture uses two 40-bit accumulators and hardware DSP multiply-accumulate instructions, enabling single-cycle MAC operations for FOC (field-oriented control), PID loops, and digital filtering. The wide 28-pin SPDIP package suits breadboarding, prototyping, education, and legacy through-hole production where hand soldering and socketing matter.
Typical applications include brushless DC and permanent-magnet motor control, digital power supplies and PFC stages, sensor signal conditioning with on-chip filtering, and industrial instrumentation requiring deterministic 40 MIPS control loops.
Design consideration: the dsPIC33F core requires a VCAP/VDDCORE capacitor on the internal regulator output pin, and the supply must remain within 3.0V-3.6V; the on-board regulator simplifies 3.3V rail design but this capacitor must never be omitted.
This page synthesizes distributor pricing, drop-in family alternatives, pinout detail, and practical design notes not consolidated in the manufacturer datasheet. Pricing references LCSC data as of 2026-09-27 (from $5.8868, in stock).
Drop-in alternatives for DSPIC33FJ64MC202-E/SP — 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 DSPIC33FJ64MC202-E/SP (same form factor and footprint) — differing in Operating Temperature, Package, Mounting Type, Core Architecture, I/O Ports.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64MC202-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.13 / Unit
View Datasheet →DSPIC33FJ32MC202-E/SP
✅ Drop-In✓ In Stock
$3.6 / Unit
View Datasheet →DSPIC33FJ32MC202-I/SP
✅ Drop-In✓ In Stock
$3.25 / Unit
View Datasheet →DSPIC33FJ32MC202-E/SO
✅ Drop-In✓ In Stock
$3.55 / Unit
View Datasheet →PIC24HJ64GP202-E/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64MC202-E/SP Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33F 16-bit |
| Max Clock Speed | 40 MIPS |
| Program Memory Size | 64KB (64K x 8) Flash |
| Program Memory Type | Flash |
| Supply Voltage Range | 3 V to 3.6 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 28-SPDIP |
| Mounting Type | Through Hole |
| DMA | Yes (Motor DMA per Mouser listing) |
| Motor Control PWM | Yes |
| Core Architecture | 16-bit RISC with DSP engine |
| Pin Compatibility | Pin compatible with PIC24HJ family |
| Packaging | Tube |
| Product Status | Active |
| Series | dsPIC 33F |
DSPIC33FJ64MC202-E/SP Pin Configuration
| Pin 1 | MCLR — Master clear reset (active low), programming voltage input |
| Pin 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive ADC reference / port B0 |
| Pin 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative ADC reference / port B1 |
| Pin 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select / port B2 |
| Pin 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index input / port B3 |
| Pin 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A / capture 7 / port B4 |
| Pin 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / QEI phase B / capture 8 / port B5 |
| Pin 8 | VSS — Digital ground |
| Pin 9 | OSC1/CLKI/CN12/RA2 — Oscillator crystal input / external clock input |
| Pin 10 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output |
| Pin 11 | VCAP/VDDCORE — Internal core regulator output - mandatory filter capacitor to VSS |
| Pin 12 | VDD — Digital supply, 3.0 V to 3.6 V |
| Pin 13 | PGD/EMUD/RB6 — In-circuit programming data / port B6 |
| Pin 14 | PGC/EMUC/RB7 — In-circuit programming clock / port B7 |
| Pin 15 | RP0/CN14/RB15 — Remappable peripheral pin 0 / port B15 |
| Pin 16 | RP1/CN13/RB14 — Remappable peripheral pin 1 / port B14 |
| Pin 17 | RP2/CN12/RB13 — Remappable peripheral pin 2 / port B13 |
| Pin 18 | RP3/CN11/RB12 — Remappable peripheral pin 3 / port B12 |
| Pin 19 | RP4/CN10/RB11 — Remappable peripheral pin 4 / port B11 |
| Pin 20 | RP5/CN9/RB10 — Remappable peripheral pin 5 / port B10 |
| Pin 21 | RP6/CN8/RB9 — Remappable peripheral pin 6 / port B9 |
| Pin 22 | RP7/CN21/RB8 — Remappable peripheral pin 7 / port B8 |
| Pin 23 | VSS — Digital ground |
| Pin 24 | VDD — Digital supply, 3.0 V to 3.6 V |
| Pin 25 | RP8/RF3 — Remappable peripheral pin 8 / port F3 |
| Pin 26 | RP9/RF2 — Remappable peripheral pin 9 / port F2 |
| Pin 27 | AVSS — Analog ground for ADC |
| Pin 28 | AVDD — Analog supply for ADC, 3.0 V to 3.6 V |
Typical Applications
DSPIC33FJ64MC202-E/SP is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Supplies and PFC, Sensor Signal Conditioning and Filtering, Industrial Automation and Control Nodes, Audio and Signal Processing Prototyping, Embedded Systems Education and Prototyping.
BLDC / PMSM Motor Control
The DSPIC33FJ64MC202-E/SP fits brushless DC and permanent-magnet synchronous motor drives because Mouser lists it with Motor DMA support and the family datasheet is subtitled 'with Motor Control PWM and Advanced Analog'. At 40 MIPS, the 16-bit DSP engine executes field-oriented control with single-cycle multiply-accumulate operations, closing current loops at 10-20 kHz PWM frequencies with margin. The motor-control PWM module provides complementary outputs with programmable dead time, while DMA transfers ADC current-sense samples to RAM without CPU intervention, keeping ISR overhead low. In through-hole prototyping stages, the 28-SPDIP package lets engineers iterate gate-driver connections and current-sense front ends on breadboards or socketed boards before committing to an SMD production layout.
Recommended
Digital Power Supplies and PFC
Digital switch-mode power supplies and power-factor-correction stages need deterministic, high-rate control loops, which is exactly the profile of the DSPIC33FJ64MC202-E/SP: 40 MIPS throughput, hardware DSP MAC instructions for PI and resonant compensators, and motor-control PWM usable as phase-shifted or complementary outputs with dead-time control. The DMA engine streams fast ADC samples of input/output voltage and inductor current into buffers without stealing CPU cycles, enabling 100 kHz-plus control rates. The 3.0-3.6V supply and the extended -40C to +125C E-grade temperature rating suit industrial power environments. The 28-SPDIP through-hole package is particularly useful during development, allowing quick controller swaps on socketed prototype power boards while control firmware is tuned.
Recommended
Sensor Signal Conditioning and Filtering
The DSPIC33FJ64MC202-E/SP works well as an intelligent sensor front end because its 16-bit DSP core implements IIR/FIR filters, RMS computation, and threshold logic directly on-chip, replacing an external analog conditioning chain plus a separate MCU. The DMA controller moves ADC conversion results into memory continuously, so the CPU wakes only to process data blocks, cutting quiescent activity in battery-adjacent instrumentation. With operation from 3V to 3.6V and the extended -40C to +125C E temperature grade, the controller survives harsh industrial sensing points such as motor housings and pump enclosures. The 28-SPDIP package simplifies integration into retrofitted through-hole sensor boards and educational instrumentation platforms where hand rework is expected.
Recommended
Industrial Automation and Control Nodes
Factory automation nodes require both communication and real-time control, and the DSPIC33FJ64MC202-E/SP delivers both: remappable peripheral (RP) pins let designers place UART, SPI, or I2C interfaces on the most convenient physical pins of the 28-pin footprint, while the 40 MIPS core runs deterministic control and protocol tasks. The DMA controller offloads serial transfers, sustaining Modbus or proprietary RS-485 traffic concurrently with PWM generation. The extended -40C to +125C rating covers unventilated control cabinets, and the through-hole 28-SPDIP package supports serviceable, socketed controller modules that maintenance technicians can replace without hot-air tools - a common requirement in legacy industrial equipment and training rigs.
Recommended
Audio and Signal Processing Prototyping
With its dual 40-bit accumulators and single-cycle MAC instructions, the DSPIC33FJ64MC202-E/SP can execute real-time audio effects, tone generation, and basic FFT-based analysis in embedded prototypes. Running at 40 MIPS, the core sustains sample rates typical of voice-band processing while the DMA keeps codec data flowing through SPI or UART interfaces without CPU intervention. For education and lab work, the 28-SPDIP through-hole package is decisive: students and engineers can insert the DSC into a breadboard alongside op-amps, codecs, and connectors, rewire experiments in minutes, and recover the chip for reuse. The 64KB Flash provides ample room for algorithm plus USB-serial debug scaffolding during coursework and proof-of-concept builds.
Recommended
Embedded Systems Education and Prototyping
The DSPIC33FJ64MC202-E/SP is an excellent teaching and prototyping DSC because the 28-SPDIP package fits zero-insertion-force sockets, breadboards, and wire-wrap boards, eliminating hot-air rework for students and labs. It exposes the complete modern embedded feature set - 16-bit pipelined RISC core, DSP instructions, DMA, motor-control PWM, and remappable pins - at 40 MIPS, so a single chip covers coursework from blinking LEDs to field-oriented motor control. The industry-standard MPLAB X IDE and XC16 compiler are free to download, and low-cost PICkit programmers use the standard PGD/PGC pins. Distributor availability (DigiKey, Mouser, LCSC, from $5.8868 as of 2026-09-27) keeps per-student cost low.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64MC202-E/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64MC202-I/SP | DSPIC33FJ32MC202-E/SP | DSPIC33FJ32MC202-I/SP | PIC24HJ64GP202-E/SP |
|---|---|---|---|---|---|
| Package | 28-SPDIP | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 32 KB | 32 KB | 64 KB |
| Max Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Core / Family | dsPIC33F DSC (16-bit) | dsPIC33F DSC | dsPIC33F DSC | dsPIC33F DSC | PIC24HJ MCU (16-bit) |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
Key Differentiators
- Extended -40C to +125C temperature grade in DIP package (vs DSPIC33FJ64MC202-I/SP)
- Full 64KB Flash for feature-rich DSP firmware (vs DSPIC33FJ32MC202-E/SP)
- Dedicated DSC (DSP engine + motor PWM) rather than general MCU (vs PIC24HJ64GP202-E/SP)
Design Notes
The dsPIC33F core is fed by an internal regulator whose output appears on the VCAP/VDDCORE pin. A low-ESR tantalum or ceramic capacitor of the value specified in the manufacturer datasheet (typically on the order of 10 uF with a specific ESR window) MUST be connected from this pin to VSS - omission or wrong ESR causes brown-outs and erratic resets. Supply both VDD pins (pins 12, 24) from the same 3.0-3.6V rail with 0.1 uF ceramic decoupling at each pin, and keep AVDD (pin 28) fed through an RC filter (e.g. ferrite bead plus 1 uF plus 0.1 uF) for best ADC accuracy.
On through-hole boards, keep the crystal (if used on OSC1/OSC2, pins 9-10) within 1-2 cm of the pins with ground return traces directly under it, and place its load capacitors' ground connection at pin 8 VSS. Route PGD (pin 13) and PGC (pin 14) to an accessible 5-pin ICSP header (MCLR, VDD, GND, PGD, PGC) so in-circuit programming never requires socketing the device. Keep analog sense routing to AN0-AN5 (pins 2-7) away from PWM outputs to prevent switching noise coupling into ADC readings.
Do not exceed 3.6V on any VDD or I/O pin - dsPIC33F parts are not 5V tolerant. When substituting the -I grade part (max +85C) for this -E grade part (max +125C), re-verify your worst-case enclosure temperature; a sealed motor-drive chassis can exceed 85C ambient even in 'industrial' settings. Also confirm firmware fits the smaller Flash when dropping to the 32KB DSPIC33FJ32MC202 variants, and check linker-generated memory usage, not source file size estimates.
Compliance Information
Octopart comparison data lists the dsPIC33F family under 'Automotive, AEC-Q100' series tagging for related variants, but explicit RoHS/REACH/lead-free statements for DSPIC33FJ64MC202-E/SP were not found in the provided data. The E suffix denotes extended temperature grade, not a compliance standard. Consult the Microchip product page environmental datasheet for certification details.
