DSPIC33FJ128GP710T-I/PT - 16-bit DSC 40 MIPS 128KB | Microchip
MPN: DSPIC33FJ128GP710T-I/PT ✓ Hoạt độngDSPIC33FJ128GP710T-I/PT Tóm tắt
A digital signal controller combines the computational architecture of a digital signal processor with the peripherals and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, a DSC sits between a general-purpose MCU and a dedicated DSP, offering a 16-bit modified Harvard architecture, DSP multiply-accumulate instructions, and microcontroller-style peripherals in a single device. The dsPIC33F family from Microchip Technology is one of the most widely deployed 16-bit DSC families for industrial and motor-control designs.
Key features of this part include the 16-bit dsPIC33F RISC core operating at up to 40 MIPS, 128KB (128K x 8) of Flash program memory, and the General Purpose (GP) peripheral variant with audio-oriented interfaces. The GP series adds codec interfaces and extensive analog integration, including a high-speed 12-bit ADC and comparators, making it distinct from the Motor Control (MC) variants in the same family.
Architecturally, the dsPIC33F core pairs a 16-bit datapath with two 40-bit accumulators, single-cycle MAC, and hardware division support, allowing C-compiler-friendly DSP algorithms such as FIR/IIR filtering and FFTs to run deterministically. Flash endurance is specified at a minimum of 100 erase/write cycles, so developers should use data EEPROM emulation carefully during long development cycles, as noted by third-party programming-tool documentation.
Typical applications include digital power supplies, industrial automation and sensing, audio processing and speech applications, and general-purpose embedded control where 16-bit precision and DSP throughput are required. The 100-pin TQFP provides generous GPIO and peripheral pin counts for designs needing multiple communication ports and analog channels.
A key design consideration is power supply quality: the device requires a 3.0-3.6V rail with 0.1 uF ceramic decoupling on each VDD/VSS pair, and the MCLR pin should include an RC network per the datasheet recommended minimum connection diagram.
This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ128GP710T-I/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với DSPIC33FJ128GP710T-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Core, Operating Temperature, Series, Supply Voltage.
DSPIC33FJ128GP710-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ128GP710T-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ256GP710T-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ64GP710T-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ128GP710AT-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ128GP710T-I/PT Tỷ lệ tối đa & tính chất điện
| Core | 16-bit dsPIC33F RISC |
| Max CPU Speed | 40 MIPS (at 3.0-3.6V) |
| Program Memory | 128KB (128K x 8) Flash |
| Điện áp cung cấp | 3.0 V to 3.6 V |
| Series | dsPIC 33F (GP - General Purpose) |
| Hộp | 100-TQFP (12x12 mm) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Flash Endurance | 100 erase/write cycles (minimum) |
| Programming Interface | ICSP (In-Circuit Serial Programming), 2-wire |
| Debug Support | In-circuit debugging (MPLAB SNAP / ICD) |
| Packaging | Tape & Reel (T suffix) |
| Trạng thái RoHS | Lead free / RoHS Compliant |
| Product Type | Digital Signal Controller (DSC) |
Hướng dẫn cấu hình chân DSPIC33FJ128GP710T-I/PT 100-tqfp (12x12 mm)
Cấu hình chân cho DSPIC33FJ128GP710T-I/PT (100-tqfp (12x12 mm) gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho DSPIC33FJ128GP710T-I/PT.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
DSPIC33FJ128GP710T-I/PT phù hợp cho 6 Áp dụngs: Digital Power Supplies, Industrial Automation and Sensing, Audio Processing and Speech Systems, Motor Control Auxiliary and Supervision, Instrumentation and Data Acquisition, General Purpose Embedded Control.
Digital Power Supplies
The DSPIC33FJ128GP710T-I/PT is well suited to digitally controlled AC/DC and DC/DC power supplies because its 16-bit dsPIC33F core executes control-loop compensation at up to 40 MIPS with deterministic single-cycle MAC instructions, enabling switching frequencies in the hundreds of kHz with PID or 2p2z compensators. The GP variant's high-speed ADC samples voltage and current feedback, and the 128KB Flash holds multiple control laws plus communications firmware. Unlike analog controllers, firmware-based control allows adaptive mode switching, soft-start profiles, and telemetry over UART or SPI. The trade-off versus a dedicated analog PWM controller is firmware development effort and loop-latency budgeting - the ADC sample-to-PWM-update path must fit within the switching period.
Được đề xuất
Industrial Automation and Sensing
In factory automation nodes - sensor transmitters, actuator controllers, and PLC I/O modules - the DSPIC33FJ128GP710T-I/PT combines a -40C to +85C industrial temperature rating with 85-plus I/O pins on the 100-pin TQFP, allowing multiple UART, SPI, and I2C ports plus a rich analog front end on one chip. The 40 MIPS core runs filtering and diagnostic code alongside the protocol stack, and the 128KB Flash leaves headroom for field-updatable firmware. Its ICSP 2-wire interface permits in-field reprogramming through a service connector. Designers should budget flash endurance (minimum 100 erase/write cycles specified) when implementing frequent parameter logging in Flash, preferring external EEPROM for wear-intensive data.
Được đề xuất
Audio Processing and Speech Systems
The GP (General Purpose) variant of the dsPIC33FJ family adds codec interfaces specifically targeting audio and speech applications, making the DSPIC33FJ128GP710T-I/PT a fit for voice-band processing, intercoms, and effects units. The 40 MIPS core sustains multiple concurrent FIR/IIR filter banks or an FFT-based spectrum analyzer, while the hardware MAC keeps cycle counts predictable for real-time audio paths. The 128KB Flash accommodates codec libraries, echo cancellation, and a small UI. Compared with a dedicated audio DSP, the dsPIC33F integrates system control, communications, and GPIO in one device, reducing BOM count; the trade-off is a lower total MIPS ceiling than premium audio DSPs, so keep algorithm complexity within the 40 MIPS budget.
Được đề xuất
Motor Control Auxiliary and Supervision
Although the MC variants of dsPIC33F are dedicated motor controllers, the DSPIC33FJ128GP710T-I/PT excels as the supervisory DSC in multi-chip motor-drive systems: it runs the user interface, fieldbus communication (UART/SPI/CAN-class protocols), and safety monitoring while MC-class parts handle the PWM loops. The 100-pin TQFP provides enough I/O to supervise multiple drives, read encoders or Hall sensors through its ADC and digital ports, and manage fault latching with deterministic 40 MIPS response. The industrial temperature rating covers typical drive-environment ambient conditions. Place it on a clean 3.3V rail with local 0.1 uF decoupling, and route PWM inverter feedback away from its analog inputs to preserve ADC accuracy in the noisy drive chassis.
Được đề xuất
Instrumentation and Data Acquisition
Bench instruments, dataloggers, and condition-monitoring nodes benefit from the DSPIC33FJ128GP710T-I/PT's combination of a 12-bit-class ADC front end, DSP filtering instructions, and abundant communication ports. The 40 MIPS core can decimate and window sample streams before passing reduced datasets over UART or SPI to a host, minimizing link bandwidth. The 128KB Flash stores calibration tables, multiple configuration profiles, and logging buffers. Because the flash endurance is specified at a minimum of 100 erase/write cycles, route frequent event logs to external EEPROM or FRAM and reserve on-chip Flash for firmware. The 100-pin TQFP simplifies routing a dense analog front end with a solid ground plane under the device.
Được đề xuất
General Purpose Embedded Control
For general embedded products - lighting controllers, HVAC boards, chargers, and human-machine interfaces - the DSPIC33FJ128GP710T-I/PT offers a single-chip solution: 16-bit 40 MIPS core, ample GPIO on the 100-pin TQFP, multiple serial ports, and analog inputs, all within a 3.0-3.6V rail typical of modern designs. The mature dsPIC33F toolchain (MPLAB X with free compilers and Explorer 16/32 development board support) shortens time to market, and the ICSP two-pin interface enables low-cost production programming. Compared with an 8-bit PIC18, the 16-bit core and DSP instructions handle math-heavy control code more efficiently; compared with a 32-bit MCU, it offers lower peripheral complexity and deterministic execution for hard real-time loops.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ128GP710T-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | DSPIC33FJ128GP710-I/PT | DSPIC33FJ128GP710T-E/PT | DSPIC33FJ256GP710T-I/PT | DSPIC33FJ64GP710T-I/PT |
|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS |
| Program Flash | 128 KB | 128 KB | 128 KB | 256 KB | 64 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Packaging | Tape & Reel (T) | Tray | Tape & Reel (T) | Tape & Reel (T) | Tape & Reel (T) |
| 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 |
| RoHS / Lead Free | Compliant / Yes | Compliant / Yes | Compliant / Yes | Compliant / Yes | Compliant / Yes |
Bảo phân biệt quan trọng
- 2x program memory in the same footprint (vsDSPIC33FJ64GP710T-I/PT)
- Extended-temperature sibling available (vsDSPIC33FJ128GP710T-E/PT)
- Identical silicon in tray packaging (vsDSPIC33FJ128GP710-I/PT)
Ghi chú thiết kế
The dsPIC33FJ requires a 3.0-3.6V regulated rail. Per the datasheet recommended minimum connection diagram (Figure 2-1), fit a 0.1 uF ceramic capacitor on every VDD/VSS pin pair, placed within 2-3 mm of the pins, plus bulk capacitance (10 uF) near the device. The MCLR pin needs a pull-up (10k ohm) and the datasheet shows an RC network with a series resistor for robust ICSP operation. Power the analog supply (AVDD) through an RC filter or ferrite from the digital rail to preserve ADC accuracy.
The dsPIC33FJ family flash endurance is specified at a minimum of only 100 erase/write cycles - it is easy to wear the flash out during development, as documented by third-party programming-tool vendors (e.g., NSDSP support notes). Avoid repeatedly re-flashing during debug where possible and use an ICD/SNAP debug session instead of full reprogramming. In production, do not use main Flash for frequently updated parameter storage; use external EEPROM or implement EEPROM emulation with wear leveling across large Flash sectors.
The 100-pin TQFP has 0.5 mm pin pitch; use a solder-mask-defined footprint per IPC-7351 conventions and route the analog port (PORTB / AN0-AN15) traces away from switching nodes and crystal lines. Keep the oscillator traces short with guard ground. The exposed center area under the TQFP should be a via-stitched ground region - the TQFP has no exposed pad, so thermal relief is through the perimeter leads; a solid internal ground plane under the device is recommended for signal integrity at 40 MIPS operation.
Thông tin tuân thủ
Lead free / RoHS Compliant per distributor datasheet records (micro-semiconductor.com). REACH, halogen-free, and conflict-minerals status not stated in retrieved data - verify with Microchip environmental compliance documentation.
