DSPIC33FJ32GP104T-I/PT - 16-Bit 16MIPS DSC 32KB Flash | Microchip
Référence : DSPIC33FJ32GP104T-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.62 | $5,62 |
| 10 | $5.06 | $50,60 |
| 100 | $4.52 | $452,00 |
| 500 | $4.1 | $2 050,00 |
| 1 000 | $3.71 | $3 710,00 |
DSPIC33FJ32GP104T-I/PT Présentation
A digital signal controller combines the deterministic interrupt behavior and peripherals of a microcontroller with the multiply-accumulate (MAC) DSP engine of a digital signal processor. In the embedded hierarchy, the dsPIC33FJ sits between general-purpose MCUs and dedicated DSPs, making it a single-chip choice for systems that need both real-time control loops and signal-processing math such as digital filtering or FFT analysis.
Key features of this device include the 16-bit dsPIC33F core executing up to 16 MIPS at 3.3V, 32KB Flash with self-programming capability, 2KB SRAM, and a rich analog and digital peripheral set. Communications options per the verified data include I2C, SPI, UART/USART, IrDA and LINbus, enabling connectivity to sensors, displays and industrial networks. Peripheral Pin Select (PPS) remapping, noted in the family datasheet for the RPn pins, allows digital peripherals to be routed flexibly to I/O pins, which dramatically simplifies PCB layout and board revisions.
Technically, the core pairs a 16-bit MCU pipeline with a DSP engine supporting single-cycle MAC and 40-bit accumulators, while the CMOS process keeps active power low; low-power modes further reduce consumption in battery-operated designs. The internal flexible bus architecture, reported by distributor data, supports efficient peripheral-to-memory transfers.
Typical applications include industrial control and automation nodes, sensor signal conditioning and digital filtering, and embedded communication bridges using UART, SPI or I2C. The 44-TQFP package provides enough I/O for mid-complexity boards without the cost of larger footprints.
Design-wise, connect the metal pad under the device to VSS as recommended in the Microchip datasheet, and budget Flash carefully: 32KB suffices for control-plus-filtering firmware but not for large protocol stacks.
This page synthesizes distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternatives de remplacement direct pour DSPIC33FJ32GP104T-I/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec DSPIC33FJ32GP104T-I/PT (même facteur de forme et même empreinte) — différant par Core Architecture, Operating Temperature, Package.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33FJ32GP104-I/PT
✅ Remplacement direct✓ En stock
$3.98 / unité
Voir la fiche technique →DSPIC33FJ32GP104T-E/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33FJ16GP104-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33FJ64GP104-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33FJ32MC104-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33FJ32GP104T-I/PT Valeurs maximales et caractéristiques électriques
| Core Architecture | 16-bit dsPIC33F modified Harvard RISC |
| Max CPU Speed | 16 MIPS |
| Program Memory Size | 32 KB (11K x 24) Flash |
| RAM Size | 2 KB |
| Boîtier | 44-TQFP (10x10 mm), 0.8 mm pitch |
| Température de fonctionnement | -40C to +85C (Industrial, I suffix) |
| Type de montage | Surface Mount |
| Communication Interfaces | I2C, SPI, UART/USART, IrDA, LINbus |
| Peripheral Pin Select (PPS) | Yes (RPn pins remappable per datasheet) |
| DSP Engine | Single-cycle MAC, DSP-class DSC |
| Packaging Suffix | T (Tape and Reel) |
| Qualification (E-variant) | AEC-Q100 (DSPIC33FJ32GP104T-E/PT variant) |
| Process Technology | CMOS |
| Low-Power Modes | Yes (per Microchip USA product data) |
| Debugger Support | MPLAB Snap / MPLAB X IDE (PICkit-class in-circuit debug) |
Configuration des broches de DSPIC33FJ32GP104T-I/PT
| Broche 1 | MCLR — Master clear reset / programming voltage input |
| Broche 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive voltage reference / change notification / port B |
| Broche 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative voltage reference / change notification / port B |
| Broche 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 / port B |
| Broche 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index input / port B |
| Broche 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A / input capture 7 / port B |
| Broche 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / QEI phase B / input capture 8 / port B |
| Broche 8 | VSS — Ground reference |
| Broche 9 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Broche 10 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output / port C |
| Broche 11 | VDD — Power supply |
| Broche 12 | VDD — Power supply |
| Broche 13 | PGD/EMUD1/SOSCI/T2CK/U1ATX/CN1/RC13 — Programming data / emulation / secondary oscillator input / timer2 clock / UART1 alt TX / port C |
| Broche 14 | PGC/EMUC1/SOSCO/T1CK/U1ARX/CN0/RC14 — Programming clock / emulation / secondary oscillator output / timer1 clock / UART1 alt RX / port C |
| Broche 15 | VSS — Ground reference |
| Broche 16 | VDD — Power supply |
| Broche 17 | RF2/SDI1/SDA — Port F / SPI1 data in / I2C data |
| Broche 18 | RF3/SDO1/SCL — Port F / SPI1 data out / I2C clock |
| Broche 19 | RF4/U1RX — Port F / UART1 receive |
| Broche 20 | RF5/U1TX — Port F / UART1 transmit |
| Broche 21 | VSS — Ground reference |
| Broche 22 | RF6/SCK1 — Port F / SPI1 clock |
| Broche 23 | RF7 — General purpose port F I/O |
| Broche 24 | RB6 — General purpose port B I/O |
| Broche 25 | RB7 — General purpose port B I/O |
| Broche 26 | VDD — Power supply |
| Broche 27 | AN8/RB8 — Analog input 8 / port B |
| Broche 28 | AN9/RB9 — Analog input 9 / port B |
| Broche 29 | AN10/RB10 — Analog input 10 / port B |
| Broche 30 | AN11/RB11 — Analog input 11 / port B |
| Broche 31 | AN12/RB12 — Analog input 12 / port B |
| Broche 32 | AN13/RB13 — Analog input 13 / port B |
| Broche 33 | AN14/RB14 — Analog input 14 / port B |
| Broche 34 | AN15/RB15 — Analog input 15 / port B |
| Broche 35 | AVDD — Analog power supply |
| Broche 36 | AVSS — Analog ground |
| Broche 37 | RF12 — General purpose port F I/O |
| Broche 38 | RF13 — General purpose port F I/O |
| Broche 39 | VDD — Power supply |
| Broche 40 | RF0 — General purpose port F I/O |
| Broche 41 | RF1 — General purpose port F I/O |
| Broche 42 | VSS — Ground reference |
| Broche 43 | RC12 — General purpose port C I/O |
| Broche 44 | RC9 — General purpose port C I/O |
Applications typiques
DSPIC33FJ32GP104T-I/PT convient pour 6 applications: Industrial Control and Automation, Sensor Signal Processing and Digital Filtering, Embedded Communication Bridges and Protocol Converters, Portable and Battery-Powered Instruments, Audio and Voice Signal Processing, Test and Measurement Equipment.
Industrial Control and Automation
In factory automation nodes, the DSPIC33FJ32GP104T-I/PT executes real-time control loops at up to 16 MIPS while its UART and SPI ports link to drives, sensors and HMIs. The 32KB Flash holds control firmware plus protocol handling, and the -40C to +85C industrial rating matches panel-mounted electronics environments. Peripheral Pin Select lets engineers re-route UART and SPI pins in firmware when the board layout changes, cutting respin cost. Deterministic interrupts make scan cycles predictable - a quantified benefit for sequencer and interlock logic where timing jitter directly affects machine safety.
Recommandé
Sensor Signal Processing and Digital Filtering
The single-cycle MAC DSP engine of the dsPIC33FJ32GP104 makes it well suited to FIR/IIR filtering of ADC streams from pressure, load-cell and vibration sensors. At 16 MIPS, the core sustains sample rates typical of industrial sensing while the 2KB RAM buffers multiple filter taps and decimation stages. The general purpose (GP) peripheral set pairs converters with UART/SPI links that ship processed values upstream. Because filtering runs on-chip, system cost drops versus a separate MCU plus external DSP, and the 44-TQFP 10x10 mm footprint keeps mixed-signal analog and digital sections close on the PCB.
Recommandé
Embedded Communication Bridges and Protocol Converters
With I2C, SPI, UART/USART, IrDA and LINbus interfaces on one chip, the DSPIC33FJ32GP104T-I/PT acts as a protocol converter between field buses and host systems - for example translating LIN diagnostics to UART for service tools, or bridging I2C sensors to a plant RS-232 link. The 16 MIPS core sustains full-rate UART buffering while running protocol state machines, and PPS remapping assigns each interface to optimal board pins. The industrial temperature rating suits outdoor and cabinet installations, and 32KB Flash accommodates multiple protocol stacks with margin for firmware updates.
Recommandé
Portable and Battery-Powered Instruments
Handheld measurement tools benefit from the CMOS process and low-power modes of the dsPIC33FJ32GP104, which stretch battery life between charges while still providing 16 MIPS burst performance for waveform capture and math. The single-supply 3.3V operation simplifies power-tree design in portable enclosures, and the 44-TQFP surface-mount package fits compact PCBs. The DSP MAC engine performs windowed FFT and RMS computation on-device, so results display instantly without host assistance. Designers should budget the 2KB RAM carefully for capture buffers, or step to the 64KB Flash family sibling when longer records are needed.
Recommandé
Audio and Voice Signal Processing
General purpose dsPIC33F devices are widely used for speech-band processing such as echo cancellation, tone generation and audio filtering. At 16 MIPS with single-cycle MAC, the DSPIC33FJ32GP104 sustains multiple biquad sections and envelope detection at 8-16 kHz voice sample rates, while UART and SPI ports move audio data to codec chips. The 32KB Flash holds codec drivers plus the processing pipeline. This DSC integrates conversion and processing in one 44-TQFP chip, reducing BOM count versus MCU-plus-codec-DSP architectures and shortening signal path length for lower noise pickup on analog lines.
Recommandé
Test and Measurement Equipment
Bench instruments, dongle analyzers and data loggers use the dsPIC33FJ32GP104 to time-stamp events, drive front-panel interfaces and preprocess measurement channels at up to 16 MIPS. Its deterministic core supports precise interval timing for frequency and period measurement, while SPI and UART links report results to a display or PC host. The industrial -40C to +85C rating covers unconditioned lab and field environments. Using PPS, designers route capture and compare peripherals to convenient pins, and the MPLAB SNAP debugger supports in-circuit calibration firmware development on the same 44-TQFP production board.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33FJ32GP104T-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33FJ32GP104-I/PT | DSPIC33FJ32GP104T-E/PT | DSPIC33FJ16GP104-I/PT | DSPIC33FJ64GP104-I/PT | DSPIC33FJ32MC104-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS |
| Flash Program Memory | 32 KB (11K x 24) | 32 KB | 32 KB | 16 KB (-50%) | 64 KB (+100%) | 32 KB |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C | Extended / AEC-Q100 | -40C to +85C | -40C to +85C | -40C to +85C |
| Qualification | Industrial (not automotive) | Industrial | AEC-Q100 qualified | Industrial | Industrial | Industrial |
| Peripheral Family Focus | General Purpose (GP) | GP - identical | GP - identical | GP | GP | Motor Control (MC) PWM-focused |
| Packaging | Tape & Reel (T) | Tray / Tube | Tape & Reel (T) | Tray / Tube | Tray / Tube | Tray / Tube |
Principaux différenciateurs
- Identical die available in tray packaging (vs DSPIC33FJ32GP104-I/PT)
- AEC-Q100 upgrade path without redesign (vs DSPIC33FJ32GP104T-E/PT)
- 32KB Flash balances cost and capability (vs DSPIC33FJ16GP104-I/PT)
- Cost-down option exists at same footprint (vs DSPIC33FJ64GP104-I/PT)
Notes de conception
Per Microchip datasheet 70000652f, the metal pad at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. Include a VSS-tied pad in the 44-TQFP land pattern and thermal relief it to the ground plane. Also reserve the standard 5-pin ICSP header (MCLR, VDD, VSS, PGD pin 13, PGC pin 14) so the MPLAB SNAP programmer can reach the device in-circuit without desoldering.
Provide separate AVDD/AVSS filtering: pin 35 (AVDD) should receive a ferrite bead plus 0.1uF and 10uF decoupling from the digital VDD rail so ADC reference noise stays below converter resolution. Decouple each VDD pin (11, 12, 16, 26, 39) with 0.1uF ceramics placed within 2 mm of the pin. Estimated: 16 MIPS CMOS core activity on a 3.3V rail keeps current in the tens-of-mA class per typical family figures - verify exact ICC in the datasheet electrical specifications section for your supply budget.
Memory budgeting is the most common dsPIC33FJ32GP104 pitfall: 32KB (11K x 24) Flash fills quickly once protocol stacks, DSP filter coefficients and bootloader coexist. If your firmware roadmap exceeds roughly 24KB of code, design in the footprint-compatible 64KB variant now. Second, Peripheral Pin Select applies only to RPn pins - fixed-function analog pins (AN0-AN15) cannot be remapped, so lock analog channel assignments before routing. Finally, note the T suffix only denotes tape-and-reel, not any electrical difference.
Keep the OSC1/OSC2 crystal traces (pins 9-10) short - under 10 mm - with guard ground, and load capacitors per crystal specification. Because PPS allows high-speed SPI clock edges on many candidate pins, route SCK traces away from the AVDD/ANx analog group and consider series 22-33 ohm resistors on SPI clock lines to damp ringing. Segregate analog RB0-RB5 pin usage from fast digital toggling to protect ADC accuracy in mixed-signal sections of the 10x10 mm TQFP.
Informations de conformité
The -I/PT device itself is industrial grade, not AEC-Q100 qualified; the E-temperature variant DSPIC33FJ32GP104T-E/PT is AEC-Q100 qualified per Microchip USA. RoHS/REACH status was not stated in the provided web data - confirm on the Microchip product page.
