DSPIC33FJ64GP204-E/ML - 16-bit DSC 40MIPS 64KB Flash | Microchip
MPN： DSPIC33FJ64GP204-E/ML ✓ 啟用中DSPIC33FJ64GP204-E/ML 概覽
A digital signal controller merges the computational throughput of a DSP with the peripheral set, interrupt structure and ease of use of a microcontroller, sitting in the product hierarchy between a general-purpose MCU and a dedicated DSP. In a typical embedded system the DSC executes the real-time control loop, digital filters, and fast ADC sampling that a conventional 8-bit MCU cannot sustain, while still running application logic, communication stacks, and state machines in C.
Key features of this part include the 40 MIPS 16-bit modified Harvard architecture core, 8-channel DMA for offloading data movement, five 16-bit timers, and advanced analog peripherals. Extended-temperature qualification makes it suitable for harsh industrial environments. Supply voltage spans 3.0V to 3.6V.
Architecturally, the dsPIC33F family is designed to execute digital filter algorithms and high-speed precision digital control loops efficiently, with DSP multiply-accumulate instructions and dual operand fetch sustaining single-cycle MAC throughput. The 21 I/O pins are shared with peripherals, and up to 8 DMA channels transfer ADC results, UART, SPI and other data without CPU intervention.
Typical applications include digital power supplies and power factor correction, motor control (BLDC, PMSM, AC induction), sensor signal processing, and industrial automation requiring real-time loop closure at multi-kilohertz rates.
When designing with this part, budget the 3.0-3.6V rail carefully, use the exposed pad for ground and thermal relief, and verify peripheral pin assignments on the 44-QFN since the 21 I/O are heavily multiplexed. Debug via ICSP/ICD using the standard Microchip header.
This page synthesizes distributor pricing, drop-in same-family alternatives, practical design notes, and comparison data not consolidated in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33FJ64GP204-E/ML — 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： DSPIC33FJ64GP204-E/ML （相同外形與佔位） — 差異在於 Operating Temperature, DMA Channels, Package, I/O Ports, Max CPU Speed.
DSPIC33FJ64GP204-I/ML
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33FJ64GP204-H/ML
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33FJ128GP204-I/ML
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33FJ32GP204-I/ML
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33FJ64MC204-I/ML
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ64GP204-E/ML 最大額定值與電氣特性
| Core | dsPIC33F 16-bit DSC |
| Max CPU Speed | 40 MIPS |
| Program Memory Size | 64KB (64K x 8) Flash |
| RAM Size | 16KB (8192 words) |
| Supply Voltage Range | 3 V to 3.6 V |
| I/O Ports | 21 |
| DMA Channels | 8 |
| Timers | 5 x 16-bit |
| Package Type | 44-QFN (8x8 mm), lead-free plastic, exposed pad |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40C to +125C (Extended, E-grade) |
| Life Cycle Stage | Active |
| 資料匯流排寬度 | 16 bit |
| Max Clock Frequency | 40 MHz |
| ROM Type | Flash |
| RoHS 狀態 | Compliant (lead-free package) |
| Series | dsPIC33FJ64GPX04 (General Purpose) |
DSPIC33FJ64GP204-E/ML 44-qfn (8x8 mm), lead-free plastic, exposed pad 腳位配置指南
DSPIC33FJ64GP204-E/ML（44-qfn (8x8 mm), lead-free plastic, exposed pad 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： DSPIC33FJ64GP204-E/ML.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33FJ64GP204-E/ML 適用於 6 應用s: Digital Power Supplies and PFC, Motor Control (BLDC / PMSM / AC Induction), Sensor Signal Processing, Industrial Automation and Control, Audio and Speech Processing, Embedded Systems Education and Prototyping.
Digital Power Supplies and PFC
The DSPIC33FJ64GP204-E/ML fits digital power supply control because its 40 MIPS core executes single-cycle DSP multiply-accumulate instructions, sustaining PI/PID compensation loops at tens of kilohertz switching frequencies. The 8-channel DMA transfers ADC conversion results to RAM without CPU intervention, guaranteeing deterministic loop latency. The extended -40C to +125C operating range tolerates the elevated ambient temperatures near power stages that commercial-grade MCUs cannot survive. Placed as the supervisory controller between the voltage-feedback ADC and the PWM gate drivers, the DSC closes the current- and voltage-mode loops entirely in software, eliminating analog compensation networks and enabling firmware-adjustable gain scheduling, soft-start, and fault handling across AC-DC and DC-DC converter topologies.
推薦
Motor Control (BLDC / PMSM / AC Induction)
For motor control, the DSPIC33FJ64GP204-E/ML provides the computational headroom for field-oriented control (FOC): the 40 MIPS 16-bit core with DSP MAC instructions executes the Clarke/Park transforms and current-loop compensation within a single PWM period. Its 21 multiplexed I/O and five 16-bit timers drive complementary or independent PWM outputs with dead-time control, while the 8 DMA channels stream current-sense ADC samples at fixed sampling instants. The pin-compatible DSPIC33FJ64MC204 variant offers a motor-control peripheral emphasis if the design later migrates. The -40C to +125C E-grade rating suits industrial drives, HVAC blowers, and pump applications where the controller sits close to the inverter heat source and ambient temperatures routinely exceed +85C.
推薦
Sensor Signal Processing
In sensor signal chains, the DSPIC33FJ64GP204-E/ML applies the performance of a DSP to the simplicity of an MCU: 40 MIPS throughput executes FIR and IIR digital filters, FFT windows, and RMS/peak detection routines on sampled sensor data in real time. The 8-channel DMA moves conversion results off the data bus without CPU stalls, and 16KB of SRAM buffers multiple sample windows for block-based processing. General-purpose peripherals (UART, SPI, I2C) forward processed results to host systems. The extended temperature rating supports industrial sensors mounted outdoors or on machinery, and 64KB of Flash accommodates both calibration routines, compensation tables, and a communication bootloader alongside the main filtering application.
推薦
Industrial Automation and Control
Industrial control systems use the DSPIC33FJ64GP204-E/ML as a real-time node executing precision digital control loops under pressure, exactly the workload Microchip designed the dsPIC33F family for. The 40 MIPS core handles deterministic interrupt servicing for encoder counting, limit-switch monitoring, and sequenced I/O, while communication peripherals link to PLC backbones. The 3.0V to 3.6V supply rail integrates cleanly into industrial 3.3V logic domains, and the -40C to +125C E-grade survives panel enclosures with poor airflow. In a typical deployment the DSC closes local control loops at kilohertz rates while reporting status over UART or SPI to a supervisory controller, combining DSP-grade loop performance with MCU-grade flexibility in a single 44-QFN device.
推薦
Audio and Speech Processing
The general-purpose (GP) peripherals of the DSPIC33FJ64GP204-E/ML suit audio and speech front-ends: the 40 MIPS DSP engine performs sample-rate conversion, echo cancellation filters, and codec-side gain control, while serial audio interfaces move I2S-style streams. The 64KB Flash holds algorithm plus parameter tables, and 16KB SRAM buffers audio frames with headroom for double buffering via DMA. Embedded voice interfaces, intercom systems, and industrial audio annunciators benefit from the extended -40C to +125C rating, which exceeds what consumer audio MCUs tolerate in outdoor or vehicle-adjacent installations. Because the DSC integrates ADC, DMA, and communication on one die, the bill of materials for a compact speech-processing node stays small and single-sourced.
推薦
Embedded Systems Education and Prototyping
The DSPIC33FJ64GP204-E/ML is a practical teaching and prototyping device: it is supported by the Microchip Explorer 16/32 Development Board through Plug-In Modules (PIMs), giving students and engineers a low-cost modular path from blinking LEDs to 40 MIPS DSP filter laboratories. The 16-bit architecture demonstrates Harvard DSC concepts without proprietary DSP toolchain complexity, and free Microchip compilers target the family directly. ICSP/ICD debugging over the standard header requires only a low-cost programmer, and the 44-QFN package can be evaluated via QFN adapter boards before committing to a production footprint. Firmware written for this part migrates upward across the dsPIC33F family (32KB to 128KB variants) with minimal changes, protecting course and prototype investment.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33FJ64GP204-E/ML — 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 | DSPIC33FJ64GP204-I/ML | DSPIC33FJ128GP204-I/ML | DSPIC33FJ64MC204-I/ML |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 64 KB | 64 KB | 128 KB | 64 KB |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| DMA Channels | 8 | 8 | 8 | 8 |
| Peripheral Emphasis | General Purpose (GP) | General Purpose (GP) | General Purpose (GP) | Motor Control (MC) |
主要差異化特點
- Extended temperature rating for harsh environments (對比DSPIC33FJ64GP204-I/ML)
- Same footprint with double Flash upgrade path (對比DSPIC33FJ128GP204-I/ML)
- General Purpose analog/peripheral emphasis (對比DSPIC33FJ64MC204-I/ML)
設計說明
The 44-QFN (8x8 mm) package has an exposed pad that must be soldered to a ground pour with an array of thermal vias (typically 5x5 via grid at 1 mm pitch, per standard Microchip QFN layout guidelines). This pad is the primary ground return and heat dissipation path; perimeter pins alone are unreliable for grounding at 40 MIPS switching currents. Use a solder-mask-defined aperture on the PCB footprint and inspect for voiding via X-ray on first-article builds.
Supply the device from a clean 3.0V to 3.6V rail. Decouple each VDD/VSS pin pair with 0.1 uF ceramics placed within 2 mm of the pins, plus bulk capacitance near the exposed pad. dsPIC33F devices are sensitive to supply droop during Flash write operations, so budget regulator headroom above the worst-case active current at 40 MIPS. Add a ferrite bead between the analog and digital supply islands if ADC accuracy matters in the application.
The 21 I/O pins are heavily multiplexed with peripherals; confirm the final pin mapping against the family datasheet pin diagrams before routing, because changing one peripheral assignment in firmware can silently re-map pins. Temperature-grade ordering errors are another common pitfall: the -E/ML (extended, +125C) and -I/ML (industrial, +85C) suffixes look similar but are not interchangeable in hot enclosures. Verify the exact suffix on incoming reel and tray labels.
合規資訊
Package described in digchip specification summary as 'lead free, plastic, QFN-44'. REACH, halogen-free, and conflict minerals status not stated in provided data.
