DSPIC33FJ64GP202T-I/MM - 16-bit 40 MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33FJ64GP202T-I/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.92 | $49.20 |
| 25 | $4.74 | $118.50 |
| 100 | $4.42 | $442.00 |
| 1,000 | $3.96 | $3,960.00 |
DSPIC33FJ64GP202T-I/MM Overview
A digital signal controller combines the deterministic interrupt handling and peripheral set of a microcontroller with the mathematical capability of a DSP engine. Within the power management hierarchy, DSCs sit between general-purpose MCUs and dedicated DSPs, making them the preferred choice for closed-loop control where both fast multiply-accumulate operations and rich I/O are needed in a single chip.
Key features include the 16-bit modified Harvard architecture executing at up to 40 MIPS, a single-cycle MAC plus 40-bit barrel shifter for digital filter algorithms, 8-channel 10-bit ADC capable of 500 ksps, two 3.3V-tolerant UART/SPI/I2C-class serial modules, and flexible output-compare/PWM resources suited to motor and power conversion control. Supply voltage spans 3.0V to 3.6V (3.3V nominal).
Architecturally, the dsPIC33F family pairs a 16-bit CPU core with DSP instructions (MPY, MAC, ED), 8 DMA-style data transfer support across the family, and 7 general-purpose timers. In-circuit serial programming (ICSP) and boundary-scan JTAG simplify production flashing and test.
Typical applications include sensorless BLDC and PMSM motor control, digital power supplies (PFC, LLC), audio and sensor signal processing, and general precision control loops in industrial equipment - all areas where the dsPIC33F family was explicitly designed to execute digital filter algorithms and high-speed precision digital control loops.
Design consideration: the -I grade is rated -40C to +85C; for -40C to +125C environments select the -E temperature suffix variant, which is drop-in on the same footprint.
This page synthesizes distributor pricing, drop-in alternatives, pinout, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ64GP202T-I/MM — 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/MM (same form factor and footprint) — differing in Core Architecture, Timers, Package, ADC, Flash Program Memory.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GP202T-E/MM
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GP202-I/MM
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ128GP202T-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GP202T-I/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.19 / Unit
View Datasheet →DSPIC33FJ32MC202T-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP202T-I/MM Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC (modified Harvard) |
| Maximum Clock / MIPS | 40 MHz instruction rate, 40 MIPS |
| Flash Program Memory | 64 KB (64K x 8) |
| Supply Voltage Range | 3.0 V to 3.6 V (3.3 V nominal) |
| Operating Temperature Grade | -40C to +85C (I grade) |
| Package | 28-QFN-S (6x6 mm), exposed pad |
| Mounting Type | Surface Mount |
| ADC Resolution | 10-bit |
| Timers | 7 (per family datasheet) |
| Technology | CMOS |
| Special Function | Barrel shifter, DSP MAC, boundary scan (JTAG) |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| Packaging | Tape & Reel (T suffix) |
DSPIC33FJ64GP202T-I/MM Pin Configuration
| Pin 1 | MCLR — Master clear reset (external reset input, programming voltage) |
| Pin 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / ADC positive reference / change notification / port B |
| Pin 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / ADC negative reference / change notification / port B |
| Pin 4 | PGD/EMUD1/AN2/SS1/CN4/RB2 — ICSP data / emulation / analog input 2 / SPI slave select / port B |
| Pin 5 | PGC/EMUC1/AN3/INDX/CN5/RB3 — ICSP clock / emulation / analog input 3 / encoder index / port B |
| Pin 6 | VSS — Ground reference |
| Pin 7 | OSC1/CLKI/RC12 — Oscillator input / external clock input |
| Pin 8 | OSC2/CLKO/RC15 — Oscillator output / clock output |
| Pin 9 | AN4/CN1/RB4 — Analog input 4 / change notification / port B |
| Pin 10 | AN5/PGD/CN11/RB5 — Analog input 5 / alternate ICSP data / port B |
| Pin 11 | AN6/PGC/CN12/RB6 — Analog input 6 / alternate ICSP clock / port B |
| Pin 12 | AN7/CN13/RB7 — Analog input 7 / change notification / port B |
| Pin 13 | VDD — Power supply (3.0 V to 3.6 V) |
| Pin 14 | AN8/RP15/CN14/RB8 — Analog input 8 / remappable peripheral pin / port B |
| Pin 15 | AN9/RP16/CN15/RB9 — Analog input 9 / remappable peripheral pin / port B |
| Pin 16 | TMS — JTAG test mode select |
| Pin 17 | TCK — JTAG test clock |
| Pin 18 | TDI — JTAG test data input |
| Pin 19 | EMUD3/SOSCO/T1CK/CN0/RC13 — Emulation / secondary oscillator output / Timer1 clock / port C |
| Pin 20 | EMUC3/SOSCI/CN1/RC14 — Emulation / secondary oscillator input / change notification / port C |
| Pin 21 | VSS — Ground reference |
| Pin 22 | TDO — JTAG test data output |
| Pin 23 | VCAP/VDDCORE — Internal core regulator capacitor connection |
| Pin 24 | VDD — Power supply (3.0 V to 3.6 V) |
| Pin 25 | AN10/RP10/CN16/RB10 — Analog input 10 / remappable peripheral pin / port B |
| Pin 26 | AN11/RP11/CN17/RB11 — Analog input 11 / remappable peripheral pin / port B |
| Pin 27 | VSS — Ground reference |
| Pin 28 | AN12/RP12/CN18/RB12 — Analog input 12 / remappable peripheral pin / port B |
Typical Applications
DSPIC33FJ64GP202T-I/MM is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion (PFC / LLC), Audio and Sensor Signal Processing, Industrial Automation and Control Panels, Digital Filter and Precision Control Loops, Portable and Battery-Powered Instrumentation.
BLDC / PMSM Motor Control
The DSPIC33FJ64GP202T-I/MM fits sensorless and sensored motor control because its 40 MIPS 16-bit core executes field-oriented control loops at PWM frequencies well above audibility, while the hardware DSP MAC accelerates Park and Clarke transformations and PI current-loop arithmetic. Output-compare modules generate complementary or independent PWM channels, and the 10-bit ADC samples phase currents synchronized to the PWM period for low-noise current sensing. In a typical topology, the DSC drives a three-phase gate-driver stage, sampling two shunt currents each cycle and updating duty within one PWM period, achieving current-loop bandwidths in the kilohertz range. The -I temperature grade covers industrial ambient conditions up to +85C.
Recommended
Digital Power Conversion (PFC / LLC)
Digital switch-mode power supplies benefit from the DSPIC33FJ64GP202T-I/MM because control-law execution latency is deterministic: the 40 MIPS core plus DSP instructions computes compensator updates within microseconds, enabling voltage-mode or current-mode loops on PFC and LLC stages. The 10-bit ADC with multiple simultaneous samples supports input-voltage feedforward and output-voltage regulation, while PWM modules provide phase-shifted or complementary drive with programmable dead time. Firmware-based control allows nonlinear compensation, soft-start, burst mode, and protection state machines - burst/overcurrent/overvoltage - to be implemented without analog redesign. The 3.0-3.6V supply and small 6x6 mm QFN keep the controller compact inside power-supply footprints.
Recommended
Audio and Sensor Signal Processing
As a GP-family dsPIC, the DSPIC33FJ64GP202T-I/MM suits embedded audio processing - echo cancellation, filtering, AGC - and sensor conditioning chains. Its single-cycle MAC and 40-bit accumulator implement FIR and IIR filters without overflow concerns, and the 64KB Flash holds coefficient tables and multiple filter profiles. The 10-bit ADC with up to 500 ksps class throughput digitizes microphones, accelerometers, and analog sensors, while the UART/SPI/I2C interfaces stream processed data to hosts or codecs. Running digital filter algorithms is the stated design intent of the dsPIC33F family per Microchip, making this part a natural single-chip solution where an MCU plus external DSP previously occupied two devices and a board interconnect.
Recommended
Industrial Automation and Control Panels
In industrial automation nodes, the DSPIC33FJ64GP202T-I/MM acts as a compact control and communication engine: remappable RPx pins let one firmware support multiple panel variants, UARTs bridge to RS-485/Modbus transceivers, and timers coordinate sequencing tasks. The 64KB Flash typically accommodates a bootloader plus Modbus stack plus application logic with headroom for field updates, and ICSP allows in-board reprogramming during production and service. The -40C to +85C rating matches unconditioned control-cabinet environments, and the exposed-pad QFN improves thermal margin and ground integrity for noisy factory-floor EMI conditions. Boundary-scan JTAG further supports ICT-based production test.
Recommended
Digital Filter and Precision Control Loops
Microchip explicitly designed the dsPIC33F series to execute digital filter algorithms and high-speed precision digital control loops, and the DSPIC33FJ64GP202T-I/MM embodies this: the modified Harvard core fetches instructions and data simultaneously, the DSP engine performs single-cycle multiply-accumulate with dual operand fetch, and the barrel shifter handles fixed-point scaling in one cycle. Typical uses include notch and bandpass filtering in instrumentation, PID plus feedforward loops in process control, and vibration analysis preprocessing. The 64KB Flash retains multiple filter configurations, and deterministic 40 MIPS execution simplifies worst-case latency analysis - critical when loop stability, not average throughput, determines system performance.
Recommended
Portable and Battery-Powered Instrumentation
Handheld meters, dataloggers, and portable test tools use the DSPIC33FJ64GP202T-I/MM where a 3.3V single-supply 16-bit controller with DSP capability minimizes component count. The 6x6 mm QFN saves board area in ergonomic enclosures, and the 3.0-3.6V supply range allows direct operation from a regulated Li-ion or 3-AA rail. Sleep and idle modes reduce average current in duty-cycled logging applications, while the 40 MIPS peak performance handles burst FFT or calibration math quickly, letting the device return to low-power states sooner. Remappable pins allow one PCB to serve multiple product SKUs by changing only firmware - a significant benefit for portable product families.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP202T-I/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GP202T-E/MM | DSPIC33FJ64GP202-I/MM | DSPIC33FJ128GP202T-I/MM | DSPIC33FJ32GP202T-I/MM | DSPIC33FJ32MC202T-I/MM |
|---|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 64 KB | 64 KB | 128 KB | 32 KB | 32 KB |
| Performance (MIPS) | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| 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 | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Family / Peripheral Focus | GP (General Purpose + audio) | GP - identical die | GP - identical die | GP | GP | MC (Motor Control) |
| Packaging | Tape & Reel (T suffix) | Tape & Reel | Tube / Tray (no T) | Tape & Reel | Tape & Reel | Tape & Reel |
| Pin-to-Pin Compatibility | Reference (28-QFN-S MM) | 100% pin-to-pin | 100% pin-to-pin | 100% pin-to-pin | 100% pin-to-pin | 100% pin-to-pin |
Key Differentiators
- Extended temperature option on identical die (vs DSPIC33FJ64GP202T-E/MM)
- Memory scalability without redesign (vs DSPIC33FJ128GP202T-I/MM / DSPIC33FJ32GP202T-I/MM)
- 40 MIPS with hardware DSP MAC in a 28-pin QFN (vs DSPIC33FJ32MC202T-I/MM)
Design Notes
The MM package is a 28-QFN-S with exposed pad. Solder the exposed pad to a grounded copper pour with an array of thermal vias (0.3 mm drill, filled or plugged) - this is not optional for thermal performance and also provides the low-inductance ground return the dsPIC33F core regulator expects. Place the VCAP capacitor (per datasheet value, typically 10uF class electrolytic/ceramic on VDDCORE) as close as possible to pin 23; this stabilizes the internal 2.5V-class core regulator and is a known field-failure point if omitted or placed far away.
Decouple both VDD pins (13 and 24) with individual 0.1uF X7R ceramics placed within 2 mm of each pin, plus one bulk 4.7-10uF capacitor near the package. Keep VDD between 3.0V and 3.6V at all times including brownout transients; configure the internal Brown-Out Reset (BOR) so the device does not execute corrupted code during supply dips. On analog rails, add an RC or ferrite filter feeding VDD if the 10-bit ADC is used for precision measurements, since switching noise on VDD directly degrades ADC effective resolution.
Two frequent mistakes with this part: (1) analog pins default to analog mode after reset - if Port B inputs read as 0 regardless of pin state, the ANSEL/AD1PCFGL registers have not been set to digital; (2) Peripheral Pin Select (PPS) must be explicitly configured before UART/SPI/other remappable peripherals function, and locking PPS writes (or unlocking on some family members) trips up first-time users. Also verify MCLR is pulled up (4.7-10k) and never left floating, and that ICSP pins (PGD/PGC on pins 4/5) are not loaded heavily, or in-circuit programming will fail.
Keep the crystal or external clock traces short and guard the OSC1/OSC2 pins (7/8) with ground. For motor-control or digital-power layouts, route PWM outputs away from ADC input traces and place current-sense shunt filtering (typically a 100-ohm series R plus 1nF C) at the ADC pin to reject switching transients. Synchronize ADC sampling to the PWM period using the ADC trigger from the output-compare/timer module to sample at the PWM center, where current ripple is minimal - this single technique typically improves measurement noise by several LSBs.
Compliance Information
RoHS and lead-free status not stated verbatim in the provided verified data; Microchip standard production for this family is typically lead-free, but confirm via the Microchip product page material declaration before compliance-sensitive purchases.
