DSPIC33FJ32GP102-E/SS - 16-Bit 16 MIPS DSC 32KB Flash | Microchip
MPN： DSPIC33FJ32GP102-E/SS ✓ 啟用中DSPIC33FJ32GP102-E/SS 概覽
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.
直接替換替代品，適用於 DSPIC33FJ32GP102-E/SS — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DSPIC33FJ32GP102-E/SS （相同外形與佔位） — 差異在於 Package, Operating Temperature, ADC, Program Memory (Flash), RoHS Status.
DSPIC33FJ32GP202-E/SS
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33FJ32MC102-E/SS
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33FJ16GP102-E/SS
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33FJ16GP102-I/SS
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33FJ16GP102T-I/SS
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33FJ12MC202-I/SS
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33FJ32GP102-E/SS 最大額定值與電氣特性
| 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) |
| 封裝 | 28-SSOP |
| Lead Pitch | 0.65 mm |
| 安裝類型 | Surface Mount |
| 工作溫度 | -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 狀態 | Lead free / RoHS Compliant |
| 生命週期狀態 | In Production |
DSPIC33FJ32GP102-E/SS 28-ssop 腳位配置指南
DSPIC33FJ32GP102-E/SS（28-ssop 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： DSPIC33FJ32GP102-E/SS.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33FJ32GP102-E/SS 適用於 6 應用s: 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.
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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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
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推薦產品摘要
工程參考資料，適用於 DSPIC33FJ32GP102-E/SS — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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 |
主要差異化特點
- Maximum FLASH in the 28-SSOP GP sub-family (對比DSPIC33FJ16GP102-E/SS)
- Extended temperature grade in a drop-in footprint (對比DSPIC33FJ12MC202-I/SS)
- General-purpose peripheral set vs motor-control oriented set (對比DSPIC33FJ32MC102-E/SS)
設計說明
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.
合規資訊
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.
