DSPIC33FJ32GP102-E/SS - 16-Bit 16 MIPS DSC 32KB Flash | Microchip
MPN: DSPIC33FJ32GP102-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.22 | $3.22 |
| 10 | $2.95 | $29.50 |
| 100 | $2.6 | $260.00 |
| 500 | $2.3 | $1,150.00 |
| 1,000 | $2.05 | $2,050.00 |
DSPIC33FJ32GP102-E/SS Overview
A digital signal controller combines the compute throughput of a digital signal processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). Within the power management hierarchy of embedded systems, the DSC sits between a general-purpose MCU and a dedicated DSP, and belongs to Microchip's dsPIC33FJ family of 16-bit flash-based controllers programmed through the MPLAB X IDE.
Key features include a 16-bit CPU core executing DSP-class instructions such as multiply-accumulate (MAC) for digital filter algorithms, remappable peripheral I/O (RPn pins) that lets designers route peripherals to any compatible pin, 5V-tolerant input pins rated to 20 mA sink current with selectable open-drain outputs and internal pull-ups, three external interrupt sources (two remappable), and in-circuit plus in-application programming (ICSP and IAP) with up to three complex data breakpoints and run-time watch.
Architecturally, the dsPIC33FJ32GP102 executes digital filter algorithms and high-speed precision digital control loops efficiently, which is exactly the workload profile Microchip designed the dsPIC33F series for. The flash-based program memory supports field upgrades, and the debug infrastructure (trace and run-time watch) shortens firmware bring-up when used with MPLAB Snap or compatible in-circuit debuggers.
Typical applications include digital power supplies and power conversion, sensor signal conditioning and digital filtering, motor-adjacent general-purpose control, and embedded systems that need DSP arithmetic without a separate DSP chip.
For design, note the strict 3.0 V to 3.6 V supply window; provide a regulated 3.3 V rail and place 0.1 uF decoupling close to each VDD pin.
This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ32GP102-E/SS — 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 DSPIC33FJ32GP102-E/SS (same form factor and footprint) — differing in Package, Operating Temperature, ADC, Program Memory (Flash), RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ32GP202-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32MC102-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ16GP102-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ16GP102-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.82 / Unit
View Datasheet →DSPIC33FJ16GP102T-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.95 / Unit
View Datasheet →DSPIC33FJ12MC202-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.62 / Unit
View Datasheet →DSPIC33FJ32GP102-E/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Maximum CPU Speed | 16 MIPS |
| Program Memory (FLASH) | 32 KB (11K x 24) |
| RAM | 2 KB |
| Operating Voltage | 3.0 V to 3.6 V (typical 3.3 V) |
| Package | 28-SSOP |
| Lead Pitch | 0.65 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (E grade) |
| External Interrupts | 3 (two remappable) |
| Remappable Peripheral Pins | RPn pins, any remappable peripheral |
| 5V Tolerant Pins | Yes, to 20 selectable open-drain and pull-ups |
| Programming | In-Circuit and In-Application Programming (ICSP/IAP) |
| Debug Features | Up to three complex data breakpoints, trace and run-time watch |
| Programming Interface | MPLAB Snap / MPLAB X IDE (ICSP) |
| RoHS Status | Lead free / RoHS Compliant |
| Lifecycle Status | In Production |
DSPIC33FJ32GP102-E/SS 28-ssop Pin Configuration Guide
Pin configuration for DSPIC33FJ32GP102-E/SS (28-ssop 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 DSPIC33FJ32GP102-E/SS.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32GP102-E/SS is suitable for 6 applications: Digital Power Supply Control, Digital Signal Filtering and Conditioning, Industrial Automation Nodes, Sensor Signal Acquisition Systems, Embedded Control with Field Upgradability, Portable and Battery-Connected Instrumentation.
Digital Power Supply Control
The DSPIC33FJ32GP102-E/SS fits digital power control because its dsPIC33F 16-bit core executes the multiply-accumulate (MAC) instructions that PID and digital filter loops demand, at up to 16 MIPS - fast enough for multi-kHz switching regulation loops. Microchip designed the dsPIC33F series specifically for high-speed precision digital control loops under pressure. In a typical implementation the controller samples output voltage and current via its ADC, computes the compensation algorithm in firmware, and drives PWM outputs through the remappable RPn pins, letting designers place PWM and feedback pins optimally on the PCB. The extended -40C to +125C operating range suits power supplies inside hot industrial enclosures. Because all control runs in flash firmware, loop tuning and protection schemes can be updated in the field via in-application programming.
Recommended
Digital Signal Filtering and Conditioning
The DSPIC33FJ32GP102-E/SS is well suited to real-time digital filtering of sensor signals. According to Microchip, dsPIC33F devices are designed to execute digital filter algorithms, with DSP-class MAC instructions operating on 16-bit data - precisely the workload of FIR and IIR filters for noise rejection on ADC streams. At 16 MIPS the GP102 sustains sample rates adequate for audio-band and many industrial sensing filters. The remappable RPn pin architecture allows the serial or parallel interfaces used to stream data in and out to be routed to whichever board location is most convenient, simplifying mixed-signal layout by keeping analog traces short. The 2 KB RAM provides working buffers for moderate filter lengths, and the three complex data breakpoints with run-time watch accelerate algorithm debugging inside MPLAB X.
Recommended
Industrial Automation Nodes
In factory automation, the DSPIC33FJ32GP102-E/SS serves as a compact control node where the extended -40C to +125C temperature rating tolerates panel and machinery environments that exceed the 85C limit of consumer-grade parts. The 16-bit 16 MIPS core handles protocol parsing, sequencing logic, and closed-loop control simultaneously, while remappable RPn pins let one board design place communication, interrupt, and I/O pins to match backplane or wiring-harness requirements without respinning the layout. Three external interrupt sources (two remappable) support reactive event handling from sensors or safety inputs, and 5V-tolerant inputs with selectable pull-ups simplify interfacing with legacy industrial logic levels through appropriate series protection. In-circuit programming allows field firmware updates through a maintenance connector using MPLAB Snap.
Recommended
Sensor Signal Acquisition Systems
For multi-sensor acquisition front ends, the DSPIC33FJ32GP102-E/SS combines an ADC front end, DSP filtering, and decision logic in one 3.3 V device. The 5V-tolerant input pins with selectable open-drain outputs and internal pull-ups ease integration with varied sensor output stages, while the remappable RPn pins allow the acquisition interface - whether serial or interrupt-driven - to be assigned where the PCB analog layout requires it, minimizing digital coupling into sensitive traces. Firmware-implemented calibration and linearization tables reside in the 32 KB FLASH, and the extended temperature range keeps acquisition accuracy specifications intact across outdoor and industrial environments. Since filtering executes on-chip via DSP MAC instructions at 16 MIPS, only processed results need to leave the chip, reducing communication bandwidth and system latency.
Recommended
Embedded Control with Field Upgradability
Products that require firmware updates after deployment benefit from the DSPIC33FJ32GP102-E/SS support for both in-circuit and in-application programming (ICSP and IAP). ICSP via MPLAB Snap allows factory or service programming through a small header, while IAP lets application firmware rewrite its own flash under controlled conditions - enabling feature updates, calibration refresh, or security patches without disassembly. The 32 KB FLASH provides room for a bootloader alongside application code, and the run-time watch and trace debug features of the dsPIC33FJ core help developers build robust update logic. The 3.0 V to 3.6 V supply window matches standard 3.3 V rails, so no exotic power tree is needed, and the 28-SSOP footprint keeps upgradeable products compact.
Recommended
Portable and Battery-Connected Instrumentation
Handheld instruments and battery-connected equipment benefit from the DSPIC33FJ32GP102-E/SS combination of a single 3.3 V rail (3.0 V to 3.6 V operation), compact 28-SSOP surface-mount body with 0.65 mm pitch, and integrated DSP capability for on-device signal analysis such as RMS computation, FFT pre-processing, or digital filtering of transducer inputs. Executing analysis locally at 16 MIPS reduces data transmission and lets the system sleep between measurement bursts, which matters for battery life. The remappable peripheral pins reduce external glue logic, shrinking board area, while the extended temperature option supports instruments left in vehicles or outdoor cases. Debugging with trace and run-time watch via MPLAB X shortens firmware development cycles for feature-rich instrument interfaces.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32GP102-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32GP202-E/SS | DSPIC33FJ32MC102-E/SS | DSPIC33FJ16GP102-E/SS | DSPIC33FJ12MC202-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS |
| FLASH Program Memory | 32 KB (11K x 24) | 32 KB (11K x 24) | 32 KB (11K x 24) | 16 KB (5.5K x 24) | 12 KB |
| Operating 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 |
| Temperature Range | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| Peripheral Family | General Purpose (GP) | General Purpose (GP) | Motor Control (MC) | General Purpose (GP) | Motor Control (MC) |
| RoHS / Lead Free | Compliant / Yes | Compliant / Yes | Compliant / Yes | Compliant / Yes | Compliant / Yes |
Key Differentiators
- Maximum FLASH in the 28-SSOP GP sub-family (vs DSPIC33FJ16GP102-E/SS)
- Extended temperature grade in a drop-in footprint (vs DSPIC33FJ12MC202-I/SS)
- General-purpose peripheral set vs motor-control oriented set (vs DSPIC33FJ32MC102-E/SS)
Design Notes
The DSPIC33FJ32GP102-E/SS operates strictly from 3.0 V to 3.6 V per distributor and datasheet data. Regulate the supply with a 3.3 V LDO or buck and place a 0.1 uF ceramic decoupling capacitor at each VDD pin within a few millimeters of the package, plus bulk capacitance near the regulator. Do not feed 5 V directly to any supply pin. While many I/O pins are specified 5V tolerant (per the family datasheet: 5V tolerant pins with selectable open-drain and pull-ups), verify the tolerance table per pin before interfacing directly with 5 V logic.
The 28-SSOP package has a 0.65 mm lead pitch, which is fine-pitch but hand-solderable with care. Design the land pattern per the manufacturer datasheet footprint; avoid routing traces between leads unless necessary, and use solder mask defined pads if wave or selective soldering is planned. Keep the oscillator circuit (crystal and load capacitors) close to the OSC1/OSC2 pins with a guard ground. Reserve an ICSP programming header (typically 5 pins: MCLR, VDD, GND, PGD, PGC) routed to remappable RPn pins so MPLAB Snap can program and debug in-circuit.
Remappable RPn pins are the most common source of bring-up failures on dsPIC33FJ devices: a peripheral assigned to the wrong RPn pin silently produces no signal. Cross-check every peripheral-to-pin assignment against the remappable pin tables in the family datasheet (document 70000652f) before committing the PCB. Also note that PWM fault pins are enabled and asserted during any Reset event per the datasheet, which can momentarily drive outputs in safety-relevant designs. Finally, remember the datasheet 70000652f is a summary document; consult the dsPIC33F Family Reference Manual for register-level programming detail.
Compliance Information
Listed as Lead free / RoHS Compliant in distributor data (Components-Store). REACH, halogen-free, and conflict-minerals declarations not found in reviewed sources; obtain from Microchip compliance portal if required.
